{"id":1595798,"slug":"eta-cas-b","name":"* eta Cas B","domain":"deep-sky","class":"star","otype":"PM*","otype_label":"HighPM*","ra":12.271632750996249,"dec":57.81782624126639,"coo_err_mas":0.0126,"coo_bibcode":"2020yCat.1350....0G","plx_mas":168.7186,"pmra":1144.693,"pmdec":-469.668,"rv_kms":8.6837,"redshift":2.8966126e-05,"dist_pc":null,"vmag":7.51,"bmag":8.9,"gmag":6.762044,"jmag":null,"kmag":3.881,"sp_type":"K7Ve","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":137,"simbad_oid":106493,"gaia_dr3":425040000962497792,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-08T07:15:00.898819+00:00","views":5,"first_seen":"2026-08-14T16:49:53.050273+00:00","updated_at":"2026-08-16T03:44:01.231316+00:00","identifiers":["2MASS J00490516+5749037","8pc 167.99B","ADS 671 B","AP J00490516+5749037","ASCC 159210","BD+57 150B","CCDM J00491+5749B","CNS5 238","CSI+57 150 9","* eta Cas B","Gaia DR2 425040000959067008","Gaia DR3 425040000962497792","GCRV 448","GEN# +1.00004614B","GJ 34 B","HD 4614B","Karmn J00490+578","LFT 75","LHS 122","LSPM J0049+5749","LTT 10288","NLTT 2689","[RHG95] 156","ROT 3535","** STF 60B","TIC 445258198","TYC 3663-2669-2","USNO-B1.0 1478-00036287","WDS J00491+5749B","WEB 678","Zkh 16"],"measurements":[{"parameter":"distance","value":5.927,"value_text":null,"unit":"pc","err_plus":0.0007,"err_minus":-0.0007,"band":null,"method":"paral","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"distance","value":5.9259,"value_text":null,"unit":"pc","err_plus":0.0013,"err_minus":-0.0013,"band":null,"method":"paral","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"effective_temperature","value":5921.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"effective_temperature","value":5755.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022AJ....163..152S","ref_year":2022},{"parameter":"effective_temperature","value":5849.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"effective_temperature","value":4169.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2021ApJS..255....8R","ref_year":2021},{"parameter":"effective_temperature","value":6034.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020AJ....160..120J","ref_year":2020},{"parameter":"effective_temperature","value":3968.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020ApJ...892...31B","ref_year":2020},{"parameter":"effective_temperature","value":5865.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2019ApJ...879...69T","ref_year":2019},{"parameter":"magnitude","value":6.762044,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"G","method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"magnitude","value":6.762044,"value_text":null,"unit":"mag","err_plus":0.002764,"err_minus":0.002764,"band":"G","method":"V","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"magnitude","value":4.147,"value_text":null,"unit":"mag","err_plus":0.036,"err_minus":0.036,"band":"H","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":6.9,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"R","method":"V","source":"simbad","reference":"2003AJ....125..984M","ref_year":2003},{"parameter":"magnitude","value":3.881,"value_text":null,"unit":"mag","err_plus":0.49,"err_minus":0.49,"band":"K","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":7.51,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"V","method":null,"source":"simbad","reference":null,"ref_year":null},{"parameter":"magnitude","value":8.9,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"B","method":null,"source":"simbad","reference":null,"ref_year":null},{"parameter":"metallicity","value":-0.2085,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"metallicity","value":-0.1798,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"metallicity","value":-0.598,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022AJ....163..152S","ref_year":2022},{"parameter":"metallicity","value":-0.213,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2021ApJS..255....8R","ref_year":2021},{"parameter":"metallicity","value":-0.33,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020ApJ...892...31B","ref_year":2020},{