{"id":1922973,"slug":"hkpn-m31-9","name":"HKPN M31 9","domain":"deep-sky","class":"nebula","otype":"PN","otype_label":"PlanetaryNeb","ra":9.772083333333333,"dec":40.69611111111111,"coo_err_mas":null,"coo_bibcode":"2006MNRAS.369..120M","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":-384.24594,"redshift":-0.0012808861,"dist_pc":null,"vmag":22.35,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":5,"simbad_oid":1558204,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-26T17:41:14.879238+00:00","views":28,"first_seen":"2026-08-14T16:50:33.190276+00:00","updated_at":"2026-08-14T16:50:33.190276+00:00","identifiers":["[HCB2006] PN-12-1-006","HKPN M31 9","MLA 84","[MMD2006] 3198","[SCM2012b] PN003"],"measurements":[{"parameter":"magnitude","value":22.35,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"V","method":"V","source":"simbad","reference":"2006MNRAS.369..120M","ref_year":2006},{"parameter":"radial_velocity","value":-387.9,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"2012ApJ...758..133S","ref_year":2012},{"parameter":"radial_velocity","value":-377.9,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"2006MNRAS.369..120M","ref_year":2006},{"parameter":"radial_velocity","value":-384.0,"value_text":null,"unit":"km/s","err_plus":6.0,"err_minus":6.0,"band":null,"method":"cz","source":"simbad","reference":"2006MNRAS.369...97H","ref_year":2006},{"parameter":"radial_velocity","value":-379.0,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"2004ApJ...616..804H","ref_year":2004},{"parameter":"sed_flux","value":2.79e-05,"value_text":null,"unit":"Jy","err_plus":4.4e-06,"err_minus":4.4e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.34e-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":8.12e-06,"value_text":null,"unit":"Jy","err_plus":1.8e-07,"err_minus":1.8e-07,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":7.13e-06,"value_text":null,"unit":"Jy","err_plus":3.7e-07,"err_minus":3.7e-07,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":7.36e-06,"value_text":null,"unit":"Jy","err_plus":4.2e-07,"err_minus":4.2e-07,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":4.28e-05,"value_text":null,"unit":"Jy","err_plus":4.3e-06,"err_minus":4.3e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":5.12e-05,"value_text":null,"unit":"Jy","err_plus":4.2e-06,"err_minus":4.2e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":9.58e-05,"value_text":null,"unit":"Jy","err_plus":3e-06,"err_minus":3e-06,"band":"Spitzer/IRAC:5.8","method":"II/368/sstsl2","source":"vizier","reference":"II/368/sstsl2","ref_year":null},{"parameter":"sed_flux","value":5.28e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-07,"band":"Spitzer/IRAC:4.5","method":"II/368/sstsl2","source":"vizier","reference":"II/368/sstsl2","ref_year":null},{"parameter":"sed_flux","value":1.21e-05,"value_text":null,"unit":"Jy","err_plus":1.7e-06,"err_minus":1.7e-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":8.12e-06,"value_text":null,"unit":"Jy","err_plus":1.8e-07,"err_minus":1.8e-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":7.13e-06,"value_text":null,"unit":"Jy","err_plus":5e-07,"err_minus":5e-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":7.36e-06,"value_text":null,"unit":"Jy","err_plus":3.8e-07,"err_minus":3.8e-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":2.79e-05,"value_text":null,"unit":"Jy","err_plus":4.4e-06,"err_minus":4.4e-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":0.00139,"value_text":null,"unit":"Jy","err_plus":3e-05,"err_minus":3e-05,"band":"Spitzer/MIPS:24","method":"J/ApJS/228/5/sources","source":"vizier","reference":"J/ApJS/228/5/sources","ref_year":null},{"parameter":"sed_flux","value":0.000144,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"Spitzer/IRAC:8.0","method":"J/ApJS/228/5/sources","source":"vizier","reference":"J/ApJS/228/5/sources","ref_year":null},{"parameter":"sed_flux","value":8.25e-05,"value_text":null,"unit":"Jy","err_plus":5.3e-06,"err_minus":5.3e-06,"band":"Spitzer/IRAC:5.8","method":"J/ApJS/228/5/sources","source":"vizier","reference":"J/ApJS/228/5/sources","ref_year":null},{"parameter":"sed_flux","value":4.68e-05,"value_text":null,"unit":"Jy","err_plus":1.7e-06,"err_minus":1.7e-06,"band":"Spitzer/IRAC:4.5","method":"J/ApJS/228/5/sources","source":"vizier","reference":"J/ApJS/228/5/sources","ref_year":null},{"parameter":"sed_flux","value":3.94e-05,"value_text":null,"unit":"Jy","err_plus":2.9e-06,"err_minus":2.9e-06,"band":"Spitzer/IRAC:3.6","method":"J/ApJS/228/5/sources","source":"vizier","reference":"J/ApJS/228/5/sources","ref_year":null},{"parameter":"sed_flux","value":6.92e-06,"value_text":null,"unit":"Jy","err_plus":3.3e-07,"err_minus":3.3e-07,"band":"Johnson:V","method":"J/AJ/131/2478/table4","source":"vizier","reference":"J/AJ/131/2478/table4","ref_year":null},{"parameter":"sed_flux","value":6.92e-06,"value_text":null,"unit":"Jy","err_plus":3.3e-07,"err_minus":3.3e-07,"band":"Johnson:V","method":"J/AJ/152/62/catalog","source":"vizier","reference":"J/AJ/152/62/catalog","ref_year":null},{"parameter":"sed_flux","value":1.34e-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":8.14e-06,"value_text":null,"unit":"Jy","err_plus":1.9e-07,"err_minus":1.9e-07,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":7.16e-06,"value_text":null,"unit":"Jy","err_plus":3.7e-07,"err_minus":3.7e-07,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":7.38e-06,"value_text":null,"unit":"Jy","err_plus":4.2e-07,"err_minus":4.2e-07,"band":"SDSS:g","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=HKPN M31 9","fetched_at":"2026-09-26T17:41:05.286443+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=9.772083%20+40.696111&-c.rs=5","fetched_at":"2026-09-26T17:41:14.875249+00:00"}]}