C.D.S. - SIMBAD4 rel 1.8 - 2024.04.20CEST06:24:41 V* S Equ -------- Object V* S Equ --- EB* --- OID=@2694141 (@@62731,4) --- coobox=20155 Coordinates(ICRS,ep=J2000,eq=2000): 20 57 12.8405286120 +05 04 49.425738708 (Opt ) A [0.0221 0.0164 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 20 54 43.1977471281 +04 53 13.545017625 Coordinates(Gal,ep=J2000,eq=2000): 053.3147909349792 -24.9655344517888 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: 16.889 -4.740 [0.029 0.023 90] A 2020yCat.1350....0G Parallax: 2.4961 [0.0281] A 2020yCat.1350....0G Radial Velocity: -48.00 [7.4] D 2007AN....328..889K Redshift: -0.000160 [0.000025] D 2007AN....328..889K cz: -48.00 [7.40] D 2007AN....328..889K Flux B : 8.43 [0.02] D 2000A&A...355L..27H Flux V : 8.37 [0.01] D 2000A&A...355L..27H Flux G : 8.347943 [0.002943] C 2020yCat.1350....0G Flux J : 8.297 [0.026] C 2003yCat.2246....0C Flux H : 8.245 [0.034] C 2003yCat.2246....0C Flux K : 8.249 [0.023] C 2003yCat.2246....0C Spectral type: B8/9IV/V E 1999MSS...C05....0H Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (27): Gaia DR3 1734709738640800256 TIC 396377173 SBC9 1269 AAVSO 2052+04 AG+04 2839 AGKR 18742 AN 56.1916 BD+04 4584 GCRV 71662 GSC 00521-01668 HD 199454 HIC 103419 HIP 103419 PPM 171018 ROT 6346 SAO 126399 SBC7 835 SRS 16474 SV* HV 3412 TD1 27481 TYC 521-1668-1 V* S Equ YZ 4 7344 2MASS J20571283+0504494 Gaia DR1 1734709734344826112 WEB 18806 Gaia DR2 1734709738640800256 Bibcodes 1850-2024 () (130): 2023MNRAS.518.4180U 2022MNRAS.511..488W 2021ApJS..254...42B 2021MNRAS.503.2432B 2021RAA....21..256E 2020MNRAS.491.5489M 2019A&A...623A..72K 2019ApJ...877...75P 2019MNRAS.490.3158C 2019RAA....19..107W 2016MNRAS.458..508B 2016NewA...46...40S 2015A&A...578A.136L 2014ApJ...795..160R 2013AN....334..860A 2013ChA&A..37...41Z 2012AJ....143...28F 2012AstL...38..694G 2012MNRAS.427..343M 2011A&A...534A.111L 2011BAVSM.213....1H 2011JAVSO..39..177S 2011MNRAS.414.2602D 2011OEJV..131....1H 2010AN....331..349H 2010BAVSR..59..122F 2010JAVSO..38..183S 2010MNRAS.405.1930L 2010MNRAS.406.1071D 2009IBVS.5889....1H 2009RAA.....9..307Z 2008A&A...486..919M 2008BAVSM.192....1M 2008JAVSO..36..171S 2007A&A...474..653V 2007ApJ...661.1129V 2007MNRAS.379.1533S 2007OEJV...60....1M 2007OEJV...74....1B 2006A&A...446..785M 2004A&A...417..263B 2004A&A...424..727P 2004AN....325..229R 2004AcA....54..207K 2004BAVSM.171....1H 2003AJ....126..393S 2003NewA....8..457Q 2002AJ....123..450Z 2002ApJ...571..293W 2002ApJS..142..139Q 2002BAVSR..51....7M 2002BAVSR..51..239M 2001A&A...367..521P 2001AJ....121.2723V 2001BAVSM.143....1H 1999ApJS..123..537R 1999MSS...C05....0H 1998A&A...329.1010U 1997A&A...323L..49P 1997CoKon.100..397D 1996MNRAS.283..613M 1995A&AS..109..177W 1995A&AS..114..269D 1994BAAS...26.1345R 1993Ap&SS.202...63P 1993JAVSO..22..125C 1993yCat.3135....0C 1992AcA....42...93Z 1991MNRAS.253....9T 1990AJ....100.1981V 1990ChA&A..14...40Z 1989ATsir1540...11S 1989AcASn..30..135T 1989AcASn..30..225Z 1989MitVS..12....9G 1988JBAA...98..200I 1985PASP...97..584B 1984A&A...131..152G 1984Ap&SS.103...55C 1984BICDS..27...91B 1984IBVS.2545....1S 1984PASP...96..376O 1983A&A...125..388G 1983A&AS...54..211G 1983ApJS...52...35G 1983JRASC..77..283P 1982PASP...94..945P 1981ApJS...46....1G 1981PASJ...33..399K 1980A&A....83..217M 1980AcA....30..501B 1980Ap&SS..68..283K 1980Ap&SS..68..433D 1980Ap&SS..73..503C 1980ApJS...44..241M 1979A&AS...36..273C 1979A&AS...38..155D 1979AcA....29..641H 1979IBVS.1659....1B 1979MmSAI..50..551C 1979PASP...91..408B 1978ATsir.995....8T 1978Ap&SS..54..239S 1978PDAO...15..121B 1977A&A....58..105W 1977JBAA...87...79I 1976Ap&SS..44...63J 1976MitVS...7..181R 1975A&AS...19...91L 1975ApJS...29...43O 1975JBAA...85..443I 1973AJ.....78..410K 1972IBVS..647....1P 1972IBVS..668....1M 1971AJ.....76..544L 1971AcA....21..365K 1970ApJ...161.1129M 1970IBVS..419....1P 1970IBVS..456....1P 1967AN....290..105B 1966BAICz..17..295P 1966MmSAI..37..809C 1965AN....288..167D 1964BAICz..15...23P 1963AJ.....68..257W 1962BAICz..13..128P 1961SvA.....5..709P 1956ApJ...123..246R 1956MNRAS.116..195P 1932VeBB....9e...1G Measures (distance:2 IUE:5 MK:3 PLX:5 PM:6 ROT:1 V*:1 velocities:2 ): distance:2IUE:5MK:3PLX:5PM:6ROT:1V*:1velocities:2 Notes (1) : (S) 04-Dec-2007 - pv ref:2007MNRAS.379.1533S obj:V* S Equ Spectral type B8-9.5V + F9 III-IV (SOYDUGZN et al., 2007MNRAS.379.1533S) ================================================================================