{"id":2131640,"slug":"sgr-arm","name":"Sgr Arm","domain":"deep-sky","class":"galaxy-group","otype":"PoG","otype_label":"PartofG","ra":285.0,"dec":-30.0,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":721,"simbad_oid":2477845,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"2MASS J18595985-2959595","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-14T21:33:12.908896+00:00","views":17,"first_seen":"2026-08-14T16:50:56.835646+00:00","updated_at":"2026-09-06T03:30:06.079676+00:00","identifiers":["Sagittarius Arm","Sgr Arm","Sgr Spiral Arm"],"measurements":[{"parameter":"sed_flux","value":0.000979,"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":0.000767,"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":0.000579,"value_text":null,"unit":"Jy","err_plus":0.000179,"err_minus":0.000179,"band":"POSS-II:i","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.000466,"value_text":null,"unit":"Jy","err_plus":0.000162,"err_minus":0.000162,"band":"POSS-II:F","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.000176,"value_text":null,"unit":"Jy","err_plus":7.3e-05,"err_minus":7.3e-05,"band":"POSS-II:J","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":9.07e-05,"value_text":null,"unit":"Jy","err_plus":3.78e-05,"err_minus":3.78e-05,"band":"Johnson:B","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.00072,"value_text":null,"unit":"Jy","err_plus":9.1e-05,"err_minus":9.1e-05,"band":"2MASS:Ks","method":"I/317/sample","source":"vizier","reference":"I/317/sample","ref_year":null},{"parameter":"sed_flux","value":0.000979,"value_text":null,"unit":"Jy","err_plus":8e-05,"err_minus":8e-05,"band":"2MASS:H","method":"I/317/sample","source":"vizier","reference":"I/317/sample","ref_year":null},{"parameter":"sed_flux","value":0.000767,"value_text":null,"unit":"Jy","err_plus":5.7e-05,"err_minus":5.7e-05,"band":"2MASS:J","method":"I/317/sample","source":"vizier","reference":"I/317/sample","ref_year":null},{"parameter":"sed_flux","value":0.00072,"value_text":null,"unit":"Jy","err_plus":9.1e-05,"err_minus":9.1e-05,"band":"2MASS:Ks","method":"I/319/xpm","source":"vizier","reference":"I/319/xpm","ref_year":null},{"parameter":"sed_flux","value":0.000979,"value_text":null,"unit":"Jy","err_plus":8e-05,"err_minus":8e-05,"band":"2MASS:H","method":"I/319/xpm","source":"vizier","reference":"I/319/xpm","ref_year":null},{"parameter":"sed_flux","value":0.000767,"value_text":null,"unit":"Jy","err_plus":5.7e-05,"err_minus":5.7e-05,"band":"2MASS:J","method":"I/319/xpm","source":"vizier","reference":"I/319/xpm","ref_year":null},{"parameter":"sed_flux","value":0.000979,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"I/327/cmc15","source":"vizier","reference":"I/327/cmc15","ref_year":null},{"parameter":"sed_flux","value":0.000767,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"I/327/cmc15","source":"vizier","reference":"I/327/cmc15","ref_year":null},{"parameter":"sed_flux","value":0.000356,"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":0.000979,"value_text":null,"unit":"Jy","err_plus":8e-05,"err_minus":8e-05,"band":"2MASS:H","method":"I/339/hsoy","source":"vizier","reference":"I/339/hsoy","ref_year":null},{"parameter":"sed_flux","value":0.000767,"value_text":null,"unit":"Jy","err_plus":5.7e-05,"err_minus":5.7e-05,"band":"2MASS:J","method":"I/339/hsoy","source":"vizier","reference":"I/339/hsoy","ref_year":null},{"parameter":"sed_flux","value":0.000356,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"Gaia:G","method":"I/339/hsoy","source":"vizier","reference":"I/339/hsoy","ref_year":null},{"parameter":"sed_flux","value":0.00058,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.000342,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.000196,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":7.02e-05,"value_text":null,"unit":"Jy","err_plus":4.1e-06,"err_minus":4.1e-06,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":7.06e-05,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-07,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":7.48e-05,"value_text":null,"unit":"Jy","err_plus":3.1e-06,"err_minus":3.1e-06,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.000757,"value_text":null,"unit":"Jy","err_plus":1e-05,"err_minus":1e-05,"band":"2MASS:Ks","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000909,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"2MASS:J","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