{"id":2006345,"slug":"leda-39447","name":"LEDA 39447","domain":"deep-sky","class":"agn","otype":"AG?","otype_label":"AGN Candidate","ra":184.421032,"dec":7.153253,"coo_err_mas":543.0,"coo_bibcode":"2009ApJS..182..543A","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":3703.2622,"redshift":0.01243,"dist_pc":null,"vmag":null,"bmag":20.0,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":"E","size_maj":0.25062,"size_min":0.132202,"size_angle":45.0,"nbref":10,"simbad_oid":1912486,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"GALEXMSC J121741.29+070915.8","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-23T18:50:25.325656+00:00","views":6,"first_seen":"2026-08-14T16:50:43.491428+00:00","updated_at":"2026-08-14T16:50:43.491428+00:00","identifiers":["GRDG +07 12","LEDA 39447","LEDA 4537107","[PYY2023] J121741+070911","SDSS J121741.04+070911.7","VCC 246"],"measurements":[{"parameter":"magnitude","value":17.8502,"value_text":null,"unit":"mag","err_plus":0.0212,"err_minus":0.0212,"band":"z","method":"A","source":"simbad","reference":"2023ApJS..269....3M","ref_year":2023},{"parameter":"magnitude","value":18.831,"value_text":null,"unit":"mag","err_plus":0.0182,"err_minus":0.0182,"band":"g","method":"A","source":"simbad","reference":"2023ApJS..269....3M","ref_year":2023},{"parameter":"magnitude","value":18.2458,"value_text":null,"unit":"mag","err_plus":0.019,"err_minus":0.019,"band":"r","method":"A","source":"simbad","reference":"2023ApJS..269....3M","ref_year":2023},{"parameter":"magnitude","value":19.6,"value_text":null,"unit":"mag","err_plus":0.1,"err_minus":0.1,"band":"u","method":"A","source":"simbad","reference":"2009ApJS..182..543A","ref_year":2009},{"parameter":"magnitude","value":17.39,"value_text":null,"unit":"mag","err_plus":0.02,"err_minus":0.02,"band":"i","method":"A","source":"simbad","reference":"2009ApJS..182..543A","ref_year":2009},{"parameter":"magnitude","value":20.0,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"B","method":null,"source":"simbad","reference":null,"ref_year":null},{"parameter":"radial_velocity","value":0.01243,"value_text":null,"unit":"km/s","err_plus":0.00028,"err_minus":0.00028,"band":null,"method":"z","source":"simbad","reference":"2009ApJS..182..543A","ref_year":2009},{"parameter":"sed_flux","value":1.64e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":5.87e-05,"value_text":null,"unit":"Jy","err_plus":6.5e-06,"err_minus":6.5e-06,"band":"SDSS:u","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00264,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00029,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":7.82e-05,"value_text":null,"unit":"Jy","err_plus":1.18e-05,"err_minus":1.18e-05,"band":"WISE:W2","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000185,"value_text":null,"unit":"Jy","err_plus":8e-06,"err_minus":8e-06,"band":"WISE:W1","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00192,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000244,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":9.16e-05,"value_text":null,"unit":"Jy","err_plus":1.5e-05,"err_minus":1.5e-05,"band":"WISE:W2","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000172,"value_text":null,"unit":"Jy","err_plus":9e-06,"err_minus":9e-06,"band":"WISE:W1","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":6.58e-05,"value_text":null,"unit":"Jy","err_plus":6.9e-06,"err_minus":6.9e-06,"band":"UKIDSS:K","method":"II/319/las9","source":"vizier","reference":"II/319/las9","ref_year":null},{"parameter":"sed_flux","value":5.47e-05,"value_text":null,"unit":"Jy","err_plus":6.7e-06,"err_minus":6.7e-06,"band":"UKIDSS:H","method":"II/319/las9","source":"vizier","reference":"II/319/las9","ref_year":null},{"parameter":"sed_flux","value":4.38e-05,"value_text":null,"unit":"Jy","err_plus":3.2e-06,"err_minus":3.2e-06,"band":"UKIDSS:J","method":"II/319/las9","source":"vizier","reference":"II/319/las9","ref_year":null},{"parameter":"sed_flux","value":3.54e-05,"value_text":null,"unit":"Jy","err_plus":2.4e-06,"err_minus":2.4e-06,"band":"UKIDSS:Y","method":"II/319/las9","source":"vizier