{"id":2052070,"slug":"virgo-cluster","name":"Virgo Cluster","domain":"deep-sky","class":"galaxy-group","otype":"ClG","otype_label":"ClG","ra":187.69909999999996,"dec":12.385200000000001,"coo_err_mas":5000.0,"coo_bibcode":"2022A&A...661A..38P","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":1137.0469,"redshift":0.0038,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":7214,"simbad_oid":1937165,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"CXOU J123047.3+122308","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-20T18:06:36.887658+00:00","views":28,"first_seen":"2026-08-14T16:50:48.069180+00:00","updated_at":"2026-09-13T03:31:46.301398+00:00","identifiers":["BAX 186.6337+12.7233","[D61] Vir I","INTREF 496","SRGA J123047.8+122307","Vir Cluster","Virgo Cluster","Virgo Group"],"measurements":[{"parameter":"radial_velocity","value":0.004,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2001ApJ...554L.129M","ref_year":2001},{"parameter":"radial_velocity","value":0.0038,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"1998A&A...338..813W","ref_year":1998},{"parameter":"sed_flux","value":0.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Planck:217","method":"VIII/88/erc","source":"vizier","reference":"VIII/88/erc","ref_year":null},{"parameter":"sed_flux","value":2.88e-06,"value_text":null,"unit":"Jy","err_plus":3e-08,"err_minus":3e-08,"band":"Cousins:I","method":"J/ApJ/703/42/table1","source":"vizier","reference":"J/ApJ/703/42/table1","ref_year":null},{"parameter":"sed_flux","value":1.61e-06,"value_text":null,"unit":"Jy","err_plus":2e-08,"err_minus":2e-08,"band":"Johnson:V","method":"J/ApJ/703/42/table1","source":"vizier","reference":"J/ApJ/703/42/table1","ref_year":null},{"parameter":"sed_flux","value":1.28e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"HST/ACS:F850LP","method":"J/ApJ/743/149/table5","source":"vizier","reference":"J/ApJ/743/149/table5","ref_year":null},{"parameter":"sed_flux","value":3.02e-06,"value_text":null,"unit":"Jy","err_plus":8e-08,"err_minus":8e-08,"band":"HST/ACS:F475W","method":"J/ApJ/743/149/table5","source":"vizier","reference":"J/ApJ/743/149/table5","ref_year":null},{"parameter":"sed_flux","value":3.39e-07,"value_text":null,"unit":"Jy","err_plus":2.4e-08,"err_minus":2.4e-08,"band":"HST/WFPC2:F336W","method":"J/ApJ/743/149/table5","source":"vizier","reference":"J/ApJ/743/149/table5","ref_year":null},{"parameter":"sed_flux","value":1.39e-06,"value_text":null,"unit":"Jy","err_plus":5e-08,"err_minus":5e-08,"band":"HST/ACS:F850LP","method":"J/ApJS/180/54/table4","source":"vizier","reference":"J/ApJS/180/54/table4","ref_year":null},{"parameter":"sed_flux","value":6.27e-07,"value_text":null,"unit":"Jy","err_plus":2.7e-08,"err_minus":2.7e-08,"band":"HST/ACS:F475W","method":"J/ApJS/180/54/table4","source":"vizier","reference":"J/ApJS/180/54/table4","ref_year":null},{"parameter":"sed_flux","value":9.05e-06,"value_text":null,"unit":"Jy","err_plus":1.09e-06,"err_minus":1.09e-06,"band":"Johnson:K","method":"J/A+A/525/A19/table4","source":"vizier","reference":"J/A+A/525/A19/table4","ref_year":null},{"parameter":"sed_flux","value":7.6e-06,"value_text":null,"unit":"Jy","err_plus":8e-08,"err_minus":8e-08,"band":"HST/ACS:F850LP","method":"J/A+A/525/A19/table4","source":"vizier","reference":"J/A+A/525/A19/table4","ref_year":null},{"parameter":"sed_flux","value":3.37e-06,"value_text":null,"unit":"Jy","err_plus":4e-08,"err_minus":4e-08,"band":"HST/ACS:F475W","method":"J/A+A/525/A19/table4","source":"vizier","reference":"J/A+A/525/A19/table4","ref_year":null},{"parameter":"sed_flux","value":15.2,"value_text":null,"unit":"Jy","err_plus":0.3,"err_minus":0.3,"band":"@{Freq}","method":"J/A+A/553/A107/table2","source":"vizier","reference":"J/A+A/553/A107/table2","ref_year":null},{"parameter":"sed_flux","value":2.53,"value_text":null,"unit":"Jy","err_plus":0.48,"err_minus":0.48,"band":"@{Freq}","method":"VIII/88/erc","source":"vizier","reference":"VIII/88/erc","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=Virgo Cluster","fetched_at":"2026-08-20T18:06:20.458299+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=CXOU J123047.3+122308","fetched_at":"2026-08-20T18:06:22.232243+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=187.699100%20+12.385200&-c.rs=5","fetched_at":"2026-08-20T18:06:36.886120+00:00"}]}