C.D.S. - SIMBAD4 rel 1.8 - 2024.04.25CEST12:03:13 GJ 229 B -------- Object HD 42581B --- BD* --- OID=@864867 (@@127400,13) --- coobox=7339 Coordinates(ICRS,ep=J2000,eq=2000): 06 10 34.80 -21 52 00.0 (~) C [~ ~ ] 2009AJ....137....1F Coordinates(FK4,ep=B1950,eq=1950): 06 08 28.33 -21 50 42.7 Coordinates(Gal,ep=J2000,eq=2000): 228.61456 -18.43930 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: -137.0 -714.1 [0.9 0.6 0] D 2009AJ....137....1F Parallax: 173.19 [1.12] C 2012ApJ...752...56F Radial Velocity: ~ [~ ~ ] ~ ~ Redshift: ~ [~ ~ ] ~ ~ cz: ~ [~ ~ ] ~ ~ Flux J : 14.01 [0.05] C 2012ApJ...752...56F Flux H : 14.36 [0.05] C 2012ApJ...752...56F Flux K : 14.36 [0.05] C 2012ApJ...752...56F Spectral type: T6.5 C 2000ApJ...531L..57B Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (6): GJ 229 B 8pc 173.19B [B2006] J061035.1-215117 WDS J06106-2152B ** NAJ 1B HD 42581B Bibcodes 1850-2024 () (504): 2024ApJ...963...67C 2023A&A...671A.119C 2023A&A...678A.105Z 2023A&A...680A..64D 2023AJ....165..164B 2023AJ....165..238M 2023AJ....166..225S 2023ApJ...945..126G 2023ApJ...951L..25H 2023ApJ...959...86L 2023MNRAS.519.1381W 2023MNRAS.521.5761G 2023MNRAS.523.4477L 2023MNRAS.525.1375W 2022AJ....163...50F 2022ApJ...926L..12S 2022ApJ...933..163P 2022ApJ...935..107H 2022ApJ...940..164C 2022ApJS..262...21F 2022MNRAS.509.4411D 2022MNRAS.514.3160T 2021A&A...650A.201R 2021A&A...651A..71L 2021AJ....161...42B 2021AJ....161..106B 2021AJ....162..230B 2021AJ....162..301B 2021ApJ...911....7Z 2021ApJ...913L..26B 2021ApJ...919...21G 2021ApJ...920...85M 2021ApJ...921...95Z 2021ApJ...923..119G 2021ApJS..253....7K 2021MNRAS.507.2856F 2020A&A...633L...2M 2020A&A...635A.203R 2020A&A...637A..38P 2020A&A...639A..47M 2020AJ....159...63B 2020AJ....160...15G 2020AJ....160...63M 2020AJ....160..196B 2020ApJ...888..102L 2020ApJ...891..171Z 2020ApJ...896..173P 2020ApJS..246...11F 2020MNRAS.495.1136S 2020MNRAS.497.5136P 2020RAA....20...99Z 2019A&A...623A..72K 2019A&A...626A..31S 2019A&A...630A..50B 2019A&A...631A.155B 2019AJ....158..140B 2019ApJS..240...19K 2019MNRAS.485.4423S 2019MNRAS.486.1260Z 2018A&A...618A..63B 2018ApJS..236...28T 2017MNRAS.468.3499D 2016A&A...587A..55V 2016A&A...589A..26B 2016AJ....152...78L 2016ApJ...822...75H 2016ApJ...830...85R 2016ApJ...833...96L 2016MNRAS.455.1341M 2016PASJ...68...13T 2015A&A...579A..58L 2015AJ....150...53N 2015ARA&A..53..279M 2015ApJ...807..183L 2015ApJ...810..158F 2015MNRAS.446.2337S 2015MNRAS.448.3679P 2015MNRAS.450..454C 2015MNRAS.450.2486C 2014A&A...561A..66R 2014A&A...562A.127B 2014A&A...566A..83M 2014A&ARv..22...80H 2014AJ....148..129A 2014ApJ...780..166M 2014ApJ...781...28M 2014ApJ...789....2R 2014MNRAS.437.2686P 2014MNRAS.440.3675S 2014MNRAS.445.3694D 2013A&A...549A.131A 2013A&A...554A..95P 2013A&A...554A.113H 2013A&A...560A..52M 