"parameter":"metallicity","value":-0.138,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020AJ....160..120J","ref_year":2020},{"parameter":"metallicity","value":-0.277,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2019ApJ...879...69T","ref_year":2019},{"parameter":"metallicity","value":-0.08,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2005A&A...442..635B","ref_year":2005},{"parameter":"parallax","value":168.71856118825883,"value_text":null,"unit":"mas","err_plus":0.021581342,"err_minus":0.021581342,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"parallax","value":168.7186,"value_text":null,"unit":"mas","err_plus":0.0216,"err_minus":0.0216,"band":null,"method":null,"source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"parallax","value":168.7521,"value_text":null,"unit":"mas","err_plus":0.0377,"err_minus":0.0377,"band":null,"method":null,"source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_dec","value":-469.66761852950583,"value_text":null,"unit":"mas/yr","err_plus":0.019459886,"err_minus":0.019459886,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_dec","value":-469.668,"value_text":null,"unit":"mas/yr","err_plus":0.019,"err_minus":0.019,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_dec","value":-469.382,"value_text":null,"unit":"mas/yr","err_plus":0.048,"err_minus":0.048,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_dec","value":-493.0,"value_text":null,"unit":"mas/yr","err_plus":null,"err_minus":null,"band":null,"method":"ICRS","source":"simbad","reference":"2005AJ....129.1483L","ref_year":2005},{"parameter":"pm_dec","value":-577.0,"value_text":null,"unit":"mas/yr","err_plus":100.0,"err_minus":100.0,"band":null,"method":"ICRS","source":"simbad","reference":"2002ApJS..141..187B","ref_year":2002},{"parameter":"pm_dec","value":-527.0,"value_text":null,"unit":"mas/yr","err_plus":null,"err_minus":null,"band":null,"method":"FK4","source":"simbad","reference":"1976LHS...C......0L","ref_year":1976},{"parameter":"pm_ra","value":1144.6933944408322,"value_text":null,"unit":"mas/yr","err_plus":0.018388271,"err_minus":0.018388271,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_ra","value":1144.693,"value_text":null,"unit":"mas/yr","err_plus":0.018,"err_minus":0.018,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_ra","value":1144.574,"value_text":null,"unit":"mas/yr","err_plus":0.052,"err_minus":0.052,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_ra","value":1105.0,"value_text":null,"unit":"mas/yr","err_plus":null,"err_minus":null,"band":null,"method":"ICRS","source":"simbad","reference":"2005AJ....129.1483L","ref_year":2005},{"parameter":"pm_ra","value":1232.0,"value_text":null,"unit":"mas/yr","err_plus":100.0,"err_minus":100.0,"band":null,"method":"ICRS","source":"simbad","reference":"2002ApJS..141..187B","ref_year":2002},{"parameter":"pm_ra","value":1099.0,"value_text":null,"unit":"mas/yr","err_plus":null,"err_minus":null,"band":null,"method":"FK4","source":"simbad","reference":"1976LHS...C......0L","ref_year":1976},{"parameter":"radial_velocity","value":10.332795,"value_text":null,"unit":"km/s","err_plus":0.11883571,"err_minus":0.11883571,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"radial_velocity","value":8.6837,"value_text":null,"unit":"km/s","err_plus":0.1,"err_minus":0.1,"band":null,"method":"v","source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"radial_velocity","value":8.9265,"value_text":null,"unit":"km/s","err_plus":0.045,"err_minus":0.045,"band":null,"method":"v","source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"radial_velocity","value":9.25951,"value_text":null,"unit":"km/s","err_plus":0.13583,"err_minus":0.13583,"band":null,"method":"v","source":"simbad","reference":"2020AJ....160..120J","ref_year":2020},{"parameter":"radial_velocity","value":10.45,"value_text":null,"unit":"km/s","err_plus":0.14,"err_minus":0.14,"band":null,"method":"v","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"radial_velocity","value":11.0,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"1995A&AS..114..269D","ref_year":1995},{"parameter":"radial_velocity","value