C.D.S. - SIMBAD4 rel 1.8 - 2024.04.23CEST16:25:32 BD+40 4227A ------------ Object BD+40 4227A --- SB* --- OID=@54497 (@@10927,1) --- coobox=28 Coordinates(ICRS,ep=J2000,eq=2000): 20 33 15.0781182864 +41 18 50.479292556 (Opt ) A [0.0145 0.0178 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 20 31 27.3884184405 +41 08 32.509802194 Coordinates(Gal,ep=J2000,eq=2000): 080.2240060540373 +00.7872981222011 hierarchy counts: #parents=3, #children=0, #siblings=0 Proper motions: -2.664 -4.106 [0.018 0.019 90] A 2020yCat.1350....0G Parallax: 0.6058 [0.0191] A 2020yCat.1350....0G Radial Velocity: 125.56 [17.85] E 2018yCat.1345....0G Redshift: 0.000419 [0.000060] E 2018yCat.1345....0G cz: 125.59 [17.85] E 2018yCat.1345....0G Flux U : 10.42 [~] C 2002yCat.2237....0D Flux B : 10.27 [~] C 2002yCat.2237....0D Flux V : 8.98 [~] C 2002yCat.2237....0D Flux G : 8.429846 [0.002788] C 2020yCat.1350....0G Flux R : 8.03 [~] C 2002yCat.2237....0D Flux I : 6.83 [~] C 2002yCat.2237....0D Flux J : 6.123 [0.020] C 2003yCat.2246....0C Flux H : 5.721 [0.017] C 2003yCat.2246....0C Flux K : 5.503 [0.017] C 2003yCat.2246....0C Spectral type: O6Ib(fc)+O4.5:III:(fc) C 2014ApJS..211...10S Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (53): NAME Cyg OB2 8 NAME VI Cyg 8 BD+40 4227 HIP 101425 HIC 101425 Gaia DR3 2067784624247057920 IDS 20297+4058 A TIC 17450216 2MASS J20331508+4118504 [AFM2007] 568 2E 4382 AG+41 1925 ALS 11423 CGO 605 CSI+40 4227 1 EM* CDS 1173 GCRV 20036 GEN# +9.00030008 GOS G080.22+00.79 01 GSC 03161-01325 Hilt 996 LS III +41 37 NAME VI Cyg 8A PPM 60129 SAO 49781 TYC 3161-1325-1 UBV 17839 [HFE83] 1374 [HJ56] 220 [MHG2003] h [MT91] 465 [SKV93] 3-52 1E 203127+4108.5 1ES 2031+41.1 1RXS J203315.8+411848 2E 2031.4+4108 CXOCyg J203315.07+411850.3 UCAC3 263-196673 CCDM J20332+4119A ADS 14000 A Schulte 8A WDS J20333+4119A ** HJ 1539A ** ARN 77A ** HER 4 [R2011] IDX 96 [R2011] IDOM 126 2XMM J203315.0+411850 3XMM J203315.0+411850 BD+40 4227A NAME Cyg OB2 8A Gaia DR2 2067784624247057920 [MM53] Cyg OB2 8A Bibcodes 1850-2024 () (246): 2023A&A...672A...6L 2023ApJ...954..123P 2023ApJS..269....7W 2023ApJS..269...12F 2023ApJS..269...13G 2022ApJS..262....2H 2022MNRAS.511.3113H 2021A&A...645L...8X 2021A&A...656A.100R 2021AJ....161..127G 2021ApJ...916...33G 2021ApJS..254...42B 2020A&A...636A.109M 2020A&A...637A..64M 2020A&A...642A.168B 2020A&A...643A.138M 2020AJ....159..113G 2020AJ....160..115C 2020MNRAS.493.2339M 2020MNRAS.495.2205P 2019A&A...623A..72K 2019A&A...623A.163D 2019A&A...626A..20M 2019A&A...626A..59C 2019A&A...627A..58I 2019A&A...627A..99N 2019AJ....157...78J 2019AcA....69..159K 2019MNRAS.484.1838B 2019MNRAS.490..440L 2018A&A...613A...9M 2018A&A...615A..49C 2018A&A...616L..15X 2018A&A...620A..89N 2018A&A...620A.144D 2018MNRAS.477.5640P 2017A&A...600A..47D 2017A&A...607A..97N 2017A&A...608A..69B 2017ApJ...843...56W 2017MNRAS.472.3887M 2016A&A...586A..46C 2016A&A...591A..40S 2016A&A...594A..82R 2016A&A...596A..49B 2016ApJ...821...42H 2016ApJ...826L...4C 2016MNRAS.458..491M 2016MNRAS.460.2593W 2016MNRAS.460.2706K 2016MNRAS.463.2653D 2016NewA...43...70R 2015AJ....149...26A 2015ApJS..221....1R 2015MNRAS.449..741W 2015MNRAS.451.1070D 2014A&A...561A..18B 2014A&A...561A..92C 2014AJ....147...40C 2014ApJS..211...10S 2014ApJS..213...34K 2014MNRAS.439..908C 2013A&A...550A..90B 2013A&A...558A..28D 2013ARep...57..527C 2013ApJ...762..121F 2012A&A...542A..95R 2012A&A...543A.101C 2012A&A...546A..37N 2012ApJ...744...60G 2012ApJ...745...91I 2012ApJ...746..142N 2012ApJ...746L..21W 2012ApJ...747...41K 2012ApJ...751....4K 2012ApJ...751...69S 2012ApJ...756...27L 