C.D.S. - SIMBAD4 rel 1.8 - 2024.03.29CET08:24:50 * eta Ori --------- Object * eta Ori --- bC* --- OID=@786267 (@@16969,0) --- coobox=6467 Coordinates(ICRS,ep=J2000,eq=2000): 05 24 28.61672 -02 23 49.7311 (Opt ) A [9.93 7.47 90] 2007A&A...474..653V Coordinates(FK4,ep=B1950,eq=1950): 05 21 57.66819 -02 26 29.7707 Coordinates(Gal,ep=J2000,eq=2000): 204.86574033 -20.39158407 hierarchy counts: #parents=0, #children=2, #siblings=0 Proper motions: -0.71 -3.46 [1.13 0.85 0] A 2007A&A...474..653V Parallax: 3.34 [1.07] A 2007A&A...474..653V Radial Velocity: 19.8 [0.9] A 1979IAUS...30...57E Redshift: 0.000066 [0.000003] A 1979IAUS...30...57E cz: 19.80 [0.90] A 1979IAUS...30...57E Flux U : 2.25 [~] C 2002yCat.2237....0D Flux B : 3.18 [~] C 2002yCat.2237....0D Flux V : 3.35 [~] C 2002yCat.2237....0D Flux R : 3.44 [~] C 2002yCat.2237....0D Flux I : 3.65 [~] C 2002yCat.2237....0D Flux J : 3.76 [~] C 2002yCat.2237....0D Flux H : 3.84 [~] C 2002yCat.2237....0D Flux K : 3.900 [0.036] C 2003yCat.2246....0C Spectral type: B1V+B2: C 1975A&AS...19...91L Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (46): HIP 25281 GEN# +1.00035411 TIC 4254645 2MASS J05242864-0223497 PLX 1228 [JE82] 161 * 28 Ori * eta Ori 2E 1268 BD-02 1235 CCDM J05245-0223AB CEL 676 CSI-02 1235 1 EM* CDS 494 GC 6655 GCRV 3247 GSC 04757-01588 HD 35411 HGAM 396 HIC 25281 HR 1788 IDS 05194-0229 AB IRAS 05219-0226 JP11 1066 MCW 306 N30 1160 PPM 188024 ROT 791 SAO 132071 SKY# 8588 TD1 4551 UBV 21599 UBV M 10928 V* eta Ori WH 37 YPAC 118 ALS 14775 1RXS J052429.7-022403 2E 0521.9-0226 [KSP2003] J052428.84-022349.9 PMSC 05194-0229Aabc WDS J05245-0224AB ADS 4002 AB ** DA 5 WEB 4903 WEB 4904 Bibcodes 1850-2024 () (397): 2023A&A...669A..74G 2023ApJ...947...66F 2022A&A...657A..92E 2022A&A...658A..96B 2022AJ....164..201P 2022ApJS..258...16P 2022MNRAS.511.4404S 2022MNRAS.513.3191S 2022PASP..134d2001M 2021A&A...649A.112V 2021ApJS..254...42B 2021MNRAS.504.3730C 2020A&A...634A..18C 2020A&A...641A..42B 2020AJ....160....7T 2020AJ....160..284M 2020ApJ...902..122K 2020MNRAS.493.2511N 2019ApJ...884....6M 2018A&A...615A.161M 2018A&A...616L..15X 2018AJ....156...84K 2018ApJ...853..156W 2018ApJ...864..136B 2018MNRAS.474.5287A 2017A&A...605A..26P 2017ApJ...842...48A 2017ApJ...844..103T 2016A&A...591A.118S 2016A&A...595A.132Z 2016MNRAS.456....2W 2016MNRAS.463.1162C 2016MNRAS.463.2735D 2014A&A...567A..26L 2014PASP..126..573W 2013AJ....146...56M 2013AJ....146..158P 2013AN....334..860A 2012A&A...539A.139T 2012A&A...544A..31V 2012A&A...546A..61D 2012A&A...546A..69M 2012AJ....143...42H 2012AN....333...60K 2012ApJS..199....8G 2012MNRAS.424.1925C 2012MNRAS.427..343M 2011A&A...525A..26D 2011MNRAS.410..190T 2011MNRAS.414...59S 2011MNRAS.414.2602D 2011RMxAC..40..278H 2010A&A...510A..54W 2010A&A...515A.111S 2010A&A...516A..28V 2010A&A...516A..29V 2010A&A...520A..89M 2010AJ....139..743T 2010AN....331..349H 2010ChA&A..34..277X 2010MNRAS.404.1321W 2010RMxAC..38..133G 2009A&A...507.1141L 2009AJ....137.3358M 2009AJ....138..664Z 2009ApJS..184..138H 2009MNRAS.392..448H 2008A&A...477..917P 2008A&A...489..911E 2008AN....329..801C 2008BAVSR..57..241H 2008MNRAS.389..869E 2008MNRAS.389..925T 2008PASP..120..170T 2007A&A...467..647Y 2007A&A...474..653V 2007AJ....133.1092W 2007AJ....134.1089S 2007Ap.....50..239D 