":11.0,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"1979IAUS...30...57E","ref_year":1979},{"parameter":"radial_velocity","value":12.8,"value_text":null,"unit":"km/s","err_plus":2.0,"err_minus":2.0,"band":null,"method":"v","source":"simbad","reference":"1953GCRV..C......0W","ref_year":1953},{"parameter":"radial_velocity","value":13.399999618530273,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"1923ApJ....57..149A","ref_year":1923},{"parameter":"ruwe","value":1.0389044,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"sed_flux","value":5.96,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/MNRAS/549/G838/tablec2","source":"vizier","reference":"J/MNRAS/549/G838/tablec2","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"2MASS:H","method":"J/AJ/167/139/t_hpic","source":"vizier","reference":"J/AJ/167/139/t_hpic","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"J/AJ/167/139/t_hpic","source":"vizier","reference":"J/AJ/167/139/t_hpic","ref_year":null},{"parameter":"sed_flux","value":10.7,"value_text":null,"unit":"Jy","err_plus":0.1,"err_minus":0.1,"band":"TESS/TESS:Red","method":"J/AJ/167/139/t_hpic","source":"vizier","reference":"J/AJ/167/139/t_hpic","ref_year":null},{"parameter":"sed_flux","value":5.95,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":"Gaia:G","method":"J/AJ/167/139/t_hpic","source":"vizier","reference":"J/AJ/167/139/t_hpic","ref_year":null},{"parameter":"sed_flux","value":5.35,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:R","method":"J/AJ/167/139/t_hpic","source":"vizier","reference":"J/AJ/167/139/t_hpic","ref_year":null},{"parameter":"sed_flux","value":3.61,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/AJ/167/139/t_hpic","source":"vizier","reference":"J/AJ/167/139/t_hpic","ref_year":null},{"parameter":"sed_flux","value":1.17,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:B","method":"J/AJ/167/139/t_hpic","source":"vizier","reference":"J/AJ/167/139/t_hpic","ref_year":null},{"parameter":"sed_flux","value":18.9,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"J/PASP/122/885/table1","source":"vizier","reference":"J/PASP/122/885/table1","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"J/PASP/122/885/table1","source":"vizier","reference":"J/PASP/122/885/table1","ref_year":null},{"parameter":"sed_flux","value":3.61,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/PASP/137/J4402/list2025","source":"vizier","reference":"J/PASP/137/J4402/list2025","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"J/MNRAS/479/1332/tableb1","source":"vizier","reference":"J/MNRAS/479/1332/tableb1","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"2MASS:H","method":"J/MNRAS/540/1786/gr8stars","source":"vizier","reference":"J/MNRAS/540/1786/gr8stars","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"J/MNRAS/540/1786/gr8stars","source":"vizier","reference":"J/MNRAS/540/1786/gr8stars","ref_year":null},{"parameter":"sed_flux","value":5.95,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/MNRAS/540/1786/gr8stars","source":"vizier","reference":"J/MNRAS/540/1786/gr8stars","ref_year":null},{"parameter":"sed_flux","value":4.28,"value_text":null,"unit":"Jy","err_plus":0.18,"err_minus":0.18,"band":"Johnson:V","method":"J/MNRAS/540/1786/gr8stars","source":"vizier","reference":"J/MNRAS/540/1786/gr8stars","ref_year":null},{"parameter":"sed_flux","value":395.0,"value_text":null,"unit":"Jy","err_plus":105.0,"err_minus":105.0,"band":"Johnson:B","method":"J/MNRAS/540/1786/gr8stars","source":"vizier","reference":"J/MNRAS/540/1786/gr8stars","ref_year":null},{"parameter":"sed_flux","value":150.