C.D.S. - SIMBAD4 rel 1.8 - 2024.04.23CEST09:37:22 EUVE J0645-16.7 --------------- Object * alf CMa B --- WD* --- OID=@930049 (@@14736,2) --- coobox=7392 Coordinates(ICRS,ep=J2000,eq=2000): 06 45 09.3041925037 -16 43 00.724740067 (Opt ) A [0.1648 0.2273 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 06 42 56.8240759812 -16 39 03.529939602 Coordinates(Gal,ep=J2000,eq=2000): 227.2316564388949 -08.8892179862002 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: -461.571 -914.520 [0.278 0.332 90] A 2020yCat.1350....0G Parallax: 374.4896 [0.2313] A 2020yCat.1350....0G Radial Velocity: ~ [~ ~ ] ~ ~ Redshift: ~ [~ ~ ] ~ ~ cz: ~ [~ ~ ] ~ ~ Flux B : 8.41 [~] E ~ Flux V : 8.44 [~] E ~ Flux G : 8.524133 [0.003263] C 2020yCat.1350....0G Spectral type: DA1.9 C 2011ApJ...743..138G Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (41): GJ 244 B Gaia DR3 2947050466531873024 2RXF J064508.6-164240 * alf CMa B 2E 1730 2RE J064509-164243 2RE J0645-164 8pc 379.21B ADS 5423 B BD-16 1591B CCDM J06451-1643BC CSI-16 1591 3 EGGR 49 GEN# +1.00048915B H 0643-16 HD 48915B IDS 06408-1635 B RE J0645-16 RE J0645-164 RE J064509-164243 UBV 6710 WD 0642-163 WD 0643-16 WD 0642-16 WD 0642-166 Zkh 92 [BM83] X0642-166 1E 064255-1639.3 1ES 0642-16.6 2E 0642.9-1638 2EUVE J0645-16.7 EUVE J0645-16.7 WDS J06451-1643BC ** AGC 1BC Gaia DR2 2947050466531873024 NAME Sirius C NAME Sirius B 1RXS J064509.3-164241 1E 064255-1639.4 RX J0645.1-1642 NAME Sirius BC Bibcodes 1850-2024 () (544): 2024ApJ...963...17A 2023A&A...674A..34G 2023AJ....165..133W 2023AJ....165..193W 2023AJ....165..216L 2023AJ....166..164T 2023ApJ...944...25T 2023ApJ...953...30H 2023ApJS..265....4K 2023MNRAS.520..259M 2023MNRAS.521.5232W 2023MNRAS.524..695Z 2023MNRAS.525.4700L 2023RNAAS...7..114W 2023RNAAS...7..125W 2022A&A...657A...7K 2022A&A...665A.151L 2022AJ....163...81L 2022AJ....164..106L 2022ApJ...926...10R 2022ApJ...934..148H 2022MNRAS.514.1071M 2022MNRAS.517.5835S 2022PASP..134c4503S 2022RAA....22l5009K 2021A&A...649A...6G 2021A&A...650A.201R 2021A&A...652A..45L 2021A&A...652A.121P 2021A&A...653A...8B 2021AJ....161..106B 2021AJ....162..252K 2021ApJ...914..112M 2021ApJ...920...75L 2021ApJ...921..138N 2021ApJ...923..104J 2021ApJ...923..119G 2021ApJS..257...42L 2021MNRAS.505..215R 2021MNRAS.508.3877G 2021RAA....21...82Z 2021RNAAS...5...40S 2021RNAAS...5..105S 2020A&A...635L..14K 2020A&A...637A..45S 2020A&A...640A.129W 2020ApJ...899..146C 2020ApJ...901L...1K 2020MNRAS.497..130T 2020MNRAS.498..689C 2020MNRAS.499.1126T 2020PASP..132j2001H 2019A&A...623A..72K 2019A&A...627L...8P 2019ApJ...871..119D 2019ApJ...875...55W 2019ApJ...886...41L 2019ApJS..244...39F 2019MNRAS.482.4570G 2019MNRAS.483..901P 2019MNRAS.484.2711R 2018A&A...615L..15G 2018A&A...616A...2L 2018ApJ...859..102W 2018ApJ...864...90M 2018ApJ...866...21C 2018MNRAS.475.3896R 2018MNRAS.479.1612J 2018MNRAS.479.3155H 2018MNRAS.480.3942H 2018MNRAS.481.2361J 2017A&A...602A..16T 2017AJ....154..115H 2017AJ....154..200M 2017ApJ...835L..32H 2017ApJ...840...70B 2017ApJ...848...11B 2017ApJ...848...16B 2017MNRAS.465.2849T 2017MNRAS.465L..44K 2017MNRAS.469.4796B 2017MNRAS.470.2822A 2017MNRAS.472.4173R 2017RAA....17...61M 