2013A&ARv..21...63T 2013ApJ...764..101B 2013ApJ...768..125B 2013ApJ...771...49Y 2013ApJ...776...85S 2013ApJ...777...36M 2013ApJS..205....6M 2013MNRAS.435.1888B 2012A&A...540A..85P 2012A&A...548A..53L 2012AJ....143....2N 2012AJ....144...64D 2012ARA&A..50...65L 2012ApJ...745...26B 2012ApJ...746...23M 2012ApJ...750...74S 2012ApJ...752...56F 2012ApJ...752L..14M 2012ApJ...753..156K 2012ApJ...754..135M 2012ApJ...755...94D 2012ApJ...756..172M 2012ApJ...757..100D 2012ApJ...758...57L 2012ApJ...760..151S 2012ApJS..201...19D 2012MNRAS.419.1913B 2012MNRAS.424..779K 2011A&A...529A..44W 2011AJ....141...54A 2011AJ....141..203A 2011AJ....142...64M 2011ApJ...729..139W 2011ApJ...730L...9L 2011ApJ...735..111H 2011ApJ...737...15M 2011ApJ...738...32L 2011ApJ...738...72V 2011ApJ...740..108L 2011MNRAS.412.2071C 2011MNRAS.414..575M 2011MNRAS.414.3590B 2011PASJ...63.1071S 2010A&A...509A..52C 2010A&A...510A..99K 2010A&ARv..18..317A 2010AJ....139.2455E 2010AJ....140..713N 2010AJ....140.1868W 2010ApJ...710.1627L 2010ApJ...716..417H 2010ApJ...716.1060V 2010ApJ...718L..38A 2010ApJ...719L..90H 2010ApJ...720..252L 2010ApJ...722..682Y 2010BASI...38....1G 2010MNRAS.405.1140G 2010MNRAS.406.1885B 2010PABei..28...53J 2010RPPh...73a6901B 2009A&A...493.1149Z 2009A&A...497..619Z 2009A&A...500..561G 2009A&A...501.1059D 2009A&A...505..859Z 2009AJ....137....1F 2009AJ....137..218C 2009AJ....138...63M 2009ARA&A..47..253O 2009ApJ...695..844G 2009ApJ...707L.123T 2009MNRAS.395.1237B 2009MNRAS.395.1631L 2009MNRAS.397..258L 2009PABei..27..247J 2008A&A...480..193G 2008A&A...482..961D 2008A&A...483..869K 2008A&A...491..311S 2008AJ....135.2024A 2008ARA&A..46...57E 2008ApJ...678.1372C 2008ApJ...682.1256L 2008ApJ...683.1104F 2008ApJ...689..471R 2008ApJ...689.1327S 2008MNRAS.383..831P 2008MNRAS.388..838D 2008PNAOC...5..349Z 2007A&A...466..323J 2007A&G....48c..27L 2007AJ....133..971A 2007AJ....134.1162L 2007ApJ...654..558D 2007ApJ...654..570L 2007ApJ...655..541M 2007ApJ...655.1079L 2007ApJ...656.1136S 2007ApJ...657.1064M 2007ApJ...659..655B 2007ApJ...659..675R 2007ApJ...660.1507L 2007ApJ...662.1245M 2007ApJ...667..537L 2007ApJ...668..492A 2007ApJ...669.1248H 2007AstBu..62..117M 2007MNRAS.374..910E 2007MNRAS.378..901F 2007MNRAS.379.1423L 2007MNRAS.380.1285P 2007MNRAS.381.1400W 2006A&A...456.1165C 2006ApJ...637.1067B 2006ApJ...640.1063B 2006ApJ...641L.141B 2006ApJ...647..552S 2006ApJ...648..614C 2006ApJ...648..629B 2006ApJ...648.1181V 2006ApJ...649.1048C 2006MNRAS.373L..31M 2006PASP..118..671R 2005A&A...430.1027C 2005A&A...442.1031G 2005AJ....130.1212C 2005AJ....130.1845L 2005AJ....130.2326T 2005AN....326..874J 2005AN....326..920J 2005AN....326..925F 2005AN....326..934P 2005AN....326..952N 2005AN....326..964F 2005ARA&A..43..195K 2005ApJ...620..984I 2005ApJ...621.1033T 2005ApJ...623.1115C 