C.D.S. - SIMBAD4 rel 1.8 - 2024.04.24CEST20:18:43 HIP 4257 -------- Object * 21 Cet --- PM* --- OID=@1334512 (@@27496,1) --- coobox=10691 Coordinates(ICRS,ep=J2000,eq=2000): 00 54 17.5927919832 -08 44 26.390035212 (Opt ) A [0.0222 0.0120 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 00 51 46.1706940955 -09 00 39.605492654 Coordinates(Gal,ep=J2000,eq=2000): 125.1676255251362 -71.6000157054351 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: 16.743 -48.222 [0.042 0.026 90] A 2020yCat.1350....0G Parallax: 7.9239 [0.0253] A 2020yCat.1350....0G Radial Velocity: 46.57 [0.18] A 2018yCat.1345....0G Redshift: 0.000155 [0.000001] A 2018yCat.1345....0G cz: 46.57 [0.18] A 2018yCat.1345....0G Flux B : 7.086 [0.016] D 2000A&A...355L..27H Flux V : 6.161 [0.010] D 2000A&A...355L..27H Flux G : 5.902423 [0.002766] C 2020yCat.1350....0G Flux J : 4.513 [0.01] B 2012MNRAS.419.1637L Flux H : 4.019 [0.01] B 2012MNRAS.419.1637L Flux K : 3.910 [0.01] B 2012MNRAS.419.1637L Spectral type: G8III C 1999MSS...C05....0H Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (26): HIP 4257 Gaia DR3 2474456351444863744 TIC 398671433 2MASS J00541760-0844264 * 21 Cet BD-09 181 GC 1082 GCRV 508 GEN# +1.00005268 GSC 05270-00199 HD 5268 HERZ 135 HIC 4257 HR 255 IRAS 00517-0900 PPM 182801 SAO 129019 SKY# 1396 TYC 5270-199-1 UBV 802 UBV M 7752 YZ 99 182 [AKS95] 168 uvby98 100005268 WEB 762 Gaia DR2 2474456351444863744 Bibcodes 1850-2024 () (80): 2024A&A...682A.145S 2021A&A...647A.162P 2021ApJS..254...42B 2020A&A...639A..67N 2020MNRAS.491.2025C 2019A&A...623A..72K 2019ApJ...880...49H 2019MNRAS.483..299G 2019MNRAS.490.3158C 2018AJ....155..240A 2016A&A...591A.118S 2016PASP..128f4202S 2015A&A...580A..23P 2015AJ....150...66P 2015AJ....150...88L 2014AJ....148...54H 2014ApJ...785...94L 2013A&A...551L...8P 2013A&A...553A..95M 2012A&A...546A..61D 2012MNRAS.419.1637L 2012MNRAS.427..343M 2011A&A...531A.165P 2011MNRAS.414.1227M 2010A&A...513A..35A 2010A&A...515A.111S 2010MNRAS.408.1225P 2010MNRAS.409.1213T 2010PASJ...62.1071L 2008A&A...484L..21M 2007A&A...474..653V 2007MNRAS.374..664C 2007MNRAS.382..553L 2006AstL...32..759G 2006MNRAS.371..703S 2004ApJ...613..312F 2003A&A...398..721T 2003A&A...398..731T 2003A&A...402..343T 2003A&A...402.1073G 2003A&A...405..723D 2002AcA....52..159K 2001A&A...373..159C 2001ApJ...551L..85Z 2000A&A...357..931D 2000ApJ...531..159K 1999A&A...345..936L 1999A&AS..139..433D 1999AcA....49..319P 1999MSS...C05....0H 1998A&AS..129..431H 1998AJ....116.1922A 1997A&A...323L..49P 1997A&AS..124..299C 1996AN....317...49A 1996BaltA...5....1B 1995A&AS..114..269D 1995AJ....109.2828T 1995AN....316..225A 1995BaltA...4...25Z 1994PASP..106..452T 1993A&A...274..203L 1993A&AS..101..551L 1993AJ....106...80E 1993yCat.3135....0C 1992A&AS...95..273C 1991ApJS...76..383D 1991ApJS...76..715T 1989A&A...214..239B 1989A&A...219..219G 1989PASP..101..366E 1987A&AS...71..539M 1986A&A...160..264F 1986ApJS...61..667N 1985A&A...151..189B 1984A&AS...57..443O 1974AJ.....79..682H 1970ApJS...19..387A 1966AJ.....71..709C 1953GCRV..C......0W Measures (distance:2 Fe_H:12 MK:2 PLX:4 PM:5 velocities:6 ): distance:2Fe_H:12MK:2PLX:4PM:5velocities:6 Notes (0) : ================================================================================