{"id":2143305,"slug":"v-v4642-sgr","name":"V* V4642 Sgr","domain":"deep-sky","class":"star","otype":"No*","otype_label":"Nova","ra":268.7911892560799,"dec":-19.766957298849995,"coo_err_mas":1.0377,"coo_bibcode":"2020yCat.1350....0G","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":null,"bmag":null,"gmag":20.48592,"jmag":17.343,"kmag":16.53,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":23,"simbad_oid":2533554,"gaia_dr3":4119225897276223360,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-16T18:05:41.749222+00:00","views":4,"first_seen":"2026-08-14T16:50:56.835646+00:00","updated_at":"2026-08-14T16:50:56.835646+00:00","identifiers":["AAVSO 1749-19","Gaia DR2 4119225897276223360","Gaia DR3 4119225897276223360","NOVA Sgr 2000","V* V4642 Sgr"],"measurements":[{"parameter":"distance","value":8070.0,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2022MNRAS.517.6150S","ref_year":2022},{"parameter":"magnitude","value":20.48114,"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":20.48592,"value_text":null,"unit":"mag","err_plus":0.011756,"err_minus":0.011756,"band":"G","method":"V","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"magnitude","value":16.812,"value_text":null,"unit":"mag","err_plus":0.145,"err_minus":0.145,"band":"H","method":"V","source":"simbad","reference":"2013A&A...554A.123S","ref_year":2013},{"parameter":"magnitude","value":16.53,"value_text":null,"unit":"mag","err_plus":0.17,"err_minus":0.17,"band":"K","method":"V","source":"simbad","reference":"2013A&A...554A.123S","ref_year":2013},{"parameter":"magnitude","value":17.343,"value_text":null,"unit":"mag","err_plus":0.117,"err_minus":0.117,"band":"J","method":"V","source":"simbad","reference":"2013A&A...554A.123S","ref_year":2013},{"parameter":"sed_flux","value":4.24e-05,"value_text":null,"unit":"Jy","err_plus":4.9e-06,"err_minus":4.9e-06,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":1.87e-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":8.99e-06,"value_text":null,"unit":"Jy","err_plus":9.6e-07,"err_minus":9.6e-07,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":5.81e-05,"value_text":null,"unit":"Jy","err_plus":1e-07,"err_minus":1e-07,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.23e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.15e-05,"value_text":null,"unit":"Jy","err_plus":1.9e-06,"err_minus":1.9e-06,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.19e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":5.1e-06,"value_text":null,"unit":"Jy","err_plus":8.7e-07,"err_minus":8.7e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":4.24e-05,"value_text":null,"unit":"Jy","err_plus":4.9e-06,"err_minus":4.9e-06,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":1.89e-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":8.99e-06,"value_text":null,"unit":"Jy","err_plus":9.6e-07,"err_minus":9.6e-07,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.000128,"value_text":null,"unit":"Jy","err_plus":2.4e-05,"err_minus":2.4e-05,"band":"VISTA:Ks","method":"II/337/vvv1","source":"vizier","reference":"II/337/vvv1","ref_year":null},{"parameter":"sed_flux","value":0.000178,"value_text":null,"unit":"Jy","err_plus":2.1e-05,"err_minus":2.1e-05,"band":"VISTA:H","method":"II/337/vvv1","source":"vizier","reference":"II/337/vvv1","ref_year":null},{"parameter":"sed_flux","value":0.000145,"value_text":null,"unit":"Jy","err_plus":1.4e-05,"err_minus":1.4e-05,"band":"VISTA:J","method":"II/337/vvv1","source":"vizier","reference":"II/337/vvv1","ref_year":null},{"parameter":"sed_flux","value":0.000108,"value_text":null,"unit":"Jy","err_plus":1.2e-05,"err_minus":1.2e-05,"band":"VISTA:Y","method":"II/337/vvv1","source":"vizier","reference":"II/337/vvv1","ref_year":null},{"parameter":"sed_flux","value":8.57e-05,"value_text":null,"unit":"Jy","err_plus":7.5e-06,"err_minus":7.5e-06,"band":"VISTA:Z","method":"II/337/vvv1","source":"vizier","reference":"II/337/vvv1","ref_year":null},{"parameter":"sed_flux","value":0.000121,"value_text":null,"unit":"Jy","err_plus":2.8e-05,"err_minus":2.8e-05,"band":"VISTA:Ks","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":0.000167,"value_text":null,"unit":"Jy","err_plus":2.8e-05,"err_minus":2.8e-05,"band":"VISTA:H","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":0.000137,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"VISTA:J","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":9.71e-05,"value_text":null,"unit":"Jy","err_plus":1.52e-05,"err_minus":1.52e-05,"band":"VISTA:Y","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":6.39e-05,"value_text":null,"unit":"Jy","err_plus":9.7e-06,"err_minus":9.7e-06,"band":"VISTA:Z","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":5.65e-05,"value_text":null,"unit":"Jy","err_plus":1.29e-05,"err_minus":1.29e-05,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":5.81e-05,"value_text":null,"unit":"Jy","err_plus":1e-07,"err_minus":1e-07,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":3.23e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.19e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":5.09e-06,"value_text":null,"unit":"Jy","err_plus":8.7e-07,"err_minus":8.7e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000119,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"Johnson:K","method":"II/364/virac","source":"vizier","reference":"II/364/virac","ref_year":null},{"parameter":"sed_flux","value":0.000119,"value_text":null,"unit":"Jy","err_plus":2.8e-05,"err_minus":2.8e-05,"band":"VISTA:Ks","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":0.00016,"value_text":null,"unit":"Jy","err_plus":2.7e-05,"err_minus":2.7e-05,"band":"VISTA:H","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":0.000136,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"VISTA:J","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":9.7e-05,"value_text":null,"unit":"Jy","err_plus":1.52e-05,"err_minus":1.52e-05,"band":"VISTA:Y","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":6.38e-05,"value_text":null,"unit":"Jy","err_plus":9.7e-06,"err_minus":9.7e-06,"band":"VISTA:Z","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":0.000268,"value_text":null,"unit":"Jy","err_plus":2.7e-05,"err_minus":2.7e-05,"band":"SkyMapper/SkyMapper:z","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.00018,"value_text":null,"unit":"Jy","err_plus":1.5e-05,"err_minus":1.5e-05,"band":"SkyMapper/SkyMapper:i","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.000126,"value_text":null,"unit":"Jy","err_plus":2.2e-05,"err_minus":2.2e-05,"band":"VISTA:Ks","method":"II/387/virac2","source":"vizier","reference":"II/387/virac2","ref_year":null},{"parameter":"sed_flux","value":0.000134,"value_text":null,"unit":"Jy","err_plus":1.2e-05,"err_minus":1.2e-05,"band":"VISTA:H","method":"II/387/virac2","source":"vizier","reference":"II/387/virac2","ref_year":null},{"parameter":"sed_flux","value":0.00012,"value_text":null,"unit":"Jy","err_plus":5e-06,"err_minus":5e-06,"band":"VISTA:J","method":"II/387/virac2","source":"vizier","reference":"II/387/virac2","ref_year":null},{"parameter":"sed_flux","value":9.7e-05,"value_text":null,"unit":"Jy","err_plus":8.7e-06,"err_minus":8.7e-06,"band":"VISTA:Y","method":"II/387/virac2","source":"vizier","reference":"II/387/virac2","ref_year":null},{"parameter":"sed_flux","value":6.37e-05,"value_text":null,"unit":"Jy","err_plus":9e-06,"err_minus":9e-06,"band":"VISTA:Z","method":"II/387/virac2","source":"vizier","reference":"II/387/virac2","ref_year":null},{"parameter":"sed_flux","value":5.65e-05,"value_text":null,"unit":"Jy","err_plus":1.3e-05,"err_minus":1.3e-05,"band":"PAN-STARRS/PS1:y","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":5.81e-05,"value_text":null,"unit":