C.D.S. - SIMBAD4 rel 1.8 - 2024.03.29CET00:29:53 TYC 1422-790-1 -------------- Object BD+20 2457 --- * --- OID=@1688560 (@@34931,24) --- coobox=12881 Coordinates(ICRS,ep=J2000,eq=2000): 10 16 44.8671846183 +19 53 29.010025880 (Opt ) A [0.0167 0.0155 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 10 14 00.5201666871 +20 08 30.004793368 Coordinates(Gal,ep=J2000,eq=2000): 216.0446016887764 +53.9524485607105 hierarchy counts: #parents=0, #children=2, #siblings=0 Proper motions: -35.952 -29.961 [0.019 0.018 90] A 2020yCat.1350....0G Parallax: 0.6787 [0.0200] A 2020yCat.1350....0G Radial Velocity: 145.77 [0.19] A 2018yCat.1345....0G Redshift: 0.000486 [0.000001] A 2018yCat.1345....0G cz: 145.81 [0.19] A 2018yCat.1345....0G Flux B : 10.99 [0.08] D 2000A&A...355L..27H Flux V : 9.74 [0.03] D 2000A&A...355L..27H Flux G : 9.234629 [0.002769] C 2020yCat.1350....0G Flux J : 7.299 [0.023] C 2003yCat.2246....0C Flux H : 6.606 [0.021] C 2003yCat.2246....0C Flux K : 6.420 [0.021] C 2003yCat.2246....0C Spectral type: K2 D ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (10): Gaia DR3 625137162857354880 TIC 95359428 AG+20 1166 BD+20 2457 GSC 01422-00790 PPM 127264 TYC 1422-790-1 Gaia DR2 625137162857354880 2MASS J10164485+1953290 Gaia DR1 625137162857354880 Bibcodes 1850-2024 () (58): 2023MNRAS.518.2068G 2023PASJ...75.1030T 2022PASJ...74...92T 2022PASJ...74.1309T 2021A&A...645A...7K 2021A&A...648A..58N 2021ApJ...913L...3P 2021ApJS..256...10D 2020ApJ...890...23L 2020MNRAS.497.4091M 2019A&A...624A..18Q 2019A&A...624A..94M 2019ApJ...876...23G 2019MNRAS.490..359W 2019PASP..131c4401D 2018A&A...615A..31D 2018A&A...619A...2D 2018A&A...619A...2M 2018AJ....155..120H 2018ApJS..239...14J 2018MNRAS.481.4680A 2018PASJ...70...59T 2017A&A...602A..38M 2017A&A...603A..30S 2017A&A...606A..38V 2017AJ....153..136S 2016A&A...585A...5B 2016A&A...585A..73N 2016A&A...587A.119A 2016A&A...588A..98M 2016A&A...591A.118S 2016AJ....152..181H 2016ApJ...819...59S 2015A&A...573A..36N 2015AJ....150..123R 2015ApJ...800...74W 2015MNRAS.451.3131S 2014A&A...568A..64T 2014A&A...569A..55A 2014MNRAS.439.1176H 2013A&A...552A.119S 2013A&A...554A..84M 2013A&A...556A.150S 2013A&A...557A..70M 2013ApJ...762....9S 2013MNRAS.431.1686V 2012A&A...541A..97M 2012A&A...547A..91Z 2012ApJ...745...28G 2012PASJ...64..135S 2011A&A...525A..65P 2011ApJ...741L..23K 2010A&A...509A.103S 2010ApJ...725..721G 2010MNRAS.402.2609I 2010PASJ...62.1063S 2009ApJ...707..768N 1980IBVS.1898....1B Measures (diameter:2 distance:1 Fe_H:6 PLX:3 PM:3 velocities:4 ): diameter:2distance:1Fe_H:6PLX:3PM:3velocities:4 Notes (1) : (S) 11-Jun-2009 - bc ref:~ obj:BD+20 2457 Two substellar companions detected, \object{BD+20 2457b} and \object{BD+20 2457c}, see \exosun{BD20 2457} in the \exoEncyclopedie ================================================================================