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"I/239/hip_main","source":"vizier","reference":"I/239/hip_main","ref_year":null},{"parameter":"sed_flux","value":147.0,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:VT","method":"I/239/hip_main","source":"vizier","reference":"I/239/hip_main","ref_year":null},{"parameter":"sed_flux","value":85.6,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"HIP:BT","method":"I/239/hip_main","source":"vizier","reference":"I/239/hip_main","ref_year":null},{"parameter":"sed_flux","value":138.0,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:Hp","method":"I/239/hip_main","source":"vizier","reference":"I/239/hip_main","ref_year":null},{"parameter":"sed_flux","value":147.0,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:VT","method":"I/239/h_dm_com","source":"vizier","reference":"I/239/h_dm_com","ref_year":null},{"parameter":"sed_flux","value":85.6,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"HIP:BT","method":"I/239/h_dm_com","source":"vizier","reference":"I/239/h_dm_com","ref_year":null},{"parameter":"sed_flux","value":138.0,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:Hp","method":"I/239/h_dm_com","source":"vizier","reference":"I/239/h_dm_com","ref_year":null},{"parameter":"sed_flux","value":150.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"I/239/tyc_main","source":"vizier","reference":"I/239/tyc_main","ref_year":null},{"parameter":"sed_flux","value":147.0,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:VT","method":"I/239/tyc_main","source":"vizier","reference":"I/239/tyc_main","ref_year":null},{"parameter":"sed_flux","value":85.6,"value_text":null,"unit":"Jy","err_plus":0.2,"err_minus":0.2,"band":"HIP:BT","method":"I/239/tyc_main","source":"vizier","reference":"I/239/tyc_main","ref_year":null},{"parameter":"sed_flux","value":147.0,"value_text":null,"unit":"Jy","err_plus":1.0,"err_minus":1.0,"band":"HIP:VT","method":"I/276/catalog","source":"vizier","reference":"I/276/catalog","ref_year":null},{"parameter":"sed_flux","value":87.1,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"HIP:BT","method":"I/276/catalog","source":"vizier","reference":"I/276/catalog","ref_year":null},{"parameter":"sed_flux","value":108.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"I/280B/ascc","source":"vizier","reference":"I/280B/ascc","ref_year":null},{"parameter":"sed_flux","value":154.0,"value_text":null,"unit":"Jy","err_plus":74.0,"err_minus":74.0,"band":"2MASS:H","method":"I/280B/ascc","source":"vizier","reference":"I/280B/ascc","ref_year":null},{"parameter":"sed_flux","value":226.0,"value_text":null,"unit":"Jy","err_plus":124.0,"err_minus":124.0,"band":"2MASS:J","method":"I/280B/ascc","source":"vizier","reference":"I/280B/ascc","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"I/294A/ucac2bss","source":"vizier","reference":"I/294A/ucac2bss","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"I/294A/ucac2bss","source":"vizier","reference":"I/294A/ucac2bss","ref_year":null},{"parameter":"sed_flux","value":4.24,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:Hp","method":"I/294A/ucac2bss","source":"vizier","reference":"I/294A/ucac2bss","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"I/297/out","source":"vizier","reference":"I/297/out","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"I/297/out","source":"vizier","reference":"I/297/out","ref_year":null},{"parameter":"sed_flux","value":1.17,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:B","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":138.0,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HIP:Hp","method":"I/311/hip2","source":"vizier","reference":"I/311/hip2","ref_year":null},{"parameter":"sed_flux","value":18.9,"value_text":null,"unit":"Jy","err_plus":8.8,"err_minus":8.8,"band":"2MASS:Ks","method":"I/322A/out","source":"vizier","reference":"I/322A/out","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"2MASS:H","method":"I/322A/out","source":"vizier","reference":"I/322A/out","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":2.24,"err_minus":2.24,"band":"2MASS:J","method":"I/322A/out","source":"vizier","reference":"I/322A/out","ref_year":null},{"parameter":"sed_flux","value":154.0,"value_text":null,"unit":"Jy","err_plus":74.0,"err_minus":74.0,"band":"2MASS:H","method":"I/345/rvstdcat","source":"vizier","reference":"I/345/rvstdcat","ref_year":null},{"parameter":"sed_flux","value":226.0,"value_text":null,"unit":"Jy","err_plus":124.0,"err_minus":124.0,"band":"2MASS:J","method":"I/345/rvstdcat","source":"vizier","reference":"I/345/rvstdcat","ref_year":null},{"parameter":"sed_flux","value