2017RAA....17..122A 2017Sci...356.1046S 2016A&A...596A..49B 2016ApJ...818...84C 2016ApJ...823...46F 2016ApJ...823..102C 2016AstL...42..260P 2016MNRAS.455.1607C 2016MNRAS.459.1415B 2016MNRAS.459.1682F 2016MNRAS.459L..81B 2016MNRAS.462.2295H 2016PASP..128j2001B 2016yCat....1.2035M 2015A&A...574A..64I 2015ApJ...801...61F 2015ApJ...812..125R 2015ApJ...813..106B 2015MNRAS.450.3708R 2015MNRAS.454..129V 2014A&A...566A..48G 2014AJ....147..127B 2014AJ....147..129S 2014ApJ...791..125O 2014ApJ...793L..43L 2014MNRAS.438.3399B 2014NewA...31....8W 2013A&A...560A.106R 2013AJ....146...68L 2013AJ....146...99C 2013ApJ...764..127K 2013ApJ...769....7L 2013ApJ...771...10M 2013ApJ...774....1C 2013MNRAS.435.2077H 2012A&A...546A...1A 2012A&A...546A..69M 2012AJ....143...68H 2012AJ....144...64D 2012ApJ...744L..17B 2012ApJ...753..156K 2012ApJS..199....8G 2012ApJS..199...29G 2012MNRAS.419..304P 2012MNRAS.420.3281P 2012MNRAS.423...68S 2012MNRAS.423.2815D 2012MNRAS.426.2500F 2011A&A...525A..85E 2011A&A...526A.127P 2011A&A...528A.132L 2011A&A...532L..13P 2011A&A...534A..18M 2011AJ....141..129H 2011AJ....141..144S 2011ARep...55..505V 2011ApJ...730...53S 2011ApJ...732L..34T 2011ApJ...743..138G 2011BaltA..20..495D 2011MNRAS.410.2095V 2011MNRAS.411.2695P 2011Natur.477..541W 2011Natur.477..567W 2010A&ARv..18..471A 2010AJ....139.1968E 2010JHA....41...41H 2010MNRAS.403.1089P 2010MmSAI..81..896P 2009A&A...496..307K 2009A&A...497..291K 2009A&A...497..311K 2009A&A...506..993A 2009AJ....137.4547S 2009AJ....138.1681S 2009AJ....138.1969B 2009ApJ...692.1013S 2009ApJ...693..355W 2009ApJ...705..408K 2009JBAA..119..293M 2009JHA....40..137H 2009MNRAS.395.1795C 2009MNRAS.395.2248D 2009MmSAI..80..774R 2008A&A...480..797B 2008A&A...481..381L 2008A&A...481..769B 2008A&A...481..807R 2008A&A...481..919B 2008A&A...489..651B 2008AJ....135.1225H 2008AJ....135.1328N 2008AJ....136..899S 2008ApJ...673..283R 2008ApJ...676..594K 2008ApJ...681.1470F 2008JHA....39..161W 2008MNRAS.387.1693C 2008MmSAI..79..552K 2008PASP..120..465R 2008SerAJ.177...73Z 2007A&A...466..627H 2007A&A...476..121I 2007ApJ...665L.151C 2007JHA....38..161H 2007PASP..119.1345S 2006A&A...455..679S 2006A&A...458..541B 2006APh....25...98G 2006ApJ...639L..21Z 2006ApJ...642..283O 2006ApJ...652.1554V 2006JHA....37..429D 2006MNRAS.369..383D 2006PASP..118..947T 2005AN....326..638W 2005ARA&A..43..435H 2005ApJ...625..232O 2005ApJ...628.1081N 2005ApJ...630L..69L 2005MNRAS.361..803F 2005MNRAS.361.1131F 2005MNRAS.362.1134B 2005Msngr.119...36W 2004AAS...20510303H 2004AJ....127..477C 2004AJ....127.1702K 2004AN....325....3F 2004Ap.....47..189V 2004ApJ...602..776R 2004MNRAS.354..727S 2004MNRAS.355.1143M 2004PASP..116..187T 2004PhR...399....1H 2004SerAJ.169...59P 2003A&A...408..681K 2003AJ....125..354R 2003ApJ...582..846K 2003ApJ...584..448D 2003ApJ...594..844F 2003ApJ...599..297H 2003ApJS..149..423T 2003ChJAA...3..287B 2002A&A...394..647H 2002ApJ...568..324P 2002ApJ...571..512H 2002ApJ...579..430A 2002ApJ...580.1091D 2002ApJS..140...67L 2002ApJS..140..103H 2002KFNT...18f.535Z 2002NewA....7..161F 2001A&A...367..521P 2001A&A...371..921S 2001AJ....121..503S 2001AJ....121.2189O 2001ApJ...559..942R 2001PASP..113..882S 