2012ApJ...756...50K 2012ApJ...761L..21S 2012ApJS..199....8G 2012MNRAS.427..343M 2011A&A...535A..32N 2011A&A...536A..31R 2011AJ....141..129H 2011ApJ...735..124K 2011ApJS..193...24S 2011PASJ...63S.717Y 2010A&A...511A..84S 2010A&A...516A..35H 2010A&A...518A...1M 2010A&A...519A.111B 2010ApJ...710..706M 2010ApJ...711L.143W 2010ApJ...719..634N 2010ApJ...720L.190S 2010MNRAS.403.1633P 2010MNRAS.403.1657P 2009A&A...495..231L 2009A&A...506.1055N 2009A&A...507.1567C 2009AJ....137.3358M 2009AJ....137.4608K 2009ApJ...692L..76W 2009ApJS..184..138H 2008A&A...477..223Y 2008A&A...483..543N 2008A&A...483..585V 2008A&A...487..575N 2008A&A...492..743L 2008AN....329..222R 2008ApJS..176..218W 2008BaltA..17..125S 2008MNRAS.386.1761D 2008MNRAS.387..308V 2008MNRAS.388.1047P 2008MmSAI..79..242D 2008RMxAC..33...59R 2008RMxAC..33..173M 2007A&A...464..211A 2007A&A...464..701B 2007A&A...467L..23C 2007A&A...472..537C 2007A&A...473..603M 2007A&A...474..653V 2007A&ARv..14..171D 2007APh....27...10P 2007ApJ...658L..25N 2007ApJ...664.1102K 2007ApJ...668..456W 2007PASP..119.1268W 2006A&A...452.1011V 2006A&A...454..625P 2006ApJ...637..506M 2006ApJ...648..565O 2006ApJ...650.1096L 2006MNRAS.370.1623L 2006MNRAS.371.1280D 2006MNRAS.372.1407C 2005A&A...433..313V 2005A&A...437.1029D 2005A&A...440..261R 2005A&A...441..711M 2005AJ....130.1652R 2005ApJS..161..154H 2005MNRAS.358..563M 2005MNRAS.363.1111C 2004A&A...424L..39D 2004ApJ...616..542W 2004ApJ...616..912V 2004ApJS..151..103M 2004MNRAS.355..169G 2003A&A...405..991B 2003A&A...410..905P 2003AJ....125.2531R 2003AN....324..219W 2003ApJ...589..487M 2003ApJ...597..957H 2003ApJS..149..123S 2002A&A...389..874C 2002A&A...396..949H 2002BaltA..11....1W 2002yCat.2237....0D 2001A&A...366..605B 2001A&A...366..623H 2001A&A...367..521P 2001A&A...375..553G 2001A&A...375..670R 2001ApJS..135..263S 2001MNRAS.326.1095M 2000ApJ...542..334H 1999A&A...347..235K 1998ApJS..115..271R 1998ApJS..118..217W 1998MNRAS.298..753P 1997A&A...323L..49P 1997AJ....114.1679S 1997ApJ...487..847W 1997ApJ...488L.153C 1996A&AS..120C.423C 1996AN....317...35W 1996ApJ...460..914V 1996ApJS..107..281H 1995A&AS..109..177W 1995PASP..107..691I 1993ApJ...417..579M 1993BaltA...2..171S 1992A&AS...95..269M 1992A&AS...96..191C 1992ApJ...386..562W 1992ApJS...80..257E 1991MNRAS.249....1T 1989ApJ...340..518B 1989ApJ...341..427C 1987A&A...180..111L 1986AnTok..21..107Y 1986NIA86......331G 1984AcA....34..191C 1984ApJ...277..200S 1984IAUS..108..145H 1983A&AS...53..223H 1983ApJ...269..625P 1982Ap&SS..87..313L 1982ApJ...263..777G 1982ApJS...50..169C 1982SvAL....8..119L 1981ApJ...245..163V 1981ApJ...250..645A 1981MNRAS.197..949T 1981PASP...93...50H 1979ApJ...234L..51H 1979RMxAA...4..287E 1978ApJ...223..168S 1978ApJS...38..309H 1977ApJ...212..714M 1977PASP...89..765W 1975ApJ...196..129H 1974RMxAA...1..211C 1973A&A....26...17B 1973A&AS...12..277G 1973ApJ...180L..35W 1972A&A....21...11G 1972AJ.....77..138A 1970PASP...82.1141H 1968PASP...80..290W 1967PASP...79..502H 1966ApJ...144..921W 1965ApJ...141.1340S 1965JO.....48...45M 1965JO.....48..107K 1965JO.....48..108K 1964BAN....17..358B 1964LS....C03....0H 1963PASP...75...73S 1963PASP...75..485W 1962ApJ...136..100W 1961MNRAS.122..413R 1956ApJ...123..250S 1956ApJ...124..367H 1956ApJ...124..530S 1954ApJ...119..344J 1954ApJ...120..178H 1954ApJ...120..454H 1954ApJ...120..506M 1954PASP...66...85M 1953ApJ...118..161M 1951ApJ...113..141N Measures (distance:3 IUE:15 MK:15 PLX:2 PM:5 velocities:4 ): distance:3IUE:15MK:15PLX:2PM:5velocities:4 Notes (0) : ================================================================================