":147.0,"value_text":null,"unit":"Jy","err_plus":1.0,"err_minus":1.0,"band":"HIP:VT","method":"I/350/tyc2tdsc","source":"vizier","reference":"I/350/tyc2tdsc","ref_year":null},{"parameter":"sed_flux","value":86.9,"value_text":null,"unit":"Jy","err_plus":1.1,"err_minus":1.1,"band":"HIP:BT","method":"I/350/tyc2tdsc","source":"vizier","reference":"I/350/tyc2tdsc","ref_year":null},{"parameter":"sed_flux","value":18.9,"value_text":null,"unit":"Jy","err_plus":8.8,"err_minus":8.8,"band":"2MASS:Ks","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"2MASS:H","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":18.3,"value_text":null,"unit":"Jy","err_plus":8.5,"err_minus":8.5,"band":"Johnson:K","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":22.8,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"Johnson:H","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":2.19,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:J","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":108.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"II/361/mdfc-v10","source":"vizier","reference":"II/361/mdfc-v10","ref_year":null},{"parameter":"sed_flux","value":153.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"II/361/mdfc-v10","source":"vizier","reference":"II/361/mdfc-v10","ref_year":null},{"parameter":"sed_flux","value":18.9,"value_text":null,"unit":"Jy","err_plus":8.8,"err_minus":8.8,"band":"2MASS:Ks","method":"III/284/allstars","source":"vizier","reference":"III/284/allstars","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"2MASS:H","method":"III/284/allstars","source":"vizier","reference":"III/284/allstars","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"III/284/allstars","source":"vizier","reference":"III/284/allstars","ref_year":null},{"parameter":"sed_flux","value":5.99,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"III/284/allstars","source":"vizier","reference":"III/284/allstars","ref_year":null},{"parameter":"sed_flux","value":18.9,"value_text":null,"unit":"Jy","err_plus":8.8,"err_minus":8.8,"band":"2MASS:Ks","method":"III/284/allvis","source":"vizier","reference":"III/284/allvis","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"2MASS:H","method":"III/284/allvis","source":"vizier","reference":"III/284/allvis","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"III/284/allvis","source":"vizier","reference":"III/284/allvis","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"III/286/catalog","source":"vizier","reference":"III/286/catalog","ref_year":null},{"parameter":"sed_flux","value":5.95,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"III/286/catalog","source":"vizier","reference":"III/286/catalog","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"III/286/allvis","source":"vizier","reference":"III/286/allvis","ref_year":null},{"parameter":"sed_flux","value":18.9,"value_text":null,"unit":"Jy","err_plus":8.8,"err_minus":8.8,"band":"2MASS:Ks","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":22.8,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"Johnson:H","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":2.19,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:J","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":5.99,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":4.28,"value_text":null,"unit":"Jy","err_plus":0.18,"err_minus":0.18,"band":"Johnson:V","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":395.0,"value_text":null,"unit":"Jy","err_plus":105.0,"err_minus":105.0,"band":"Johnson:B","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":18.9,"value_text":null,"unit":"Jy","err_plus":8.8,"err_minus":8.8,"band":"2MASS:Ks","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":22.8,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"Johnson:H","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":2.19,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:J","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":5.99,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":4.28,"value_text":null,"unit":"Jy","err_plus":0.18,"err_minus":0.18,"band":"Johnson:V","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":395.0,"value_text":null,"unit":"Jy","err_plus":105.0,"err_minus":105.0,"band":"Johnson:B","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":152.0,"value_text":null,"unit":"Jy","err_plus":73.0,"err_minus":73.0,"band":"Johnson:H","method":"V/137D/XHIP","source":"vizier","reference":"V/137D/XHIP","ref_year":null},{"parameter":"sed_flux","value":231.0,"value_text":null,"unit":"Jy","err_plus":127.0,"err_minus":127.0,"band":"Johnson:J","method":"V/137D/XHIP","source":"vizier","reference":"V/137D/XHIP","ref_year":null},{"parameter":"sed_flux","value":150.