2005ApJ...623.1221V 2005BASI...33..341S 2005LAstr.119..282B 2005MmSAI..76..404M 2005PASA...22..199B 2005S&T...109e..34B 2004A&A...414.1043I 2004A&A...417..651S 2004A&A...427L...1F 2004AJ....127.2948V 2004AJ....127.3516G 2004AJ....127.3553K 2004AN....325..278S 2004AN....325..462P 2004ApJ...602L.129C 2004ApJ...604..817P 2004ApJ...604..832M 2004ApJ...607..499N 2004ApJ...607..511T 2004ApJ...609..407B 2004ApJ...617.1330M 2004ApJS..152..261W 2004PASP..116....9S 2004PASP..116.1105W 2004S&T...107d..44S 2003A&A...398L..29S 2003A&A...402..701B 2003A&A...410..283B 2003AJ....125..354R 2003AJ....125..850B 2003AJ....126..975T 2003ANS...324c.127P 2003ASPC..294...99F 2003ASPC..294..103M 2003ASPC..294..111B 2003ASPC..294..483A 2003ApJ...585L.151T 2003ApJ...586..512B 2003ApJ...587..407C 2003ApJ...593.1074G 2003ApJ...593L..57K 2003ApJ...593L.113M 2003ApJ...594..510B 2003ApJ...595.1222A 2003ApJ...596..561M 2003ApJ...596..587B 2003ApJ...597..555M 2003ApJS..149..423T 2003IAUS..211..111Z 2003IAUS..211..241B 2003IAUS..211..249C 2003IAUS..211..345S 2003IAUS..211..377B 2003IAUS..211..405T 2003IAUS..211..423N 2002A&A...384..999N 2002AAS...201.4607G 2002AAS...201.4609C 2002AJ....123..466R 2002AJ....123.2027H 2002AJ....123.2744B 2002AJ....123.3356G 2002AJ....124.1127C 2002AJ....124.1170D 2002AN....323..447N 2002ARA&A..40..103H 2002ApJ...564..421B 2002ApJ...564..452L 2002ApJ...564..466G 2002ApJ...566..435S 2002ApJ...566..452G 2002ApJ...566.1095C 2002ApJ...566.1132L 2002ApJ...567..304C 2002ApJ...567L..53C 2002ApJ...568..335M 2002ApJ...568L.107L 2002ApJ...571L.151B 2002ApJ...572..503B 2002ApJ...573..394B 2002ApJ...575..264T 2002ApJ...577..974L 2002ApJ...578..536Z 2002ApJ...579..430A 2002ChJAA...2..151C 2002Icar..155..393L 2002MNRAS.332...78L 2002MNRAS.332L..65B 2002MNRAS.333..547A 2002MNRAS.334...20K 2002PASP..114..708H 2002S&T...104b..32K 2001A&A...365..514G 2001A&A...366..263P 2001A&A...366L..13D 2001A&A...370L...1E 2001A&A...376..194H 2001A&A...377..354S 2001AJ....121..489R 2001AJ....121.1710R 2001AJ....121.2189O 2001AJ....121.3235K 2001ARep...45..144P 2001ApJ...546L..43G 2001ApJ...551L.163G 2001ApJ...555..418M 2001ApJ...556..357A 2001ApJ...556..373G 2001ApJ...556..872A 2001ApJ...561L.119N 2001ApJ...561L.123S 2001MNRAS.327..669L 2001MNRAS.328...45M 2001PASA...18...41M 2001PASJ...53...25M 2001PASP..113..227W 2001PASP..113..529M 2001PASP..113..703O 2001PASP..113..814K 2000A&A...353..691L 2000A&A...354L...9N 2000A&A...355..245P 2000A&A...355..581H 2000A&A...358L..33S 2000A&A...360L..39N 2000A&AS..145..341B 2000AAS...197.1103B 2000AAS...197.2702G 2000AJ....119..369R 2000AJ....119..928F 2000AJ....119.3019C 2000AJ....120..447K 2000AJ....120..473B 2000AJ....120.1100B 2000AJ....120.2488N 2000AJ....120.2615F 2000ARA&A..38..337C 2000ARA&A..38..485B 2000Ap&SS.271..127D 2000ApJ...531..438B 