000979,"value_text":null,"unit":"Jy","err_plus":8e-05,"err_minus":8e-05,"band":"2MASS:H","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00068,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000579,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":6.79e-05,"value_text":null,"unit":"Jy","err_plus":2.3e-06,"err_minus":2.3e-06,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000397,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000165,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":7.02e-05,"value_text":null,"unit":"Jy","err_plus":4.1e-06,"err_minus":4.1e-06,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":7.06e-05,"value_text":null,"unit":"Jy","err_plus":4e-07,"err_minus":4e-07,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":7.48e-05,"value_text":null,"unit":"Jy","err_plus":3.1e-06,"err_minus":3.1e-06,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.000732,"value_text":null,"unit":"Jy","err_plus":0.000103,"err_minus":0.000103,"band":"Johnson:K","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.000893,"value_text":null,"unit":"Jy","err_plus":0.000142,"err_minus":0.000142,"band":"Johnson:H","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.000883,"value_text":null,"unit":"Jy","err_plus":9.2e-05,"err_minus":9.2e-05,"band":"Johnson:J","method":"II/246/out","source":"vizier","reference":"II/246/out","ref_year":null},{"parameter":"sed_flux","value":0.000748,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.00068,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000577,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000395,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000165,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":0.000409,"value_text":null,"unit":"Jy","err_plus":2e-05,"err_minus":2e-05,"band":"SkyMapper/SkyMapper:z","method":"II/358/smss","source":"vizier","reference":"II/358/smss","ref_year":null},{"parameter":"sed_flux","value":0.000384,"value_text":null,"unit":"Jy","err_plus":2.7e-05,"err_minus":2.7e-05,"band":"SkyMapper/SkyMapper:i","method":"II/358/smss","source":"vizier","reference":"II/358/smss","ref_year":null},{"parameter":"sed_flux","value":0.000312,"value_text":null,"unit":"Jy","err_plus":2.1e-05,"err_minus":2.1e-05,"band":"SkyMapper/SkyMapper:r","method":"II/358/smss","source":"vizier","reference":"II/358/smss","ref_year":null},{"parameter":"sed_flux","value":0.000246,"value_text":null,"unit":"Jy","err_plus":4.4e-05,"err_minus":4.4e-05,"band":"SkyMapper/SkyMapper:g","method":"II/358/smss","source":"vizier","reference":"II/358/smss","ref_year":null},{"parameter":"sed_flux","value":0.000725,"value_text":null,"unit":"Jy","err_plus":4e-05,"err_minus":4e-05,"band":"VISTA:Ks","method":"II/359/vhs_dr4","source":"vizier","reference":"II/359/vhs_dr4","ref_year":null},{"parameter":"sed_flux","value":0.000925,"value_text":null,"unit":"Jy","err_plus":2.1e-05,"err_minus":2.1e-05,"band":"VISTA:J","method":"II/359/vhs_dr4","source":"vizier","reference":"II/359/vhs_dr4","ref_year":null},{"parameter":"sed_flux","value":0.000177,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.000374,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.000403,"value_text":null,"unit":"Jy","err_plus":9e-06,"err_minus":9e-06,"band":"SkyMapper/SkyMapper:z","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.000415,"value_text":null,"unit":"Jy","err_plus":8e-06,"err_minus":8e-06,"band":"SkyMapper/SkyMapper:i","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.000372,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"SkyMapper/SkyMapper:r","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.000266,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"SkyMapper/SkyMapper:g","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.000748,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-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":0.00068,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":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":0.000577,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-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":0.000395,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"PAN-STARRS/PS1:r","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.000165,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"PAN-STARRS/PS1:g","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":0.00072,"value_text":null,"unit":"Jy","err_plus":9.1e-05,"err_minus":9.1e-05,"band":"2MASS:Ks","method":"IV/34/epic","source":"vizier","reference":"IV/34/epic","ref_year":null},{"parameter":"sed_flux","value":0.000979,"value_text":null,"unit":"Jy","err_plus":8e-05,"err_minus":8e-05,"band":"2MASS:H","method":"IV/34/epic","source":"vizier","reference":"IV/34/epic","ref_year":null},{"parameter":"sed_flux","value":0.000767,"value_text":null,"unit":"Jy","err_plus":5.7e-05,"err_minus":5.7e-05,"band":"2MASS:J","method":"IV/34/epic","source":"vizier","reference":"IV/34/epic","ref_year":null},{"parameter":"sed_flux","value":0.00072,"value_text":null,"unit":"Jy","err_plus":9.1e-05,"err_minus":9.1e-05,"band":"2MASS:Ks","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00097,"value_text":null,"unit":"Jy","err_plus":8e-05,"err_minus":8e-05,"band":"Johnson:H","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000783,"value_text":null,"unit":"Jy","err_plus":5.8e-05,"err_minus":5.8e-05,"band":"Johnson:J","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000313,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000257,"value_text":null,"unit":"Jy","err_plus":1.1e-05,"err_minus":1.1e-05,"band":"Johnson:V","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.000208,"value_text":null,"unit":"Jy","err_plus":2.6e-05,"err_minus":2.6e-05,"band":"Johnson:B","method":"IV/38/tic","source":"vizier","reference":"IV/38/tic","ref_year":null},{"parameter":"sed_flux","value":0.00072,"value_text":null,"unit":"Jy","err_plus":9.1e-05,"err_minus":9.1e-05,"band":"2MASS:Ks","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00097,"value_text":null,"unit":"Jy","err_plus":8e-05,"err_minus":8e-05,"band":"Johnson:H","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000783,"value_text":null,"unit":"Jy","err_plus":5.8e-05,"err_minus":5.8e-05,"band":"Johnson:J","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000313,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000257,"value_text":null,"unit":"Jy","err_plus":1.1e-05,"err_minus":1.1e-05,"band":"Johnson:V","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.000208,"value_text":null,"unit":"Jy","err_plus":2.6e-05,"err_minus":2.6e-05,"band":"Johnson:B","method":"IV/39/tic82","source":"vizier","reference":"IV/39/tic82","ref_year":null},{"parameter":"sed_flux","value":0.00028,"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":0.00101,"value_text":null,"unit":"Jy","err_plus":0.00017,"err_minus":0.00017,"band":"Johnson:J","method":"B/denis/denis","source":"vizier","reference":"B/denis/denis","ref_year":null},{"parameter":"sed_flux","value":0.000643,"value_text":null,"unit":"Jy","err_plus":4.2e-05,"err_minus":4.2e-05,"band":"Cousins:I","method":"B/denis/denis","source":"vizier","reference":"B/denis/denis","ref_year":null},{"parameter":"sed_flux","value":0.000979,"value_text":null,"unit":"Jy","err_plus":7.9e-05,"err_minus":7.9e-05,"band":"2MASS:H","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.000767,"value_text":null,"unit":"Jy","err_plus":5.6e-05,"err_minus":5.6e-05,"band":"2MASS:J","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.000668,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"Gaia:G","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":0.000724,"value_text":null,"unit":"Jy","err_plus":0.000397,"err_minus":0.000397,"band":"VISTA:Ks","method":"J/MNRAS/436/413/table1","source":"vizier","reference":"J/MNRAS/436/413/table1","ref_year":null},{"parameter":"sed_flux","value":0.000921,"value_text":null,"unit":"Jy","err_plus":0.000421,"err_minus":0.000421,"band":"VISTA:J","method":"J/MNRAS/436/413/table1","source":"vizier","reference":"J/MNRAS/436/413/table1","ref_year":null},{"parameter":"sed_flux","value":0.000765,"value_text":null,"unit":"Jy","err_plus":1.1e-05,"err_minus":1.1e-05,"band":"VISTA:Z","method":"J/MNRAS/436/413/table1","source":"vizier","reference":"J/MNRAS/436/413/table1","ref_year":null},{"parameter":"sed_flux","value":0.00067,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/MNRAS/507/318/table2","source":"vizier","reference":"J/MNRAS/507/318/table2","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=Sgr Arm","fetched_at":"2026-09-14T21:33:05.769836+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=2MASS J18595985-2959595","fetched_at":"2026-09-14T21:33:07.222654+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=285.000000%20-30.000000&-c.rs=5","fetched_at":"2026-09-14T21:33:12.907063+00:00"}]}