2000A&A...354..253J 2000A&A...359..977B 2000A&A...360..991B 2000AJ....119..906S 2000ARA&A..38...35L 2000ARA&A..38...79W 2000ARA&A..38..231B 2000ApJ...528..756L 2000ApJ...530..949S 2000ApJ...533..969B 2000PASP..112..827K 2000PhR...333..409T 2000PhST...85...12T 1999A&A...342L..13I 1999A&A...346..969W 1999A&A...348.1040D 1999A&A...350..643H 1999A&ARv...9..153F 1999A&AS..135..319H 1999ApJ...519..372T 1999ApJ...520..805H 1999ApJS..121....1M 1999BASI...27..549T 1999MNRAS.310..355W 1999MmSAI..70..281H 1999NewA....4..231L 1999PASP..111..385T 1999PASP..111.1258T 1999S&T....97c..40K 1998A&A...332.1147B 1998ApJ...494..759P 1998ApJ...497..921V 1998ApJ...497..935H 1998ApJ...502..763V 1998ApJS..119..207H 1998BASI...26..667S 1998SerAJ.157...13P 1997AJ....113.2246R 1997Ap&SS.254...85S 1997ApJ...480..777P 1997ApJS..108..545L 1997ApJS..113..131C 1997Ast....25a..54K 1997MNRAS.286..369M 1997MNRAS.287..705M 1997Obs...117...73. 1997PASP..109..958B 1997PASP..109..998S 1996A&A...307..149W 1996A&A...311..852S 1996A&A...313..810K 1996A&A...314..983B 1996AJ....111.2000R 1996AJ....112.1595E 1996ApJS..102..129B 1996Ast....24e..42C 1995A&A...299..621B 1995A&AS..114..465K 1995ApJ...444..702V 1995BaltA...4..166K 1995MNRAS.274.1165P 1995MNRAS.274L..31B 1995SSRv...72..499F 1994A&A...290L..17P 1994AGAb...10...18D 1994AJ....107..751M 1994ApJS...93..569B 1994ApJS...94..127F 1994BAAS...26..901D 1994BAAS...26.1329C 1994KFNT...10b..68Z 1994KFNT...10b..74Z 1994MNRAS.267..840H 1994MNRAS.270..499B 1993ApJ...410L.119V 1993ChA&A..17..223J 1993MNRAS.260...77P 1993MNRAS.264...16B 1993PASP..105....1T 1993PASP..105..387S 1992ApJ...390..590V 1992ApJ...401..288V 1992ApJS...80..257E 1992IAUS..151..235B 1991A&A...246L..47F 1991A&A...252..193B 1991AJ....102.1428R 1991ApJ...372..241C 1991ApJ...376..186W 1991ApJS...75..507W 1991Ast....19k..50K 1991IAUS..145..435K 1990A&AS...85.1021P 1990ARA&A..28..103W 1990ApJ...361..197T 1990BAAS...22.1288V 1990Natur.347..625G 1989A&A...223..361B 1989ARA&A..27..397K 1989ApJ...339.1000P 1989ApJ...346..435M 1989BAAS...21.1193V 1989GriO...53b..11B 1989IAUS..131..555S 1989S&T....77..287L 1988AJ.....96..251S 1988AcA....38..443B 1988ApJ...326..249S 1988ApJ...329..849P 1988ApJ...331..876V 1988ApJ...335..188B 1988IAUS..132..175G 1988IUE88...1..263H 1988IUE88...2..239C 1988LAstr.102..476B 1988MmSAI..59....7W 1988MmSAI..59...53H 1988S&T....75...28M 1987ApJS...65..603M 1987JAVSO..16...34W 1987LAstr.101..181B 1987S&T....73..491K 1987S&T....74..147K 1987S&T....74..465K 1987S&W....26..316B 1986A&A...160...95A 1986Icar...65..152V 1986PASP...98..922T 1985QJRAS..26..273W 1985QJRAS..26..279G 1985Rech...16..464F 1985S&W....24..205Z 1985SSRv...40...79H 1984A&A...130..143M 1984A&AS...55...69D 1984ApJ...278L..23A 1984ApJ...280..679H 1983AJ.....88..642E 1983AcA....33..183D 1983Ap&SS..96....1G 1983Ap&SS..96..125C 1983ApJ...269..657B 1983ApJ...271..264G 1983ApJS...51....1N 1983ApJS...53..643J 1983BAAS...15..879H 1983LAstr..97..277W 1982A&A...105...53T 1982Ap&SS..81....5A 1982ApJ...259..232B 1982ApJ...261L..81M 1982IUE82......125B 1982JRASC..76...35W 1981A&A....97..203S 1981AJ.....86..264W 1981ApJ...245..163V 1981ApJS...47..243H 1981LowOB...9..233R 