","reference":"II/319/las9","ref_year":null},{"parameter":"sed_flux","value":0.00264,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.00029,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":7.82e-05,"value_text":null,"unit":"Jy","err_plus":1.18e-05,"err_minus":1.18e-05,"band":"WISE:W2","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.000185,"value_text":null,"unit":"Jy","err_plus":8e-06,"err_minus":8e-06,"band":"WISE:W1","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":4.19e-05,"value_text":null,"unit":"Jy","err_plus":8.5e-06,"err_minus":8.5e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":5.54e-05,"value_text":null,"unit":"Jy","err_plus":4.3e-06,"err_minus":4.3e-06,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":3.35e-05,"value_text":null,"unit":"Jy","err_plus":1.9e-06,"err_minus":1.9e-06,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":3.62e-05,"value_text":null,"unit":"Jy","err_plus":2.7e-06,"err_minus":2.7e-06,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.63e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":2.96e-05,"value_text":null,"unit":"Jy","err_plus":4.3e-06,"err_minus":4.3e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":6.39e-05,"value_text":null,"unit":"Jy","err_plus":2.7e-06,"err_minus":2.7e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":4.19e-05,"value_text":null,"unit":"Jy","err_plus":8.5e-06,"err_minus":8.5e-06,"band":"PAN-STARRS/PS1:y","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":5.54e-05,"value_text":null,"unit":"Jy","err_plus":4.3e-06,"err_minus":4.3e-06,"band":"PAN-STARRS/PS1:z","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":3.35e-05,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-06,"band":"PAN-STARRS/PS1:i","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":3.62e-05,"value_text":null,"unit":"Jy","err_plus":2.8e-06,"err_minus":2.8e-06,"band":"PAN-STARRS/PS1:r","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":1.63e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"PAN-STARRS/PS1:g","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.00042,"value_text":null,"unit":"Jy","err_plus":3e-05,"err_minus":3e-05,"band":"SDSS:z","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":0.000408,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"SDSS:i","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":0.000301,"value_text":null,"unit":"Jy","err_plus":9e-06,"err_minus":9e-06,"band":"SDSS:r","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":0.00016,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"SDSS:g","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":5.79e-05,"value_text":null,"unit":"Jy","err_plus":1.72e-05,"err_minus":1.72e-05,"band":"SDSS:u","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":0.000586,"value_text":null,"unit":"Jy","err_plus":2.2e-05,"err_minus":2.2e-05,"band":"SDSS:z","method":"J/ApJS/215/22/table3","source":"vizier","reference":"J/ApJS/215/22/table3","ref_year":null},{"parameter":"sed_flux","value":0.000476,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"SDSS:i","method":"J/ApJS/215/22/table3","source":"vizier","reference":"J/ApJS/215/22/table3","ref_year":null},{"parameter":"sed_flux","value":0.000351,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"SDSS:r","method":"J/ApJS/215/22/table3","source":"vizier","reference":"J/ApJS/215/22/table3","ref_year":null},{"parameter":"sed_flux","value":0.000204,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"SDSS:g","method":"J/ApJS/215/22/table3","source":"vizier","reference":"J/ApJS/215/22/table3","ref_year":null},{"parameter":"sed_flux","value":8.5e-05,"value_text":null,"unit":"Jy","err_plus":4.2e-06,"err_minus":4.2e-06,"band":"SDSS:u","method":"J/ApJS/215/22/table3","source":"vizier","reference":"J/ApJS/215/22/table3","ref_year":null},{"parameter":"sed_flux","value":0.000122,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:u'","method":"J/A+A/479/927/galaxies","source":"vizier","reference":"J/A+A/479/927/galaxies","ref_year":null},{"parameter":"sed_flux","value":0.0005,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