2000ApJ...531L..57B 2000ApJ...531L..61T 2000ApJ...532L..59G 2000ApJ...533L..45M 2000ApJ...533L.155L 2000ApJ...535..644Y 2000ApJ...536L..35L 2000ApJ...537..916S 2000ApJ...538..363B 2000ApJ...540..504S 2000ApJ...541..374S 2000ApJ...541L..75N 2000ApJ...542..464C 2000ApJ...545.1058B 2000Icar..143....2B 2000MNRAS.314...33B 2000MNRAS.314..826D 2000MNRAS.314..858L 2000MNRAS.317..211L 2000NewAR..44...99K 2000Obs...120..127C 2000PASJ...52...87N 2000PASP..112..434T 2000PASP..112..827K 2000RPPh...63.1209P 2000S&T...100c..38K 2000SciAm.282d..57B 1999A&A...343..883N 1999A&A...344..897D 1999A&A...349L..41C 1999A&A...352..567D 1999A&AS..135...41D 1999AJ....117.1010T 1999AJ....117.1471I 1999AJ....118.1086B 1999AJ....118.1369K 1999AJ....118.2466M 1999ApJ...512..564D 1999ApJ...512..843B 1999ApJ...513..879M 1999ApJ...517L.139L 1999ApJ...519..793L 1999ApJ...519..802K 1999ApJ...519..834K 1999ApJ...519L..85G 1999ApJ...520L.119T 1999ApJ...521..613R 1999ApJ...521..671B 1999ApJ...522L..61S 1999ApJ...522L..65B 1999ApJ...525..466L 1999ApJ...526L..17H 1999ApJ...527..360B 1999MNRAS.302L..21R 1999MNRAS.303..835H 1999MNRAS.304..119T 1999Natur.397...37T 1999Natur.400..316L 1999PASP..111..385T 1999PASP..111.1529D 1999S&T....97f..32B 1999Sci...283.1718M 1998A&A...337..403B 1998A&A...338.1066T 1998AJ....115..345S 1998AJ....115.2579G 1998AJ....116..440G 1998AJ....116..782E 1998AJ....116.1992V 1998ARep...42...99T 1998ARep...42..787P 1998ApJ...492L.181S 1998ApJ...498..851V 1998ApJ...502..932O 1998ApJ...506L..15U 1998BASI...26..445V 1998MNRAS.294..505H 1998PASJ...50...55I 1998PASP..110.1046K 1998Sci...282.1095T 1998Sci...282.2063G 1997A&A...324..843A 1997A&A...326.1143H 1997A&A...327.1054B 1997A&A...327L..25D 1997A&A...327L..29M 1997AJ....113.1421K 1997AJ....113.2246R 1997AJ....114..317O 1997ARA&A..35..137A 1997ApJ...476..311K 1997ApJ...489L..87N 1997ApJ...489L.165L 1997ApJ...489L.173M 1997ApJ...490L..95T 1997ApJ...491..856B 1997ApJ...491L.107R 1997MNRAS.284..172W 1997MNRAS.284..507T 1997MNRAS.287...79V 1997MNRAS.288L..23C 1997Msngr..89...37B 1997PASP..109...78T 1997Sci...276.1350K 1996A&A...308L..29T 1996AJ....112.1678M 1996AJ....112.2238S 1996ApJ...460L..53S 1996ApJ...465L.123A 1996ApJ...467L.101G 1996ApJ...470L.113M 1996ApJ...472L..37F 1996BAAS...28Q1114M 1996BAAS...28R1114S 1996BAAS...28S1300O 1996C&E...310...32H 1996MNRAS.281..644T 1996Natur.379..397B 1996Natur.384..243R 1996Rech..290...51C 1996S&T....91d..24H 1996S&T....92b..20B 1996Sci...272.1919M 1996SciAm.275e..14S 1995BAAS...27.1388W 1995BAAS...27.1432H 1995IAUC.6280....1M 1995Natur.378..441A 1995Natur.378..463N 1995NewSc2007...19H 1995Sci...270.1478O Measures (distance:2 herschel:2 MK:6 PLX:1 ): distance:2herschel:2MK:6PLX:1 Notes (0) : ================================================================================