{"id":2350297,"slug":"cl-westerlund-1-w-9","name":"Cl* Westerlund 1 W 9","domain":"deep-sky","class":"star","otype":"WR*","otype_label":"WolfRayet*","ra":251.76725825291004,"dec":-45.84203101962,"coo_err_mas":1.0705,"coo_bibcode":"2020yCat.1350....0G","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":17.47,"bmag":21.8,"gmag":13.674963,"jmag":7.041,"kmag":null,"sp_type":"sgB[e]","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":57,"simbad_oid":3521933,"gaia_dr3":5940106797374722688,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-10-02T08:41:53.104925+00:00","views":21,"first_seen":"2026-08-14T16:51:23.133425+00:00","updated_at":"2026-08-14T16:51:23.133425+00:00","identifiers":["2MASS J16470414-4550312","ALS 20152","[B2007] J164704.17-455031.1","Cl* Westerlund 1 BKS C","Cl* Westerlund 1 W 9","[CMN2008] J164704.1-455031","CXOU J164704.1-455031","Gaia DR2 5940106797374722688","Gaia DR3 5940106797374722688","[SSZ2006] 4","TIC 237051323"],"measurements":[{"parameter":"magnitude","value":13.658828,"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":13.674963,"value_text":null,"unit":"mag","err_plus":0.008554,"err_minus":0.008554,"band":"G","method":"V","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"magnitude","value":14.47,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"R","method":"V","source":"simbad","reference":"2008A&A...477..147C","ref_year":2008},{"parameter":"magnitude","value":11.74,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"I","method":"V","source":"simbad","reference":"2008A&A...477..147C","ref_year":2008},{"parameter":"magnitude","value":17.47,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"V","method":"V","source":"simbad","reference":"2008A&A...477..147C","ref_year":2008},{"parameter":"magnitude","value":21.8,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"B","method":"V","source":"simbad","reference":"2008A&A...477..147C","ref_year":2008},{"parameter":"magnitude","value":7.041,"value_text":null,"unit":"mag","err_plus":0.024,"err_minus":0.024,"band":"J","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"sed_flux","value":2.41,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"I/320/spm4","source":"vizier","reference":"I/320/spm4","ref_year":null},{"parameter":"sed_flux","value":0.0121,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"I/320/spm4","source":"vizier","reference":"I/320/spm4","ref_year":null},{"parameter":"sed_flux","value":0.00292,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:B","method":"I/320/spm4","source":"vizier","reference":"I/320/spm4","ref_year":null},{"parameter":"sed_flux","value":3.95e-05,"value_text":null,"unit":"Jy","err_plus":1.2e-06,"err_minus":1.2e-06,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.00268,"value_text":null,"unit":"Jy","err_plus":0.00012,"err_minus":0.00012,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":5.89e-05,"value_text":null,"unit":"Jy","err_plus":4.2e-06,"err_minus":4.2e-06,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.00212,"value_text":null,"unit":"Jy","err_plus":0.00019,"err_minus":0.00019,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":5.74e-05,"value_text":null,"unit":"Jy","err_plus":9e-07,"err_minus":9e-07,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":5.27e-05,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":2.41,"value_text":null,"unit":"Jy","err_plus":0.05,"err_minus":0.05,"band":"2MASS:J","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000591,"value_text":null,"unit":"Jy","err_plus":9e-06,"err_minus":9e-06,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00212,"value_text":null,"unit":"Jy","err_plus":0.00019,"err_minus":0.00019,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":5.87e-05,"value_text":null,"unit":"Jy","err_plus":9e-07,"err_minus":9e-07,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":5.27e-05,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.00338,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:Hp","method":"I/358/varisum","source":"vizier","reference":"I/358/varisum","ref_year":null},{"parameter":"sed_flux","value":0.00179,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:I","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.00422,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:i","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.00037,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:R","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.00275,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:r","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":2.53,"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":1.71,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:H","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":2.46,"value_text":null,"unit":"Jy","err_plus":0.05,"err_minus":0.05,"band":"Johnson:J","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.08,