{"id":1935309,"slug":"sn-2001em","name":"SN 2001em","domain":"deep-sky","class":"transient","otype":"SN*","otype_label":"Supernova","ra":325.5983720833333,"dec":12.497305555555554,"coo_err_mas":null,"coo_bibcode":"2005ApJ...625L..99B","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":5786.9077,"redshift":0.019493,"dist_pc":null,"vmag":18.6,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":"SNIc:","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":101,"simbad_oid":1444738,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-10-11T20:15:51.746918+00:00","views":13,"first_seen":"2026-08-14T16:50:33.190276+00:00","updated_at":"2026-09-20T03:26:18.184858+00:00","identifiers":["SN 2001em"],"measurements":[{"parameter":"magnitude","value":18.6,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"V","method":"V","source":"simbad","reference":"2008yCat.2283....0B","ref_year":2008},{"parameter":"sed_flux","value":0.000832,"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":0.000547,"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":2.59e-05,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-07,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":9.61e-05,"value_text":null,"unit":"Jy","err_plus":1.06e-05,"err_minus":1.06e-05,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":2e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":2.68e-05,"value_text":null,"unit":"Jy","err_plus":4.5e-06,"err_minus":4.5e-06,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.000831,"value_text":null,"unit":"Jy","err_plus":0.000124,"err_minus":0.000124,"band":"2MASS:H","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000547,"value_text":null,"unit":"Jy","err_plus":7.2e-05,"err_minus":7.2e-05,"band":"2MASS:J","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":7.13e-05,"value_text":null,"unit":"Jy","err_plus":1.9e-06,"err_minus":1.9e-06,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":4.56e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":2.37e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.69e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.27e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":4.42e-06,"value_text":null,"unit":"Jy","err_plus":1.02e-06,"err_minus":1.02e-06,"band":"SDSS:u","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":9.61e-05,"value_text":null,"unit":"Jy","err_plus":1.06e-05,"err_minus":1.06e-05,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":2e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":2.68e-05,"value_text":null,"unit":"Jy","err_plus":4.5e-06,"err_minus":4.5e-06,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.00183,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:K","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.00199,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"Johnson:H","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.00142,"value_text":null,"unit":"Jy","err_plus":0.00011,"err_minus":0.00011,"band":"Johnson:J","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.000162,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":7.13e-05,"value_text":null,"unit":"Jy","err_plus":1.9e-06,"err_minus":1.9e-06,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":4.54e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.69e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":3.26e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":7.41e-05,"value_text":null,"unit":"Jy","err_plus":2.2e-06,"err_minus":2.2e-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":8.21e-05,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"PAN-STARRS/PS1:g","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.000162,"value_text":null,"unit":"Jy","err_plus":5e-06,"err_minus":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":7.13e-05,"value_text":null,"unit":"Jy","err_plus":1.9e-06,"err_minus":1.9e-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":1.69e-05,"value_text":null,"unit":"Jy","err_plus":1.4e-06,"err_minus":1.4e-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":0.00189,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000823,"value_text":null,"unit":"Jy","err_plus":0.000123,"err_minus":0.000123,"band":"Johnson:H","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000559,"value_text":null,"unit":"Jy","err_plus":7.3e-05,"err_minus":7.3e-05,"band":"Johnson:J","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":2.37e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00189,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000823,"value_text":null,"unit":"Jy","err_plus":0.000123,"err_minus":0.000123,"band":"Johnson:H","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000559,"value_text":null,"unit":"Jy","err_plus":7.3e-05,"err_minus":7.3e-05,"band":"Johnson:J","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":2.37e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":2.69e-06,"value_text":null,"unit":"Jy","err_plus":2.05e-06,"err_minus":2.05e-06,"band":"SDSS:z","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":6.54e-07,"value_text":null,"unit":"Jy","err_plus":5.99e-07,"err_minus":5.99e-07,"band":"SDSS:i","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.47e-06,"value_text":null,"unit":"Jy","err_plus":6.8e-07,"err_minus":6.8e-07,"band":"SDSS:r","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.35e-06,"value_text":null,"unit":"Jy","err_plus":4.5e-07,"err_minus":4.5e-07,"band":"SDSS:g","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":4.36e-06,"value_text":null,"unit":"Jy","err_plus":1.01e-06,"err_minus":1.01e-06,"band":"SDSS:u","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":0.000115,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"VI/137/gum_mw","source":"vizier","reference":"VI/137/gum_mw","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=SN 2001em","fetched_at":"2026-10-11T20:15:44.916891+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=325.598372%20+12.497306&-c.rs=5","fetched_at":"2026-10-11T20:15:51.628600+00:00"}]}