{"id":2136229,"slug":"pn-swst-1","name":"PN SwSt 1","domain":"deep-sky","class":"nebula","otype":"PN","otype_label":"PlanetaryNeb","ra":274.05118087682,"dec":-30.868862938609997,"coo_err_mas":0.1055,"coo_bibcode":"2020yCat.1350....0G","plx_mas":0.3432,"pmra":-6.238,"pmdec":-1.72,"rv_kms":-8.1,"redshift":-2.7018326e-05,"dist_pc":null,"vmag":11.1,"bmag":12.1,"gmag":11.842378,"jmag":10.517,"kmag":8.986,"sp_type":"[WC9/10]","morph_type":null,"size_maj":0.05,"size_min":0.02913,"size_angle":2.0,"nbref":302,"simbad_oid":2473511,"gaia_dr3":4049331244394134912,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-10-20T14:27:09.290547+00:00","views":29,"first_seen":"2026-08-14T16:50:56.835646+00:00","updated_at":"2026-08-14T16:50:56.835646+00:00","identifiers":["2MASS J18161228-3052078","AAVSO 1809-30B","AT20G J181612-305208","CD-30 15469","CPD-30 5412","EM* MWC 288","ESO 457-2","Gaia DR2 4049331244394134912","Gaia DR3 4049331244394134912","GSC2 S3012112588","HD 167362","Hen 2-377","HIC 89535","HIP 89535","IRAS 18129-3053","JP11 2952","MHA 304-41","PK 001-06 2","PN G001.5-06.7","PN Sa 2-319","PN StWr 2-12","PN SwSt 1","PN VV 164","PN VV' 378","SCM 196","SS73 149","TIC 61430026","TYC 7392-886-1","WISE J181612.27-305207.9","WRAY 16-397"],"measurements":[{"parameter":"distance","value":2.853,"value_text":null,"unit":"kpc","err_plus":0.57,"err_minus":-0.57,"band":null,"method":null,"source":"simbad","reference":"2010ApJ...714.1096S","ref_year":2010},{"parameter":"magnitude","value":11.842378,"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":11.842378,"value_text":null,"unit":"mag","err_plus":0.005587,"err_minus":0.005587,"band":"G","method":"V","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"magnitude","value":8.986,"value_text":null,"unit":"mag","err_plus":0.029,"err_minus":0.029,"band":"K","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":10.517,"value_text":null,"unit":"mag","err_plus":0.035,"err_minus":0.035,"band":"J","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":10.151,"value_text":null,"unit":"mag","err_plus":0.044,"err_minus":0.044,"band":"H","method":null,"source":"simbad","reference":"2003yCat.2246....0C","ref_year":2003},{"parameter":"magnitude","value":11.1,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"V","method":"V","source":"simbad","reference":"2002yCat.2237....0D","ref_year":2002},{"parameter":"magnitude","value":12.1,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"B","method":null,"source":"simbad","reference":null,"ref_year":null},{"parameter":"parallax","value":0.34319537238248654,"value_text":null,"unit":"mas","err_plus":0.10996093,"err_minus":0.10996093,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"parallax","value":0.3432,"value_text":null,"unit":"mas","err_plus":0.11,"err_minus":0.11,"band":null,"method":null,"source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"parallax","value":11.61,"value_text":null,"unit":"mas","err_plus":8.81,"err_minus":8.81,"band":null,"method":null,"source":"simbad","reference":"2007A&A...474..653V","ref_year":2007},{"parameter":"parallax","value":8.93,"value_text":null,"unit":"mas","err_plus":6.04,"err_minus":6.04,"band":null,"method":null,"source":"simbad","reference":"1997A&A...323L..49P","ref_year":1997},{"parameter":"pm_dec","value":-1.720009834824963,"value_text":null,"unit":"mas/yr","err_plus":0.09485195,"err_minus":0.09485195,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_dec","value":-1.72,"value_text":null,"unit":"mas/yr","err_plus":0.095,"err_minus":0.095,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_dec","value":-9.615,"value_text":null,"unit":"mas/yr","err_plus":1.599,"err_minus":1.599,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_dec","value":-13.63,"value_text":null,"unit":"mas/yr","err_plus":6.98,"err_minus":6.98,"band":null,"method":"ICRS","source":"simbad","reference":"2007A&A...474..653V","ref_year":2007},{"parameter":"pm_dec","value":-17.76,"value_text":null,"unit":"mas/yr","err_plus":4.62,"err_minus":4.62,"band":null,"method":"ICRS","source":"simbad","reference":"1997A&A...323L..49P","ref_year":1997},{"parameter":"pm_ra","value":-6.2383843176164575,"value_text":null,"unit":"mas/yr","err_plus":0.13315767,"err_minus":0.13315767,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"pm_ra","value":-6.238,"value_text":null,"unit":"mas/yr","err_plus":0.133,"err_minus":0.133,"band":null,"method":"ICRS","source":"simbad","reference":"2020yCat.1350....0G","ref_year":2020},{"parameter":"pm_ra","value":2.993,"value_text":null,"unit":"mas/yr","err_plus":1.689,"err_minus":1.689,"band":null,"method":"ICRS","source":"simbad","reference":"2018yCat.1345....0G","ref_year":2018},{"parameter":"pm_ra","value":-26.07,"value_text":null,"unit":"mas/yr","err_plus":11.56,"err_minus":11.56,"band":null,"method":"ICRS","source":"simbad","reference":"2007A&A...474..653V","ref_year":2007},{"parameter":"pm_ra","value":-27.68,"value_text":null,"unit":"mas/yr","err_plus":7.81,"err_minus":7.81,"band":null,"method":"ICRS","source":"simbad","reference":"1997A&A...323L..49P","ref_year":1997},{"parameter":"radial_velocity","value":-8.1,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"V","source":"simbad","reference":"2001MNRAS.328..527D","ref_year":2001},{"parameter":"ruwe","value":3.7710228,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Gaia DR3","source":"gaia-dr3","reference":"2023A&A...674A...1G","ref_year":2023},{"parameter":"spectral_type","value":null,"value_text":"[WC10]","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2004A&A...427..231G","ref_year":2004},{"parameter":"spectral_type","value":null,"value_text":"[WC9]pec","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2003A&A...403..659A","ref_year":2003},{"parameter":"spectral_type","value":null,"value_text":"[WC9/10]","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2002AJ....124..464D","ref_year":2002},{"parameter":"spectral_type","value":null,"value_text":"[WC9]","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"1998A&A...330..265L","ref_year":1998},{"parameter":"spectral_type","value":null,"value_text":"[WC9]","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"1982IAUS...99..457M","ref_year":1982},{"parameter":"spectral_type","value":null,"value_text":"WR/Of","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"1969ApJ...157.1245S","ref_year":1969},{"parameter":"spectral_type","value":null,"value_text":"[WC9]","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"1940PNAS...26..454S","ref_year":1940}],"orbit":null,"exoplanet":null,"sources":[{"source":"gaia-dr3","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-S?Gaia%20DR3%204049331244394134912","fetched_at":"2026-10-20T14:27:07.162181+00:00"},{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=PN SwSt 1","fetched_at":"2026-10-20T14:27:06.785753+00:00"}]}