{"id":1933762,"slug":"scm2012b-pn254","name":"[SCM2012b] PN254","domain":"deep-sky","class":"nebula","otype":"PN","otype_label":"PlanetaryNeb","ra":10.8475,"dec":41.39775,"coo_err_mas":null,"coo_bibcode":"2006MNRAS.369..120M","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":-304.15414,"redshift":-0.0010140348,"dist_pc":null,"vmag":22.12,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":7,"simbad_oid":1558749,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-30T07:33:04.880338+00:00","views":24,"first_seen":"2026-08-14T16:50:33.190276+00:00","updated_at":"2026-08-14T16:50:33.190276+00:00","identifiers":["Ford M 31 244","MLA 763","[MMD2006] 938","[SCM2012b] PN254"],"measurements":[{"parameter":"magnitude","value":22.436,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"g","method":"V","source":"simbad","reference":"2014ApJ...792..121V","ref_year":2014},{"parameter":"magnitude","value":23.697,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"I","method":"V","source":"simbad","reference":"2014ApJ...792..121V","ref_year":2014},{"parameter":"magnitude","value":22.12,"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":-301.3,"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":-304.0,"value_text":null,"unit":"km/s","err_plus":4.6,"err_minus":4.6,"band":null,"method":"cz","source":"simbad","reference":"2006MNRAS.369...97H","ref_year":2006},{"parameter":"radial_velocity","value":-288.9,"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":"sed_flux","value":1.09e-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":6.36e-06,"value_text":null,"unit":"Jy","err_plus":1.29e-06,"err_minus":1.29e-06,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":6.31e-05,"value_text":null,"unit":"Jy","err_plus":9.7e-06,"err_minus":9.7e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":3.59e-05,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":4.11e-05,"value_text":null,"unit":"Jy","err_plus":4.1e-06,"err_minus":4.1e-06,"band":"PAN-STARRS/PS1:i","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.02e-05,"value_text":null,"unit":"Jy","err_plus":1.3e-06,"err_minus":1.3e-06,"band":"PAN-STARRS/PS1:r","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":6.34e-06,"value_text":null,"unit":"Jy","err_plus":1.29e-06,"err_minus":1.29e-06,"band":"PAN-STARRS/PS1:g","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":6.7e-05,"value_text":null,"unit":"Jy","err_plus":1.1e-06,"err_minus":1.1e-06,"band":"Spitzer/IRAC:4.5","method":"II/368/sstsl2","source":"vizier","reference":"II/368/sstsl2","ref_year":null},{"parameter":"sed_flux","value":8.81e-05,"value_text":null,"unit":"Jy","err_plus":8e-07,"err_minus":8e-07,"band":"Spitzer/IRAC:3.6","method":"II/368/sstsl2","source":"vizier","reference":"II/368/sstsl2","ref_year":null},{"parameter":"sed_flux","value":1.76e-05,"value_text":null,"unit":"Jy","err_plus":6e-07,"err_minus":6e-07,"band":"PAN-STARRS/PS1:z","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":1.64e-05,"value_text":null,"unit":"Jy","err_plus":7e-07,"err_minus":7e-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":1.02e-05,"value_text":null,"unit":"Jy","err_plus":1.3e-06,"err_minus":1.3e-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":5.97e-05,"value_text":null,"unit":"Jy","err_plus":3.2e-06,"err_minus":3.2e-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":6.34e-06,"value_text":null,"unit":"Jy","err_plus":1.29e-06,"err_minus":1.29e-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":8.16e-07,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HST/ACS:F814W","method":"J/ApJ/792/121/table2","source":"vizier","reference":"J/ApJ/792/121/table2","ref_year":null},{"parameter":"sed_flux","value":4.24e-06,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HST/ACS:F475W","method":"J/ApJ/792/121/table2","source":"vizier","reference":"J/ApJ/792/121/table2","ref_year":null},{"parameter":"sed_flux","value":9e-07,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HST/ACS:F814W","method":"J/ApJS/215/9/table5","source":"vizier","reference":"J/ApJS/215/9/table5","ref_year":null},{"parameter":"sed_flux","value":2.45e-07,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HST/ACS:F475W","method":"J/ApJS/215/9/table5","source":"vizier","reference":"J/ApJS/215/9/table5","ref_year":null},{"parameter":"sed_flux","value":0.000212,"value_text":null,"unit":"Jy","err_plus":4.5e-05,"err_minus":4.5e-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":7.03e-05,"value_text":null,"unit":"Jy","err_plus":7.8e-06,"err_minus":7.8e-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":7.81e-05,"value_text":null,"unit":"Jy","err_plus":6.5e-06,"err_minus":6.5e-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":8.14e-05,"value_text":null,"unit":"Jy","err_plus":5.3e-06,"err_minus":5.3e-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":0.000124,"value_text":null,"unit":"Jy","err_plus":1.7e-05,"err_minus":1.7e-05,"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":1.23e-05,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"HST/ACS:F814W","method":"J/ApJS/259/41/table2","source":"vizier","reference":"J/ApJS/259/41/table2","ref_year":null},{"parameter":"sed_flux","value":1.13e-07,"value_text":null,"unit":"Jy","err_plus":1e-08,"err_minus":1e-08,"band":"HST/ACS:F475W","method":"J/ApJS/259/41/table2","source":"vizier","reference":"J/ApJS/259/41/table2","ref_year":null},{"parameter":"sed_flux","value":3.01e-06,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":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":3.01e-06,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":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":7.64e-05,"value_text":null,"unit":"Jy","err_plus":4.28e-05,"err_minus":4.28e-05,"band":"POSS-II:i","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":7.6e-05,"value_text":null,"unit":"Jy","err_plus":3.32e-05,"err_minus":3.32e-05,"band":"POSS-II:F","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":9.3e-06,"value_text":null,"unit":"Jy","err_plus":6.21e-06,"err_minus":6.21e-06,"band":"POSS-II:J","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":6.28e-05,"value_text":null,"unit":"Jy","err_plus":1.93e-05,"err_minus":1.93e-05,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.78e-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}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=[SCM2012b] PN254","fetched_at":"2026-09-30T07:32:56.185031+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=10.847500%20+41.397750&-c.rs=5","fetched_at":"2026-09-30T07:33:04.876130+00:00"}]}