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"VISTA:Y","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":0.018,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"VISTA:Z","method":"II/348/vvv2","source":"vizier","reference":"II/348/vvv2","ref_year":null},{"parameter":"sed_flux","value":0.0387,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"VISTA:Y","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":0.0159,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"VISTA:Z","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":0.0205,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"VISTA:J","method":"II/376/vvv4","source":"vizier","reference":"II/376/vvv4","ref_year":null},{"parameter":"sed_flux","value":0.0032,"value_text":null,"unit":"Jy","err_plus":0.00043,"err_minus":0.00043,"band":"SkyMapper/SkyMapper:r","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.000134,"value_text":null,"unit":"Jy","err_plus":1.8e-05,"err_minus":1.8e-05,"band":"SkyMapper/SkyMapper:g","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":3.61e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":2.61,"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":1.71,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:H","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":2.46,"value_text":null,"unit":"Jy","err_plus":0.05,"err_minus":0.05,"band":"Johnson:J","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":3.61e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":2.61,"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":1.71,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:H","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":2.46,"value_text":null,"unit":"Jy","err_plus":0.05,"err_minus":0.05,"band":"Johnson:J","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000159,"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":18.6,"value_text":null,"unit":"Jy","err_plus":2.2,"err_minus":2.2,"band":"Johnson:K","method":"B/denis/denis","source":"vizier","reference":"B/denis/denis","ref_year":null},{"parameter":"sed_flux","value":5.92,"value_text":null,"unit":"Jy","err_plus":0.71,"err_minus":0.71,"band":"Johnson:J","method":"B/denis/denis","source":"vizier","reference":"B/denis/denis","ref_year":null},{"parameter":"sed_flux","value":0.0363,"value_text":null,"unit":"Jy","err_plus":0.0013,"err_minus":0.0013,"band":"Cousins:I","method":"B/denis/denis","source":"vizier","reference":"B/denis/denis","ref_year":null},{"parameter":"sed_flux","value":0.00309,"value_text":null,"unit":"Jy","err_plus":0.00013,"err_minus":0.00013,"band":"Gaia:G","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":1.73,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":2.41,"value_text":null,"unit":"Jy","err_plus":0.04,"err_minus":0.04,"band":"2MASS:J","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":360.0,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"IRAS:12","method":"J/ApJS/112/557/table1","source":"vizier","reference":"J/ApJS/112/557/table1","ref_year":null},{"parameter":"sed_flux","value":0.00268,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GAIA/GAIA2:Grp","method":"J/ApJS/245/13/table1","source":"vizier","reference":"J/ApJS/245/13/table1","ref_year":null},{"parameter":"sed_flux","value":0.000437,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/ApJS/245/13/table1","source":"vizier","reference":"J/ApJS/245/13/table1","ref_year":null},{"parameter":"sed_flux","value":5.89e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"GAIA/GAIA2:Gbp","method":"J/ApJS/245/13/table1","source":"vizier","reference":"J/ApJS/245/13/table1","ref_year":null},{"parameter":"sed_flux","value":0.0393,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":":=4.8GHz","method":"J/A+A/461/11/radio","source":"vizier","reference":"J/A+A/461/11/radio","ref_year":null},{"parameter":"sed_flux","value":0.000301,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/618/A93/members","source":"vizier","reference":"J/A+A/618/A93/members","ref_year":null},{"parameter":"sed_flux","value":0.0513,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:I","method":"J/A+A/635/A187/tablea1","source":"vizier","reference":"J/A+A/635/A187/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.00502,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:R","method":"J/A+A/635/A187/tablea1","source":"vizier","reference":"J/A+A/635/A187/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.000374,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/A+A/635/A187/tablea1","source":"vizier","reference":"J/A+A/635/A187/tablea1","ref_year":null},{"parameter":"sed_flux","value":8.12e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:B","method":"J/A+A/635/A187/tablea1","source":"vizier","reference":"J/A+A/635/A187/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.0212,"value_text":null,"unit":"Jy","err_plus":0.0002,"err_minus":0.0002,"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