"Jy","err_plus":7.3e-06,"err_minus":7.3e-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":3.23e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"PAN-STARRS/PS1:i","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":1.19e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"PAN-STARRS/PS1:r","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":5.09e-06,"value_text":null,"unit":"Jy","err_plus":8.7e-07,"err_minus":8.7e-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":1.68e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":9.32e-06,"value_text":null,"unit":"Jy","err_plus":1.92e-06,"err_minus":1.92e-06,"band":"Johnson:V","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":1.68e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":9.32e-06,"value_text":null,"unit":"Jy","err_plus":1.92e-06,"err_minus":1.92e-06,"band":"Johnson:V","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000396,"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},{"parameter":"sed_flux","value":8.41e-05,"value_text":null,"unit":"Jy","err_plus":1.48e-05,"err_minus":1.48e-05,"band":"Gaia:G","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.000165,"value_text":null,"unit":"Jy","err_plus":2.6e-05,"err_minus":2.6e-05,"band":"VISTA:Ks","method":"J/A+A/554/A123/table1","source":"vizier","reference":"J/A+A/554/A123/table1","ref_year":null},{"parameter":"sed_flux","value":0.000194,"value_text":null,"unit":"Jy","err_plus":2.6e-05,"err_minus":2.6e-05,"band":"VISTA:H","method":"J/A+A/554/A123/table1","source":"vizier","reference":"J/A+A/554/A123/table1","ref_year":null},{"parameter":"sed_flux","value":0.00018,"value_text":null,"unit":"Jy","err_plus":1.9e-05,"err_minus":1.9e-05,"band":"VISTA:J","method":"J/A+A/554/A123/table1","source":"vizier","reference":"J/A+A/554/A123/table1","ref_year":null},{"parameter":"sed_flux","value":0.000137,"value_text":null,"unit":"Jy","err_plus":2.2e-05,"err_minus":2.2e-05,"band":"Johnson:K","method":"J/A+A/647/A169/catalog","source":"vizier","reference":"J/A+A/647/A169/catalog","ref_year":null},{"parameter":"sed_flux","value":0.000175,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"Johnson:H","method":"J/A+A/647/A169/catalog","source":"vizier","reference":"J/A+A/647/A169/catalog","ref_year":null},{"parameter":"sed_flux","value":0.000172,"value_text":null,"unit":"Jy","err_plus":1.3e-05,"err_minus":1.3e-05,"band":"Johnson:J","method":"J/A+A/647/A169/catalog","source":"vizier","reference":"J/A+A/647/A169/catalog","ref_year":null},{"parameter":"sed_flux","value":0.00229,"value_text":null,"unit":"Jy","err_plus":0.00032,"err_minus":0.00032,"band":":=24um","method":"J/AJ/149/64/catalog","source":"vizier","reference":"J/AJ/149/64/catalog","ref_year":null},{"parameter":"sed_flux","value":6.18e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"I/337/gaia","source":"vizier","reference":"I/337/gaia","ref_year":null},{"parameter":"sed_flux","value":6.18e-05,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-07,"band":"Gaia:G","method":"I/339/hsoy","source":"vizier","reference":"I/339/hsoy","ref_year":null},{"parameter":"sed_flux","value":7.31e-05,"value_text":null,"unit":"Jy","err_plus":1.4e-05,"err_minus":1.4e-05,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":1.83e-05,"value_text":null,"unit":"Jy","err_plus":2e-07,"err_minus":2e-07,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":1.35e-05,"value_text":null,"unit":"Jy","err_plus":2.4e-06,"err_minus":2.4e-06,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=V* V4642 Sgr","fetched_at":"2026-08-16T18:05:26.563344+00:00"},{"source":"gaia-dr3","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-S?Gaia%20DR3%204119225897276223360","fetched_at":"2026-08-16T18:05:34.001635+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=268.791189%20-19.766957&-c.rs=5","fetched_at":"2026-08-16T18:05:41.747303+00:00"}]}