2007AstL...33..251V 2007KFNT...23..222P 2007MNRAS.380.1599Q 2007MNRAS.382.1073M 2006A&A...446..785M 2006A&A...446.1071V 2006A&A...452..945T 2006AstL...32..604R 2005A&A...440..305F 2005A&A...441..235Z 2005AJ....130.1652R 2005ApJ...629..507A 2005ApJS..158..193S 2004A&A...424..727P 2004ApJ...616..562A 2004KFNT...20d.313Z 2004NewA....9..509Z 2003AJ....125.2531R 2003AJ....126.1423K 2003AN....324..219W 2003SSRv..105..453A 2002ApJ...573..359A 2002BaltA..11....1W 2002BaltA..11..153B 2002yCat.2237....0D 2001A&A...367..521P 2001A&A...368..912Y 2001A&A...377..104T 2001A&A...378..861C 2001AJ....121.3224M 2001ApJ...555..364B 2001ApJ...562..998S 2001ApJS..133..345W 2000A&A...356..141F 2000ApJ...545L.135S 1999A&AS..135..383M 1999A&AS..137..113V 1999AJ....118.1395D 1999Ap&SS.261..205D 1999AstL...25..797B 1999MSS...C05....0H 1998A&A...335..179P 1998IAUDS.136....1. 1998PAZh...24..337S 1998RMxAA..34..111L 1998SerAJ.157...13P 1998SerAJ.158...73O 1997A&A...321..202P 1997A&A...323L..49P 1997A&A...324.1096D 1997A&AS..124...75T 1997AJ....114.1639H 1997AJ....114.2112M 1997AcApS..17..386P 1997AcApS..17..407L 1996A&A...310..164D 1996A&AS..117..205F 1996A&AS..118..239H 1996A&AS..118..481B 1996AcApS..16..370P 1996JAVSO..24..105H 1995A&AS..109..177W 1995A&AS..111..457B 1995A&AS..114..269D 1995AcApS..15...57T 1995Ap&SS.224..491I 1995MNRAS.272....1D 1995S&W....34..798D 1994A&AS..106..427M 1994AcApS..14..228P 1994ApJ...424..754A 1994ApJ...436..152W 1994ApJ...437..638W 1994ApJS...93..211D 1994ApJS...94..127F 1994PASJ...46..473Y 1994PASP..106..382D 1993AJ....106..352H 1993AcA....43...53W 1993Ap&SS.203...53H 1993LAstr.107..110B 1993PAZh...19..944T 1993yCat.3135....0C 1992A&A...265L..41M 1992AJ....103.1399B 1992Ap&SS.195..303B 1992ApJS...81..795G 1992PASP..104..663C 1992PPMtO..11..184X 1992S&T....84..267S 1991A&A...241..419P 1991ApJS...75..425W 1991ApJS...75..965M 1991MNRAS.252..403P 1991SoSAO..66..101B 1990A&AS...85..915D 1990AJ.....99..323B 1990ApJ...364..540F 1990BICDS..38..175K 1990PNAOJ...1..381I 1989A&AS...77..125L 1989A&AS...77..497B 1989A&AS...78..511P 1989A&AS...81..115T 1989AJ.....97..510M 1989ApJ...340..762E 1989S&W....28..385R 1989TarOT..94....1N 1989TarOT.100....1R 1989TarOT.107..113P 1988A&A...193..159S 1988A&A...194..143W 1988A&AS...72..259D 1988A&AS...74..497M 1988Ap&SS.142...99W 1988ApJ...330..942V 1988ApJ...335..197V 1988ApJS...67..225V 1987A&A...175..186K 1987AJ.....93..688M 1987AJ.....94..771D 1987BAICz..38...58M 1987RMxAA..14..323B 1986A&A...165...95H 1986A&AS...64..131E 1986A&AS...66...63T 1986AnTok..21..107Y 1986ApJ...301..235B 1986ApJ...303..401L 1985ARA&A..23...59M 1985ATsir1380....7M 1985AbaOB..58..313Z 1985AbaOB..59...83B 1985ApJ...294..599S 1985ApJS...57...63M 1985IAUS..111...97M 1984A&A...135..393G 1984A&AS...58..601P 1984AISAO..18...64P 1984ApJ...280..213T 1984ApJ...285..190A 1984PASP...96..105H 1983A&A...121...45W 1983A&AS...54..211G 1983MNRAS.202..317C 1983PASP...95...48M 1983SAAOC...7...82L 1982A&AS...47..341K 1982Ap&SS..87..377V 1982ApJ...253L..39S 1982ApJ...254...82C 1982ApJ...260..655Z 1982ApJ...263..759M 1982ApJS...48..273M 1982ApJS...49..267M 1982BICDS..23...53H 1982IAUS...98..261J 1981A&AS...44..179P 1981AJ.....86.1944Z 1981ApJ...246..879F 1981ApJ...251..139S 1981ApJS...47..243H 1981LowOB...9..114F 1981PASJ...33..399K 