{"id":1951035,"slug":"bd-28-1738","name":"BD+28 1738","domain":"deep-sky","class":"star","otype":"Em*","otype_label":"EmLine*","ra":139.93349675676,"dec":27.42217845024,"coo_err_mas":0.3136,"coo_bibcode":"2020yCat.1350....0G","plx_mas":4.9953,"pmra":9.926,"pmdec":-18.196,"rv_kms":-46.15,"redshift":-0.00015392798,"dist_pc":null,"vmag":8.98,"bmag":10.04,"gmag":8.729417,"jmag":7.14,"kmag":6.498,"sp_type":"G5","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":6,"simbad_oid":1615230,"gaia_dr3":694928633367315584,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-23T13:30:46.972660+00:00","views":5,"first_seen":"2026-08-14T16:50:37.517913+00:00","updated_at":"2026-08-14T16:50:37.517913+00:00","identifiers":["2MASS J09194404+2725197","AG+27 991","BD+28 1738","Gaia DR1 694928629070731904","Gaia DR2 694928633367315584","Gaia DR3 694928633367315584","GSC 01955-00544","LAMOST J091944.31+272519.7","PPM 99493","SAO 80763","TIC 149399573","TYC 1955-544-1","YZ 27 4911"],"measurements":[{"parameter":"distance","value":200.188,"value_text":null,"unit":"pc","err_plus":12.3873,"err_minus":-12.3873,"band":null,"method":"paral","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"distance","value":214.0732,"value_text":null,"unit":"pc","err_plus":7.6623,"err_minus":-7.6623,"band":null,"method":"paral","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"effective_temperature","value":4691.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2023ApJS..264...17Z","ref_year":2023},{"parameter":"magnitude","value":8.729417,"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":8.729417,"value_text":null,"unit":"mag","err_plus":0.002761,"err_minus":0.002761,"band":"G","method":"V","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"magnitude","value":6.625,"value_text":null,"unit":"mag","err_plus":0.016,"err_minus":0.016,"band":"H","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":7.14,"value_text":null,"unit":"mag","err_plus":0.024,"err_minus":0.024,"band":"J","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":6.498,"value_text":null,"unit":"mag","err_plus":0.021,"err_minus":0.021,"band":"K","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":8.98,"value_text":null,"unit":"mag","err_plus":0.02,"err_minus":0.02,"band":"V","method":"V","source":"simbad","reference":"2000A&A...355L..27H","ref_year":2000},{"parameter":"magnitude","value":10.04,"value_text":null,"unit":"mag","err_plus":0.04,"err_minus":0.04,"band":"B","method":"V","source":"simbad","reference":"2000A&A...355L..27H","ref_year":2000},{"parameter":"metallicity","value":0.15,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2023ApJS..264...17Z","ref_year":2023},{"parameter":"parallax","value":4.995331373884138,"value_text":null,"unit":"mas","err_plus":0.30905184,"err_minus":0.30905184,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"parallax","value":4.9953,"value_text":null,"unit":"mas","err_plus":0.3091,"err_minus":0.3091,"band":null,"method":null,"source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"parallax","value":4.6713,"value_text":null,"unit":"mas","err_plus":0.1672,"err_minus":0.1672,"band":null,"method":null,"source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"parallax","value":4.59,"value_text":null,"unit":"mas","err_plus":0.4,"err_minus":0.4,"band":null,"method":null,"source":"simbad","reference":"2016A&A...595A...2G","ref_year":2016},{"parameter":"pm_dec","value":-18.195650760596518,"value_text":null,"unit":"mas/yr","err_plus":0.27591926,"err_minus":0.27591926,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_dec","value":-18.196,"value_text":null,"unit":"mas/yr","err_plus":0.276,"err_minus":0.276,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_dec","value":-12.807,"value_text":null,"unit":"mas/yr","err_plus":0.29,"err_minus":0.29,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_dec","value":-20.0,"value_text":null,"unit":"mas/yr","err_plus":9.0,"err_minus":9.0,"band":null,"method":"FK4","source":"simbad","reference":"1971IAUCo...7..153L","ref_year":1971},{"parameter":"pm_ra","value":9.925823311122812,"value_text":null,"unit":"mas/yr","err_plus":0.3388286,"err_minus":0.3388286,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_ra","value":9.926,"value_text":null,"unit":"mas/yr","err_plus":0.339,"err_minus":0.339,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_ra","value":6.638,"value_text":null,"unit":"mas/yr","err_plus":0.32,"err_minus":0.32,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_ra","value":2.0,"value_text":null,"unit":"mas/yr","err_plus":9.0,"err_minus":9.0,"band":null,"method":"FK4","source":"simbad","reference":"1971IAUCo...7..153L","ref_year":1971},{"parameter":"radial_velocity","value":-58.099945,"value_text":null,"unit":"km/s","err_plus":3.6911418,"err_minus":3.6911418,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"radial_velocity","value":-46.15,"value_text":null,"unit":"km/s","err_plus":3.7,"err_minus":3.7,"band":null,"method":"v","source":"simbad","reference":"2023ApJS..264...17Z","ref_year":2023},{"parameter":"radial_velocity","value":-50.6,"value_text":null,"unit":"km/s","err_plus":11.65,"err_minus":11.65,"band":null,"method":"v","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"ruwe","value":11.213711,"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":"spectral_type","value":null,"value_text":"G5","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2023ApJS..264...17Z","ref_year":2023}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=BD+28 1738","fetched_at":"2026-08-23T13:30:37.613084+00:00"},{"source":"gaia-dr3","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-S?Gaia%20DR3%20694928633367315584","fetched_at":"2026-08-23T13:30:45.992458+00:00"}]}