C.D.S. - SIMBAD4 rel 1.8 - 2024.07.07CEST10:43:05 21 per ------ Object * 21 Per --- a2* --- OID=@1581832 (@@33161,2) --- coobox=12283 Coordinates(ICRS,ep=J2000,eq=2000): 02 57 17.2817216760 +31 56 03.193498176 (Opt ) A [0.1250 0.0901 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 02 54 14.7439208548 +31 44 03.142785918 Coordinates(Gal,ep=J2000,eq=2000): 151.8792179165902 -23.7696860962752 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: 1.790 -30.088 [0.149 0.113 90] A 2020yCat.1350....0G Parallax: 9.3448 [0.1319] A 2020yCat.1350....0G Radial Velocity: 10.67 [1.02] B 2022yCat.1355....0G Redshift: 0.000036 [0.000003] B 2022yCat.1355....0G cz: 10.67 [1.02] B 2022yCat.1355....0G Flux B : 5.081 [0.014] D 2000A&A...355L..27H Flux V : 5.093 [0.009] D 2000A&A...355L..27H Flux G : 5.088136 [0.003151] C 2022yCat.1355....0G Flux J : 5.109 [0.037] C 2003yCat.2246....0C Flux H : 5.243 [0.029] C 2003yCat.2246....0C Flux K : 5.229 [0.020] C 2003yCat.2246....0C Spectral type: A2VspSiEu C 1995ApJS...99..135A Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (33): HIP 13775 Gaia DR3 135525184764395776 TIC 269893489 2MASS J02571727+3156033 PLX 610.1 * 21 Per AG+31 285 BD+31 509 CEL 298 FK5 2205 GC 3544 GCRV 1640 GEN# +1.00018296 GSC 02330-02043 HD 18296 HIC 13775 HR 873 IRAS 02542+3143 N30 604 PPM 67948 ROT 392 SAO 56031 SKY# 4443 TD1 1774 TYC 2330-2043-1 UBV 2847 UBV M 9235 V* LT Per PLX 610.10 Renson 4560 uvby98 100018296 WEB 2727 Gaia DR2 135525184764395776 Bibcodes 1850-2024 () (199): 2024A&A...683A..49Z 2023MNRAS.519..778D 2021A&A...652A..31B 2021ApJS..254...42B 2021MNRAS.501.3568C 2021MNRAS.504.3758P 2020ApJ...901..101S 2020MNRAS.491.2280S 2020MNRAS.493.3293B 2019A&A...623A..72K 2019A&A...631A.145D 2019AstBu..74...66G 2019MNRAS.483.2300S 2019MNRAS.483.3127S 2019MNRAS.490.3158C 2018A&A...620A.172Z 2018MNRAS.480.2953G 2017A&A...597A..58K 2017AJ....153..218C 2017MNRAS.468.2745N 2016ApJ...826..171G 2016AstBu..71...43G 2016BaltA..25...23K 2015A&A...580A..23P 2015Ap.....58...29G 2015ApJ...804..146D 2014MNRAS.443.1629S 2012A&A...546A..61D 2012AJ....143...28F 2012AstL...38..694G 2012MNRAS.427..343M 2011A&A...525A..71W 2011Ap.....54..231G 2011AstBu..66..144G 2011MNRAS.410..735C 2011MNRAS.414.2602D 2011SerAJ.182...35D 2010AstBu..65...34G 2009A&A...498..961R 2009AstBu..64..239R 2009MNRAS.394.1338B 2008ApJ...683.1045H 2008AstBu..63..139R 2008MNRAS.389..869E 2007A&A...474..653V 2007A&A...475.1053A 2007AN....328..475H 2007AstBu..62..244G 2006A&A...450..763K 2006AstL...32..759G 2005A&A...430.1143B 2005AJ....129..809S 2004ApJS..152..251V 2003A&A...407..631B 2002A&A...393..897R 2002A&A...394..151C 2002ApJ...573..359A 2001A&A...367..521P 2001AJ....122.2008A 2000AN....321..115H 2000VeARI..37....1W 1999MNRAS.310..419B 1998A&A...334..181N 1998A&AS..127..421C 1998A&AS..129..431H 1998A&AS..130..215S 1998A&AS..132...93A 1998CoSka..27..423V 