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"V/137D/XHIP","source":"vizier","reference":"V/137D/XHIP","ref_year":null},{"parameter":"sed_flux","value":102.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:B","method":"V/137D/XHIP","source":"vizier","reference":"V/137D/XHIP","ref_year":null},{"parameter":"sed_flux","value":139.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:Hp","method":"V/137D/XHIP","source":"vizier","reference":"V/137D/XHIP","ref_year":null},{"parameter":"sed_flux","value":1.17,"value_text":null,"unit":"Jy","err_plus":0.01,"err_minus":0.01,"band":"Johnson:B","method":"V/145/sky2kv5","source":"vizier","reference":"V/145/sky2kv5","ref_year":null},{"parameter":"sed_flux","value":0.193,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:U","method":"V/145/sky2kv5","source":"vizier","reference":"V/145/sky2kv5","ref_year":null},{"parameter":"sed_flux","value":18.9,"value_text":null,"unit":"Jy","err_plus":8.8,"err_minus":8.8,"band":"2MASS:Ks","method":"B/pastel/pastel","source":"vizier","reference":"B/pastel/pastel","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"2MASS:H","method":"B/pastel/pastel","source":"vizier","reference":"B/pastel/pastel","ref_year":null},{"parameter":"sed_flux","value":3.61,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"B/pastel/pastel","source":"vizier","reference":"B/pastel/pastel","ref_year":null},{"parameter":"sed_flux","value":1.17,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:B","method":"B/pastel/pastel","source":"vizier","reference":"B/pastel/pastel","ref_year":null},{"parameter":"sed_flux","value":0.059,"value_text":null,"unit":"Jy","err_plus":0.0039,"err_minus":0.0039,"band":"Herschel/PACS:100","method":"J/ApJ/801/143/sample","source":"vizier","reference":"J/ApJ/801/143/sample","ref_year":null},{"parameter":"sed_flux","value":18.3,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:K","method":"J/ApJ/892/31/table6","source":"vizier","reference":"J/ApJ/892/31/table6","ref_year":null},{"parameter":"sed_flux","value":22.8,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:H","method":"J/ApJ/892/31/table6","source":"vizier","reference":"J/ApJ/892/31/table6","ref_year":null},{"parameter":"sed_flux","value":2.19,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:J","method":"J/ApJ/892/31/table6","source":"vizier","reference":"J/ApJ/892/31/table6","ref_year":null},{"parameter":"sed_flux","value":2.1,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/ApJ/892/31/table6","source":"vizier","reference":"J/ApJ/892/31/table6","ref_year":null},{"parameter":"sed_flux","value":8.3,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"J/ApJS/271/55/table4","source":"vizier","reference":"J/ApJS/271/55/table4","ref_year":null},{"parameter":"sed_flux","value":23.0,"value_text":null,"unit":"Jy","err_plus":0.8,"err_minus":0.8,"band":"2MASS:H","method":"J/ApJS/271/55/table4","source":"vizier","reference":"J/ApJS/271/55/table4","ref_year":null},{"parameter":"sed_flux","value":2.14,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"J/ApJS/271/55/table4","source":"vizier","reference":"J/ApJS/271/55/table4","ref_year":null},{"parameter":"sed_flux","value":5.95,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":"Gaia:G","method":"J/ApJS/271/55/table4","source":"vizier","reference":"J/ApJS/271/55/table4","ref_year":null},{"parameter":"sed_flux","value":159.