C.D.S. - SIMBAD4 rel 1.8 - 2024.04.16CEST22:52:47 ESO 31-8 --------- Object ESO 31-8 --- Sy1 --- OID=@3195518 (@@72125,16) --- coobox=22932 Coordinates(ICRS,ep=J2000,eq=2000): 03 07 35.3439205584 -72 50 02.596782336 (Opt ) A [0.0253 0.0244 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 03 07 40.5232967434 -73 01 27.604248539 Coordinates(Gal,ep=J2000,eq=2000): 290.3278207922974 -40.7938211724944 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: -0.098 -0.057 [0.031 0.031 90] A 2020yCat.1350....0G Parallax: 0.0051 [0.0253] A 2020yCat.1350....0G Radial Velocity: 8213 [150] C 2022ApJS..261....2K Redshift: 0.02778176 [0.0005] C 2022ApJS..261....2K cz: 8328.7621 [150] C 2022ApJS..261....2K Flux B : 15.11 [~] C 1989ESOLV.C......0L Flux V : 14.98 [~] D 2010A&A...518A..10V Flux G : 15.681441 [0.007283] C 2020yCat.1350....0G Flux R : 14.58 [~] C 1989ESOLV.C......0L Flux J : 12.349 [0.050] C 2006AJ....131.1163S Flux H : 11.540 [0.055] C 2006AJ....131.1163S Flux K : 11.395 [0.085] C 2006AJ....131.1163S Spectral type: ~ ~ ~ Morphological type: 1.0 D 1989ESOLV.C......0L Angular size: 0.387 0.309 145 (NIR ) C 2006AJ....131.1163S Identifiers (21): QSO J0307-7250 Gaia DR3 4642375110242048128 1H 0307-722 ESO 31-8 ESO-LV 31-0080 H 0307-730 LEDA 11706 [HB91] 0307-730 [SBS92] 0307-730 [VV2000c] J030735.0-725004 [VV2003c] J030735.0-725004 [VV2006c] J030735.0-725004 [VV98c] J030735.0-725004 2MASX J03073530-7250021 6dFGS gJ030735.3-725003 [VV2010c] J030735.0-725004 PBC J0307.8-7249 SWIFT J0308.5-7251 2MAXI J0303-726 SWIFT J0308.3-7247 Gaia DR2 4642375110242048128 Bibcodes 1850-2024 () (60): 2022ApJ...924...86Q 2022ApJS..258...29C 2022ApJS..261....2K 2022ApJS..261....4O 2022MNRAS.512..471C 2022Natur.609..915K 2021A&A...645A..18D 2021ApJ...914..121A 2021ApJS..252...29K 2020A&A...639A...5M 2020A&A...640A..31P 2020ApJ...896..122L 2019ApJ...870...31I 2018A&A...609A...9L 2018A&A...615A.167C 2018A&A...618A..81T 2018ApJS..235....4O 2018ApJS..238...32K 2017A&A...607A..48R 2017ApJ...835...74I 2017ApJ...850...74K 2017ApJS..232...21K 2017ApJS..233...17R 2017MNRAS.466.3161S 2016A&A...588A..14T 2016A&A...590A..68R 2016ApJ...818..113N 2016MNRAS.456.3335S 2016MNRAS.459..140M 2015AJ....149..171T 2014ApJ...787..147F 2014ApJ...794...75S 2014ApJ...794..152M 2013ApJS..207...19B 2013ApJS..207...36H 2012ApJ...749...21A 2012ApJS..199...26H 2011MNRAS.416.2840L 2010A&A...518A..10V 2010A&A...524A..64C 2009MNRAS.399..683J 2007AJ....134.1061D 2007ApJ...660.1072W 2006A&A...455..773V 2006AJ....132..321D 2005A&A...443..525S 2003A&A...412...45P 2003AJ....126.1690C 1998ApJS..117...25M 1997MNRAS.292..273W 1996ApJ...459..509F 1995ApJ...439...90M 1992MNRAS.257..659W 1992MNRAS.257..677W 1991ApJS...75..297H 1989ESOLV.C......0L 1988SoSAO..55....5L 1986ApJ...301..742R 1985PASAu...6..147B 1984ApJS...56..507W Measures (herschel:3 PLX:2 PM:2 velocities:8 ): herschel:3PLX:2PM:2velocities:8 Notes (0) : ================================================================================