C.D.S. - SIMBAD4 rel 1.8 - 2023.03.22CET17:36:11 GAIA DR2 5060105892897388288 ---------------------------- Object HD 20781 --- PM* --- OID=@636294 (@@12685,4) --- coobox=6791 Coordinates(ICRS,ep=J2000,eq=2000): 03 20 02.9428582501 -28 47 01.790465531 (Opt ) A [0.0097 0.0155 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 03 17 55.9908331776 -28 57 46.275645176 Coordinates(Gal,ep=J2000,eq=2000): 224.6724699708655 -57.2733646671226 hierarchy counts: #parents=1, #children=4, #siblings=0 Proper motions: 348.869 -66.614 [0.015 0.019 90] A 2020yCat.1350....0G Parallax: 27.8123 [0.0239] A 2020yCat.1350....0G Radial Velocity: 40.14 [0.36] A 2011AAS...21743412C Redshift: 0.000134 [0.000001] A 2011AAS...21743412C cz: 40.14 [0.36] A 2011AAS...21743412C Flux B : 9.263 [0.017] D 2000A&A...355L..27H Flux V : 8.44 [0.01] D 2000A&A...355L..27H Flux G : 8.248520 [0.002757] C 2020yCat.1350....0G Flux R : 8.17 [~] D 2009yCat.1315....0Z Flux I : 8.43 [0.04] C 2005yCat.2263....0D Flux J : 7.045 [0.024] C 2003yCat.2246....0C Flux H : 6.642 [0.042] C 2003yCat.2246....0C Flux K : 6.553 [0.023] C 2003yCat.2246....0C Spectral type: G9.5V C 2006AJ....132..161G Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (30): Gaia DR3 5060105897197110144 Gaia DR2 5060105897195702656 Gaia DR2 5060105892897388288 WISE J032003.20-284702.3 UCAC4 307-003368 TIC 144503312 2MASS J03200291-2847016 CCDM J03201-2850B CD-29 1229 CPD-29 381 GEN# +1.00020781 HD 20781 HIC 15526 HIP 15526 IDS 03159-2913 B LTT 1581 NLTT 10635 PPM 246111 SAO 168468 YZ 118 1283 uvby98 100020781 WDS J03201-2851B TYC 6445-983-1 GSC 06445-00983 UCAC2 19813633 UCAC3 123-7437 ** LDS 93B DENIS J032002.9-284701 WISEA J032003.21-284702.4 Gaia DR1 5060105892897388288 Bibcodes 1850-2023 () (109): 2022A&A...665A.157L 2022A&A...668A.174G 2021A&A...646A..77G 2021A&A...647A.162P 2021A&A...655A..99D 2021AJ....162..272S 2021AJ....162..291J 2021ApJ...909..115C 2021ApJ...920...94E 2021ApJS..254...42B 2021MNRAS.505..830C 2021MNRAS.508.1227L 2021NatAs...5.1163S 2020A&A...634A.136C 2020A&A...636A..74T 2020A&A...641A.110G 2020A&A...643A.106B 2020ApJ...890...23L 2020ApJS..247...11R 2020MNRAS.497.4091M 2019A&A...622A..37U 2019A&A...623A..72K 2019A&A...624A..78D 2019A&A...625A..39S 2019A&A...628A.126M 2019MNRAS.490.2448R 2019MNRAS.490.3158C 2018A&A...609A.116R 2018A&A...614A.138L 2018A&A...615A..49C 2018A&A...615A..76S 2018A&A...615A.172M 2018A&A...616A.108B 2018AJ....155...68W 2018AJ....155..111L 2018ApJ...854..138O 2018MNRAS.475.2253A 2018MNRAS.479.3690B 2017A&A...599A..96S 2017A&A...601A.117G 2017A&A...603A..30S 2017A&A...605A..72L 2017A&A...606A..94D 2017A&A...607A.124M 2017A&A...608A.116C 2017AJ....153..257O 2017AJ....154..115H 2017MNRAS.465.2170H 2017MNRAS.472..675A 2016A&A...588A..81S 2016A&A...591A.118S 2016A&A...595A..59M 2016AJ....152..181H 2016ApJ...817..112S 2016ApJ...818...54M 2016ApJ...819...19T 2016ApJ...821...65K 2016ApJ...826..171G 2016ApJS..224...36K 2015A&A...575A.111D 2015A&A...576A..89B 2015A&A...580A..23P 2015A&A...583A.135B 2015ApJ...801L..10T 2015ApJ...808...13R 2014A&A...562A.108S 2014A&A...566A..66G 2014A&A...566A..83M 2014A&A...572A..49N 2014AJ....148...54H 2014ApJ...787...98M 2014ApJ...790...91S 2014ApJ...790L..25M 2014MNRAS.445.2223P 2013A&A...551A.112M 2013A&A...551L...8P 2013A&A...552A.119S 2013A&A...555A.150T 2013A&A...556A.150S 2013A&A...557A.128C 2012A&A...542A..92R 2012A&A...545A..32A 2012A&A...546A..61D 2011A&A...530A.138C 2011A&A...533A..90D 2011ApJ...735...41P 2010A&A...515A.111S 2010ApJ...725..875I 2010ApJ...725.2349D 2009A&A...501..941H 2008A&A...487..373S 2007A&A...462..345D 2007A&A...474..653V 2006A&A...450..735M 2006AJ....132..161G 2004A&A...418..989N 2004ApJS..150..455G 2003ApJ...582.1011S 1997A&A...323L..49P 1995yCat.1098....0L 1994A&AS..104..429O 1993yCat.3135....0C 1985ApJS...59..197B 1982MSS...C03....0H 1980AcA....30..453G 1962ApJ...136..793W 1958AJ.....63..246V 1956AJ.....61..361E 1955AJ.....60...65E Measures (distance:2 Fe_H:15 MK:4 PLX:5 PM:5 ROT:2 velocities:5 ): distance:2Fe_H:15MK:4PLX:5PM:5ROT:2velocities:5 Notes (1) : (S) 13-Sep-2011 - bc ref:~ obj:TYC 6445-983-1 Two substellar companions detected, \object{HD 20781b} and \object{HD 20781c}, see also \exosun{HD 20781} in the \exoEncyclopedie. ================================================================================