1981PASP...93..777G 1980A&A....81..336S 1980Ap&SS..68..433D 1980ApJ...238L..87M 1980IUE80......415H 1980IUE80......455B 1980S&T....60..111O 1979A&A....72..376K 1979ApJ...228..240S 1979ApJ...229..661T 1979ApJ...230..485A 1979ApJ...232..510K 1979JBAA...89..485M 1979PASP...91..479H 1979VKha..190...52Z 1978A&A....70..125L 1978Ap&SS..55..147D 1978Ap&SS..56..479D 1978ApJ...225..191G 1978MNRAS.183..285B 1978Natur.275..726D 1978PASP...90..429L 1978PASP...90..587H 1977A&A....54..869M 1977A&A....55..121C 1977A&AS...29..305V 1977ApJS...34..479L 1977PASP...89..588H 1977RMxAA...3..113R 1977S&T....53..346M 1976Ap&SS..40..393G 1976ApJ...206L..67S 1976ApJ...207L..45S 1976ApJ...209..205S 1976ApJ...210..715L 1976PASP...88...52H 1975A&A....45..213R 1975A&A....45..217P 1975A&AS...21...51T 1975ApJ...199..127H 1975MNRAS.171..637W 1975Natur.256..711M 1975PASP...87..945H 1974A&A....34..157R 1974Ap.....10..163G 1974ApJ...189..101S 1974ApJ...190..331W 1974ApJ...190..339H 1974ApJ...191..675G 1974ApJ...192..615S 1974ApJS...28..211P 1974MNRAS.167..121H 1974MNRAS.169..331N 1974PASP...86..907H 1973A&A....23....1G 1973AJ.....78..205L 1973ApJ...185..265P 1973ApJ...185L.139B 1973PASP...85..379E 1972A&A....17..437V 1972ApJ...172..181V 1972ApJ...175L...1G 1972ApJ...177..177K 1972MNRAS.160..435W 1972SvA....15..573D 1971A&A....11..317V 1971ApJ...169..549P 1971ApJ...169..563G 1971MNRAS.152...47S 1971MNRAS.154..455W 1970A&A.....7..150L 1970AJ.....75..624C 1970AJ.....75..841L 1970ApJ...159...93H 1970ApJ...159..101J 1970ApJ...159..551D 1969ApJ...157..287E 1968AJ.....73..769G 1968ApJ...152..895V 1968BAICz..19..223S 1968MNRAS.140...81B 1968MmSAI..39..593F 1967AJ.....72..708F 1967AJ.....72.1334C 1967MNRAS.137..375H 1967MNRAS.137..393H 1966AJ.....71..401V 1966ApJ...144.1073A 1965ApJ...141...83E 1965ApJ...142..182A 1965MmSAI..36..215C 1964JO.....47..229C 1963JO.....46..133H 1963PASP...75..308E 1963ZA.....57..135K 1962AJ.....67..403W 1962AnAp...25..184B 1962JO.....45....1V 1962JO.....45..225C 1961ApJS....6....1K 1961MNSSA..20...40T 1961PASP...73..389V 1960JO.....43..145V 1960MNRAS.120p.563E 1959ApJS....4...45V 1958MNRAS.118...65E 1958ZA.....45..239S 1957JO.....40...57B 1957JO.....40..113C 1957JO.....40..165B 1956AJ.....61..361E 1956AJ.....61..405E 1956AJ.....61..462E 1955AJ.....60..379L 1955AJ.....60..401E 1955PASP...67..341H 1955ZA.....37..149P 1954AJ.....59..233M 1954AJ.....59..447V 1954ApJ...120..322S 1953ApJ...117..313J 1953ApJ...118...92M 1953ApJ...118..577S 1953JO.....36...61M 1953PASP...65...73V 1953PASP...65..185S 1953ZA.....33..245P 1952AJ.....57...65S 1952AnAp...15..201C 1952MNRAS.112...73E 1952MNRAS.112..583M 1951AJ.....56..202L 1951AnAp...14...85B 1951AnAp...14..176C 1950AJ.....55...86L 1950AJ.....55..196K 1950ApJ...111..611L 1950ApJ...111..625L 1950ApJ...112..141E 1950JO.....33....1B 1950JO.....33...49B 1950MNRAS.110..455H 1950PASP...62..266E 1950ZA.....27..193P Measures (distance:4 Fe_H:3 IUE:26 MK:2 PLX:2 PM:2 ): distance:4Fe_H:3IUE:26MK:2PLX:2PM:2 Notes (1) : (S) 20-Nov-2013 - cl ref:~ obj:* alf CMa B Components B ad C are not separated in Simbad. ================================================================================