":0.053,"value_text":null,"unit":"Jy","err_plus":0.0002,"err_minus":0.0002,"band":"Gaia:G","method":"J/A+A/664/A146/tableb1","source":"vizier","reference":"J/A+A/664/A146/tableb1","ref_year":null},{"parameter":"sed_flux","value":0.000943,"value_text":null,"unit":"Jy","err_plus":1.1e-05,"err_minus":1.1e-05,"band":"Cousins:I","method":"J/AJ/145/46/table4","source":"vizier","reference":"J/AJ/145/46/table4","ref_year":null},{"parameter":"sed_flux","value":9.39e-06,"value_text":null,"unit":"Jy","err_plus":4e-08,"err_minus":4e-08,"band":"Johnson:V","method":"J/AJ/145/46/table4","source":"vizier","reference":"J/AJ/145/46/table4","ref_year":null},{"parameter":"sed_flux","value":0.45,"value_text":null,"unit":"Jy","err_plus":0.047,"err_minus":0.047,"band":":=350um","method":"J/MNRAS/471/100/hcatalog","source":"vizier","reference":"J/MNRAS/471/100/hcatalog","ref_year":null},{"parameter":"sed_flux","value":1.73,"value_text":null,"unit":"Jy","err_plus":0.12,"err_minus":0.12,"band":":=250um","method":"J/MNRAS/471/100/hcatalog","source":"vizier","reference":"J/MNRAS/471/100/hcatalog","ref_year":null},{"parameter":"sed_flux","value":1.9,"value_text":null,"unit":"Jy","err_plus":0.16,"err_minus":0.16,"band":":=160um","method":"J/MNRAS/471/100/hcatalog","source":"vizier","reference":"J/MNRAS/471/100/hcatalog","ref_year":null},{"parameter":"sed_flux","value":14.3,"value_text":null,"unit":"Jy","err_plus":1.8,"err_minus":1.8,"band":":=70um","method":"J/MNRAS/471/100/hcatalog","source":"vizier","reference":"J/MNRAS/471/100/hcatalog","ref_year":null},{"parameter":"sed_flux","value":0.0162,"value_text":null,"unit":"Jy","err_plus":0.0022,"err_minus":0.0022,"band":"2MASS:Ks","method":"J/MNRAS/472/1760/table1","source":"vizier","reference":"J/MNRAS/472/1760/table1","ref_year":null},{"parameter":"sed_flux","value":0.0156,"value_text":null,"unit":"Jy","err_plus":0.0004,"err_minus":0.0004,"band":"2MASS:H","method":"J/MNRAS/472/1760/table1","source":"vizier","reference":"J/MNRAS/472/1760/table1","ref_year":null},{"parameter":"sed_flux","value":0.0079,"value_text":null,"unit":"Jy","err_plus":0.00066,"err_minus":0.00066,"band":"2MASS:J","method":"J/MNRAS/472/1760/table1","source":"vizier","reference":"J/MNRAS/472/1760/table1","ref_year":null},{"parameter":"sed_flux","value":0.0552,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/MNRAS/504/2968/tablea2","source":"vizier","reference":"J/MNRAS/504/2968/tablea2","ref_year":null},{"parameter":"sed_flux","value":6.94e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/MNRAS/504/2968/tablea2","source":"vizier","reference":"J/MNRAS/504/2968/tablea2","ref_year":null},{"parameter":"sed_flux","value":0.0418,"value_text":null,"unit":"Jy","err_plus":0.0004,"err_minus":0.0004,"band":":=5.0GHz","method":"J/MNRAS/520/1073/catalog","source":"vizier","reference":"J/MNRAS/520/1073/catalog","ref_year":null},{"parameter":"sed_flux","value":0.0504,"value_text":null,"unit":"Jy","err_plus":0.0003,"err_minus":0.0003,"band":":=1.3GHz","method":"J/MNRAS/546/F1849/smgpscsc","source":"vizier","reference":"J/MNRAS/546/F1849/smgpscsc","ref_year":null},{"parameter":"sed_flux","value":0.0422,"value_text":null,"unit":"Jy","err_plus":0.0032,"err_minus":0.0032,"band":":=943","method":"J/other/PASA/43.89/srdr2","source":"vizier","reference":"J/other/PASA/43.89/srdr2","ref_year":null},{"parameter":"sed_flux","value":0.0422,"value_text":null,"unit":"Jy","err_plus":0.0032,"err_minus":0.0032,"band":":=943","method":"J/other/PASA/43.89/comp","source":"vizier","reference":"J/other/PASA/43.89/comp","ref_year":null},{"parameter":"sed_flux","value":1.73,"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":2.41,"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":0.00535,"value_text":null,"unit":"Jy","err_plus":0.00114,"err_minus":0.00114,"band":"POSS-II:F","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":2.66e-05,"value_text":null,"unit":"Jy","err_plus":6.2e-06,"err_minus":6.2e-06,"band":"POSS-II:J","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":2.61,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"I/320/spm4","source":"vizier","reference":"I/320/spm4","ref_year":null},{"parameter":"sed_flux","value":1.73,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"I/320/spm4","source":"vizier","reference":"I/320/spm4","ref_year":null},{"parameter":"spectral_type","value":null,"value_text":"sgB[e]","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020A&A...635A.187C","ref_year":2020}],"orbit":null,"exoplanet":null,"sources":[{"source":"gaia-dr3","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-S?Gaia%20DR3%205940106797374722688","fetched_at":"2026-10-02T08:41:45.174233+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=Cl* Westerlund 1 W 9","fetched_at":"2026-10-02T08:41:39.725624+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=251.767258%20-45.842031&-c.rs=5","fetched_at":"2026-10-02T08:41:53.097287+00:00"}]}