{"id":1729867,"slug":"leda-74946","name":"LEDA 74946","domain":"deep-sky","class":"agn","otype":"LSB","otype_label":"LowSurfBrghtG","ra":55.7296,"dec":-35.3435,"coo_err_mas":null,"coo_bibcode":"2018A&A...620A.165V","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":null,"bmag":19.0,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":0.29538733,"size_min":0.16447167,"size_angle":-47.0,"nbref":15,"simbad_oid":669066,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"FCC 284","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-11T22:56:35.417026+00:00","views":2,"first_seen":"2026-08-14T16:50:11.538209+00:00","updated_at":"2026-08-14T16:50:11.538209+00:00","identifiers":["FCC 284","FDS 6 0352","FLSBG 292","LEDA 74946","NGFS J034255-352037","SMDG J0342551-352036","[VPL2018] FDS6 DWARF352"],"measurements":[{"parameter":"magnitude","value":18.6,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"i","method":"V","source":"simbad","reference":"2018ApJ...859...52O","ref_year":2018},{"parameter":"magnitude","value":18.7845,"value_text":null,"unit":"mag","err_plus":0.2638,"err_minus":0.2638,"band":"r","method":"A","source":"simbad","reference":"2018A&A...620A.165V","ref_year":2018},{"parameter":"magnitude","value":19.3672,"value_text":null,"unit":"mag","err_plus":0.3046,"err_minus":0.3046,"band":"g","method":"A","source":"simbad","reference":"2018A&A...620A.165V","ref_year":2018},{"parameter":"magnitude","value":19.0,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"B","method":null,"source":"simbad","reference":null,"ref_year":null},{"parameter":"redshift","value":0.00441638862042353,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"ned","reference":"2023ApJS..267...27Z","ref_year":2023},{"parameter":"sed_flux","value":0.00106,"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":0.000242,"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":2.33e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":1.81e-05,"value_text":null,"unit":"Jy","err_plus":2.9e-06,"err_minus":2.9e-06,"band":"WISE:W1","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":1.38e-05,"value_text":null,"unit":"Jy","err_plus":1.8e-06,"err_minus":1.8e-06,"band":"WISE:W1","method":"II/363/unwise","source":"vizier","reference":"II/363/unwise","ref_year":null},{"parameter":"sed_flux","value":1.09e-05,"value_text":null,"unit":"Jy","err_plus":3.4e-06,"err_minus":3.4e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":1.25e-05,"value_text":null,"unit":"Jy","err_plus":1.8e-06,"err_minus":1.8e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.00013,"value_text":null,"unit":"Jy","err_plus":1.2e-05,"err_minus":1.2e-05,"band":"CTIO/DECam:Y","method":"II/371/des_dr2","source":"vizier","reference":"II/371/des_dr2","ref_year":null},{"parameter":"sed_flux","value":0.000118,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"CTIO/DECam:z","method":"II/371/des_dr2","source":"vizier","reference":"II/371/des_dr2","ref_year":null},{"parameter":"sed_flux","value":0.000121,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-06,"band":"CTIO/DECam:i","method":"II/371/des_dr2","source":"vizier","reference":"II/371/des_dr2","ref_year":null},{"parameter":"sed_flux","value":0.000104,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"CTIO/DECam:r","method":"II/371/des_dr2","source":"vizier","reference":"II/371/des_dr2","ref_year":null},{"parameter":"sed_flux","value":6.12e-05,"value_text":null,"unit":"Jy","err_plus":8e-07,"err_minus":8e-07,"band":"CTIO/DECam:g","method":"II/371/des_dr2","source":"vizier","reference":"II/371/des_dr2","ref_year":null},{"parameter":"sed_flux","value":8.98e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"CTIO/DECam:i","method":"J/ApJ/859/52/table1","source":"vizier","reference":"J/ApJ/859/52/table1","ref_year":null},{"parameter":"sed_flux","value":8.38e-07,"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":3.31e-06,"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":0.0272,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Herschel/SPIRE:500","method":"J/MNRAS/440/1571/tablea1","source":"vizier","reference":"J/MNRAS/440/1571/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.0163,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Herschel/SPIRE:350","method":"J/MNRAS/440/1571/tablea1","source":"vizier","reference":"J/MNRAS/440/1571/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.0153,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Herschel/SPIRE:250","method":"J/MNRAS/440/1571/tablea1","source":"vizier","reference":"J/MNRAS/440/1571/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.0125,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Herschel/PACS:160","method":"J/MNRAS/440/1571/tablea1","source":"vizier","reference":"J/MNRAS/440/1571/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.00106,"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":0.000242,"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":2.33e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W2","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.81e-05,"value_text":null,"unit":"Jy","err_plus":2.9e-06,"err_minus":2.9e-06,"band":"WISE:W1","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 74946","fetched_at":"2026-09-11T22:56:26.916524+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=FCC 284","fetched_at":"2026-09-11T22:56:29.096132+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=55.729600%20-35.343500&-c.rs=5","fetched_at":"2026-09-11T22:56:35.414899+00:00"}]}