C.D.S. - SIMBAD4 rel 1.8 - 2024.03.28CET14:02:12 NGC7031 ------- Object NGC 7031 --- OpC --- OID=@117575 (@@9621,19) --- coobox=206 Coordinates(ICRS,ep=J2000,eq=2000): 21 07 14.2 +50 52 12 (Opt ) D [~ ~ ] 2021A&A...647A..19T Coordinates(FK4,ep=B1950,eq=1950): 21 05 36.6 +50 40 04 Coordinates(Gal,ep=J2000,eq=2000): 091.3362 +02.2953 hierarchy counts: #parents=0, #children=260, #siblings=0 Proper motions: -1.242 -4.205 [0.009 0.011 90] C 2020A&A...633A..99C Parallax: 0.704 [0.004] C 2020A&A...633A..99C Radial Velocity: 0.20 [0.2] A 2017AstBu..72..257L Redshift: 0.000001 [0.000001] A 2017AstBu..72..257L cz: 0.20 [0.20] A 2017AstBu..72..257L Flux B : 10.01 [~] E ~ Flux V : 9.1 [~] E ~ Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: 14.2 14.2 0 (Opt ) D 2020A&A...633A..99C Identifiers (5): C 2105+506 NGC 7031 OCISM 42 OCl 210 [KPS2012] MWSC 3466 Bibcodes 1850-2024 () (59): 2023MNRAS.525.2315A 2022A&A...659A..59T 2021A&A...647A..19T 2021A&A...651A.104P 2021A&A...656A..49H 2021ApJ...912..165R 2020A&A...633A..99C 2020A&A...640A...1C 2020A&A...644A.136A 2020MNRAS.495.2882S 2020PASP..132c4502H 2019ApJS..245...32L 2018A&A...618A..93C 2018A&A...619A.155S 2018AJ....155...91Y 2018MNRAS.473..849D 2018MNRAS.478.5184D 2017AstBu..72..257L 2017MNRAS.469.1330A 2017MNRAS.470.3937S 2016A&A...585A.101K 2016A&A...593A.116J 2015MNRAS.453..106D 2014A&A...564A..79D 2013A&A...558A..53K 2012A&A...543A.156K 2012AstL...38..506G 2010MNRAS.407.2109V 2009MNRAS.399.2146W 2008A&A...485..303M 2008AN....329..845K 2007A&A...463..789A 2003ARep...47....6L 1998Ap.....41..261V 1998BaltA...7..653A 1995A&A...302...86S 1995A&AS..109..375A 1995AZh....72..333D 1989Afz....31...37E 1988AZh....65..730E 1988NASAR1202....1L 1988PAZh...14..817E 1987AZh....64..965E 1987KFNT....3f..77D 1986BICDS..31..175M 1985AN....306...45S 1983A&A...121..237B 1982ApJS...49..425J 1981PASJ...33..327S 1973MmSAI..44...39H 1971A&AS....4..241B 1970PDDO....4....1H 1968ArA.....5....1L 1965ApJS...12..215H 1963ZA.....57..117B 1961ApJ...134..612S 1961LowOB...5..133J 1961PUSNO..17..343H 1961VA......8..139H Measures (distance:3 PLX:4 PM:6 velocities:3 ): distance:3PLX:4PM:6velocities:3 Notes (1) : (S) 18-Sep-2009 - gc ref:~ obj:NGC 7031 possible binary open star cluster, in pair with \object{NGC 7086} cf.2008AN....329..845K ================================================================================