1997A&A...323L..49P 1997A&AS..124..299C 1996A&AS..118..481B 1996PAZh...22..924V 1995A&AS..109..177W 1995A&AS..114...79L 1995A&AS..114..269D 1995ApJS...99..135A 1995GCTP..C......0V 1995PAZh...21..190G 1994A&A...291..825R 1994BSAO...38..152G 1994PASP..106..134R 1993A&AS...98..269C 1993A&AS..101..393A 1993PASP..105.1127G 1993yCat.3135....0C 1992A&AS...95..273C 1992AGAb....7..130K 1991A&A...249..401H 1991A&AS...89..429R 1991VeARI..33....1F 1990A&AS...83..251D 1990A&AS...85.1069S 1990AISAO..30...78B 1990ApJS...73...67R 1990PASP..102..328K 1990SoSAO..65....5B 1989A&AS...81..127G 1988A&AS...72..551M 1988AN....309..181R 1987A&A...182..273A 1987A&A...186..223A 1987AISAO..24...44K 1987AISAO..25...13G 1987AISAO..25...24E 1987PAZh...13..508B 1987VilOB..76....8Z 1986AISAO..21...21L 1986AISAO..21...30L 1986AISAO..22...39G 1986AISAO..23...37G 1986AISAO..23...58L 1986ApJ...304..425T 1986NInfo..60..138K 1985A&AS...59..145C 1985A&AS...60...99W 1985AISAO..20...26G 1985PASP...97..970A 1984A&A...141..328N 1984A&AS...55..371C 1984A&AS...57...55S 1984A&AS...58..387N 1982A&A...114...23H 1982BICDS..23...53H 1981A&A....96..380A 1981A&A...101..176F 1981BICDS..21...26B 1980A&A....92..171S 1980A&AS...41..111C 1980A&AS...41..405C 1980IBVS.1841....1W 1980JRASC..74..261J 1979AJ.....84..857A 1979AJ.....84.1726A 1978A&A....63..155J 1978A&A....69..285H 1978A&AS...31...83R 1978A&AS...33...15C 1978ApJS...37..371W 1978MNRAS.182..773R 1977Ap.....12..413G 1977PASP...89..187E 1977PASP...89..650A 1977RMxAA...2..259M 1976A&A....48..383H 1976A&A....51..223M 1976A&AS...26...49H 1976AN....297..189G 1976Ap&SS..43...57B 1976ApJS...31..249P 1976ApJS...32....7B 1975ApJ...195..397A 1974A&A....34..153S 1974Ap.....10..327G 1974ApJ...194...65W 1974PASP...86..241E 1973A&A....22..209S 1973A&A....26..385K 1973ApJS...25..137A 1972A&AS....5..109C 1972ApJ...171..569T 1972ApJ...175..779A 1972BAICz..23..297B 1972SvA....15..744G 1971A&A....10..332M 1971A&A....12....5H 1971A&A....14....1H 1971ApJS...23..213N 1971MNRAS.155..153C 1971PASP...83..571P 1971SvA....15..419K 1970A&AS....1..123V 1970A&AS....1..165J 1970A&AS....1..189F 1970ApJ...160.1071P 1970ApJ...161.1169K 1970MNRAS.147...75D 1969ApJ...158..251P 1968ApJ...154..945S 1967ApJ...150..547P 1967ApJS...15...21W 1967JO.....50..425B 1966ApJ...144...25M 1966ApJ...145..141S 1966GeoOM..21....0C 1966PASP...78..337Z 1966SvA....10...56G 1966SvA....10..955G 1965AnAp...28..679R 1965JO.....48..211B 1964ApJ...139..793S 1962ApJ...136..408S 1960AJ.....65..106C 1960JO.....43..129B 1959JO.....42...45B 1958ApJ...128..228B 1958ApJS....3..141B 1958ZA.....45...35J 1953GCRV..C......0W 1933ApJ....77..330M Measures (diameter:1 distance:2 Fe_H:1 IUE:23 MK:7 PLX:5 PM:7 ROT:4 velocities:9 ): diameter:1distance:2Fe_H:1IUE:23MK:7PLX:5PM:7ROT:4velocities:9 Notes (0) : ================================================================================