1981RMxAA...6..111L 1980A&A....81....8D 1980A&A....81...37L 1980A&A....82...48L 1980A&A....84..108F 1980A&A....91..186C 1980A&AS...40..207C 1980A&AS...42..185B 1980AcA....30..501B 1980ApJ...237...19B 1980ApJ...237..513M 1980ApJS...43..501C 1980S&T....60..379A 1979A&AS...35..193W 1979A&AS...36...25Y 1979A&AS...38..227L 1979ApJ...228..493M 1979ApJS...39..195C 1979ApJS...39..359S 1978A&A....69....1A 1978A&AS...32....1L 1978ApJ...219..504L 1978ApJ...222..570B 1978ApJ...222..909W 1978ApJS...36..115S 1978ApJS...36..497W 1978ApJS...38..129H 1978IBVS.1398....1C 1978IBVS.1418....1K 1978MNRAS.184...43S 1978MNRAS.184..825S 1978PDAO...15..121B 1977A&A....58..201D 1977Ap&SS..46..357D 1977Ap&SS..46..379H 1977ApJ...215..159M 1977ApJS...34..115W 1977ApJS...34..207W 1977PASP...89..797A 1977PASP...89..803C 1977RMxAA...3...13E 1977S&T....53..346M 1976A&AS...25...65V 1976ApJ...203..680L 1976ApJ...206..167P 1976ApJ...208L..95S 1976IzKry..55..200Z 1976PASP...88..957M 1975A&A....39..257L 1975A&A....39..465V 1975A&A....41..259L 1975A&A....42..229S 1975A&AS...19...91L 1975A&AS...21...81D 1975ApJ...197..371M 1975ApJ...199...92S 1974AJ.....79...34K 1974AJ.....79..368G 1974AJ.....79..809B 1974ApJ...187..237W 1974ApJ...188L..67H 1974ApJ...191..381H 1974ApJ...191..395H 1973A&A....22..361N 1973A&A....22..371N 1973ApJ...184..135S 1973SAOSR.350....1D 1972A&AS....6..147B 1972ApJ...172..491S 1972ApJ...173...43M 1971A&A....10..321F 1971A&A....13..323N 1971AJ.....76..544L 1971AJ.....76.1058C 1971ApJ...166..333H 1971ApJ...166..349C 1971ApJ...166..543W 1970ApJ...161L..81C 1970PASP...82..741L 1969ApJ...156.1013T 1969ApJ...157..135H 1969ApJ...157.1101G 1969ApJ...157.1255S 1969ApJ...157L.113C 1969ApJ...158..461H 1969MNRAS.144....1B 1969PAllO...8...91B 1968AJ.....73..551B 1968ApJ...151L...5B 1968ApJ...152..905L 1968ApJ...152..913L 1968ApJ...154..661M 1968ApJS...17..371L 1968JO.....51..165H 1968JO.....51..193A 1968MNRAS.139..341B 1968MNRAS.139..417B 1967AJ.....72.1128E 1967ApJ...147.1017M 1967JO.....50..343H 1967MNRAS.137..337D 1966AJ.....71..172M 1966AJ.....71..611C 1965ApJ...141..923J 1965JO.....48...45M 1964ZA.....59..108J 1963AnAp...26..153S 1963ApJ...138..617C 1963JO.....46..133H 1963JO.....46..155C 1963MNSSA..22...65C 1962ApJ...135..748M 1962ApJ...136..381A 1961XXCV.........0. 1958ApJ...128..185C 1958JO.....41...31C 1958JO.....41...81C 1957ApJ...126...99B 1957JO.....40..165B 1956AJ.....61...90M 1956ApJ...123..253S 1956ApJ...123..267J 1956ApJ...123..440S 1956PROE....2....1W 1955ApJS....2...41M 1955JO.....38..252G 1955PROE....1..113G 1954AnTou..22...49B 1954ApJ...119..200S 1954JO.....37...25P 1954JO.....37..125M 1954MmSAI..25....7M 1953AnAp...16..417H 1953ApJ...118..285H 1953GCRV..C......0W 1953MNRAS.113..530B 1953ZA.....32..125K 1952AnAp...15...79M 1952AnAp...15..201C 1952ApJ...116..251S 1951JO.....34...21D 1951ZA.....29..105M 1951ZA.....29..262M 1950ApJ...111..434R 1950JO.....33..105M 1950MNRAS.110...15G 1950PDAO....8..319P 1932VeBB....9e...1G 1926ApJ....64....1F 1926ApJ....64..172S 1915PAllO...3..153J 1912PAllO...2..127D 1910ApJ....32...83K 1903ApJ....17...68A Measures (Fe_H:2 IUE:21 MK:22 PLX:2 PM:4 ROT:5 V*:1 velocities:9 ): Fe_H:2IUE:21MK:22PLX:2PM:4ROT:5V*:1velocities:9 Notes (0) : ================================================================================