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/A+A/580/A23/catalog","source":"vizier","reference":"J/A+A/580/A23/catalog","ref_year":null},{"parameter":"sed_flux","value":154.0,"value_text":null,"unit":"Jy","err_plus":74.0,"err_minus":74.0,"band":"2MASS:H","method":"J/A+A/616/A7/rvstdcat","source":"vizier","reference":"J/A+A/616/A7/rvstdcat","ref_year":null},{"parameter":"sed_flux","value":226.0,"value_text":null,"unit":"Jy","err_plus":124.0,"err_minus":124.0,"band":"2MASS:J","method":"J/A+A/616/A7/rvstdcat","source":"vizier","reference":"J/A+A/616/A7/rvstdcat","ref_year":null},{"parameter":"sed_flux","value":3.61,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/A+A/681/A107/metaspec","source":"vizier","reference":"J/A+A/681/A107/metaspec","ref_year":null},{"parameter":"sed_flux","value":18.3,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:K","method":"J/AJ/147/86/table4","source":"vizier","reference":"J/AJ/147/86/table4","ref_year":null},{"parameter":"sed_flux","value":138.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:Hp","method":"J/AJ/164/36/table2","source":"vizier","reference":"J/AJ/164/36/table2","ref_year":null},{"parameter":"sed_flux","value":18.3,"value_text":null,"unit":"Jy","err_plus":8.5,"err_minus":8.5,"band":"Johnson:K","method":"J/AJ/165/267/table1","source":"vizier","reference":"J/AJ/165/267/table1","ref_year":null},{"parameter":"sed_flux","value":13.7,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"J/AJ/165/267/table1","source":"vizier","reference":"J/AJ/165/267/table1","ref_year":null},{"parameter":"sed_flux","value":18.9,"value_text":null,"unit":"Jy","err_plus":8.8,"err_minus":8.8,"band":"2MASS:Ks","method":"J/AJ/167/139/t_hpic","source":"vizier","reference":"J/AJ/167/139/t_hpic","ref_year":null},{"parameter":"spectral_type","value":null,"value_text":"M1.9","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020ApJ...892...31B","ref_year":2020},{"parameter":"spectral_type","value":null,"value_text":"K7Ve","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2015A&A...577A.128A","ref_year":2015},{"parameter":"spectral_type","value":null,"value_text":"K7V","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2002AJ....123.2002H","ref_year":2002},{"parameter":"spectral_type","value":null,"value_text":"M0-V","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"1989ApJS...71..245K","ref_year":1989},{"parameter":"spectral_type","value":null,"value_text":"K5","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"1985ApJS...59..197B","ref_year":1985},{"parameter":"spectral_type","value":null,"value_text":"K7V","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"1976AJ.....81..245E","ref_year":1976},{"parameter":"surface_gravity","value":4.3,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"surface_gravity","value":4.437,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"surface_gravity","value":4.41,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022AJ....163..152S","ref_year":2022},{"parameter":"surface_gravity","value":4.693,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2021ApJS..255....8R","ref_year":2021},{"parameter":"surface_gravity","value":4.5597,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020AJ....160..120J","ref_year":2020},{"parameter":"surface_gravity","value":4.409,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2019ApJ...879...69T","ref_year":2019},{"parameter":"vsini","value":4.367,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"vsini","value":5.228,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022ApJS..259...35A","ref_year":2022},{"parameter":"vsini","value":4.571,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020AJ....160..120J","ref_year":2020},{"parameter":"vsini","value":25.0,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"1970CoKwa.189....0U","ref_year":1970}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=* eta Cas B","fetched_at":"2026-09-08T07:14:51.868750+00:00"},{"source":"gaia-dr3","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-S?Gaia%20DR3%20425040000962497792","fetched_at":"2026-09-08T07:14:52.198926+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=12.271633%20+57.817826&-c.rs=5","fetched_at":"2026-09-08T07:15:00.896967+00:00"}]}