"J/A+A/570/A69/tablea1","source":"vizier","reference":"J/A+A/570/A69/tablea1","ref_year":null},{"parameter":"sed_flux","value":1.06e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"J/A+A/706/A284/regalade","source":"vizier","reference":"J/A+A/706/A284/regalade","ref_year":null},{"parameter":"sed_flux","value":3.45e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W1","method":"J/A+A/706/A284/regalade","source":"vizier","reference":"J/A+A/706/A284/regalade","ref_year":null},{"parameter":"sed_flux","value":0.00264,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"J/MNRAS/494/1784/table1","source":"vizier","reference":"J/MNRAS/494/1784/table1","ref_year":null},{"parameter":"sed_flux","value":0.00029,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"J/MNRAS/494/1784/table1","source":"vizier","reference":"J/MNRAS/494/1784/table1","ref_year":null},{"parameter":"sed_flux","value":7.82e-05,"value_text":null,"unit":"Jy","err_plus":1.18e-05,"err_minus":1.18e-05,"band":"WISE:W2","method":"J/MNRAS/494/1784/table1","source":"vizier","reference":"J/MNRAS/494/1784/table1","ref_year":null},{"parameter":"sed_flux","value":0.000185,"value_text":null,"unit":"Jy","err_plus":8e-06,"err_minus":8e-06,"band":"WISE:W1","method":"J/MNRAS/494/1784/table1","source":"vizier","reference":"J/MNRAS/494/1784/table1","ref_year":null},{"parameter":"sed_flux","value":0.000163,"value_text":null,"unit":"Jy","err_plus":1.9e-05,"err_minus":1.9e-05,"band":"WISE:W2","method":"J/MNRAS/506/1896/hecate","source":"vizier","reference":"J/MNRAS/506/1896/hecate","ref_year":null},{"parameter":"sed_flux","value":0.000386,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"WISE:W1","method":"J/MNRAS/506/1896/hecate","source":"vizier","reference":"J/MNRAS/506/1896/hecate","ref_year":null},{"parameter":"sed_flux","value":0.000473,"value_text":null,"unit":"Jy","err_plus":3.8e-05,"err_minus":3.8e-05,"band":"SDSS:z","method":"J/MNRAS/506/1896/hecate","source":"vizier","reference":"J/MNRAS/506/1896/hecate","ref_year":null},{"parameter":"sed_flux","value":0.000442,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"SDSS:i","method":"J/MNRAS/506/1896/hecate","source":"vizier","reference":"J/MNRAS/506/1896/hecate","ref_year":null},{"parameter":"sed_flux","value":0.00034,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"SDSS:r","method":"J/MNRAS/506/1896/hecate","source":"vizier","reference":"J/MNRAS/506/1896/hecate","ref_year":null},{"parameter":"sed_flux","value":0.000198,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"SDSS:g","method":"J/MNRAS/506/1896/hecate","source":"vizier","reference":"J/MNRAS/506/1896/hecate","ref_year":null},{"parameter":"sed_flux","value":5.9e-05,"value_text":null,"unit":"Jy","err_plus":6.6e-06,"err_minus":6.6e-06,"band":"SDSS:u","method":"J/MNRAS/506/1896/hecate","source":"vizier","reference":"J/MNRAS/506/1896/hecate","ref_year":null},{"parameter":"sed_flux","value":0.000151,"value_text":null,"unit":"Jy","err_plus":6.4e-05,"err_minus":6.4e-05,"band":"POSS-II:i","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.000194,"value_text":null,"unit":"Jy","err_plus":7.9e-05,"err_minus":7.9e-05,"band":"POSS-II:F","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":2.52e-05,"value_text":null,"unit":"Jy","err_plus":1.07e-05,"err_minus":1.07e-05,"band":"Johnson:B","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":5.54e-05,"value_text":null,"unit":"Jy","err_plus":4.3e-06,"err_minus":4.3e-06,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.36e-05,"value_text":null,"unit":"Jy","err_plus":1.9e-06,"err_minus":1.9e-06,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.64e-05,"value_text":null,"unit":"Jy","err_plus":2.7e-06,"err_minus":2.7e-06,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=LEDA 39447","fetched_at":"2026-08-23T18:50:15.556481+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=GALEXMSC J121741.29+070915.8","fetched_at":"2026-08-23T18:50:16.975463+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=184.421032%20+7.153253&-c.rs=5","fetched_at":"2026-08-23T18:50:25.324060+00:00"}]}