C.D.S. - SIMBAD4 rel 1.8 - 2024.03.29CET11:00:35 NGC_6939 -------- Object NGC 6939 --- OpC --- OID=@235865 (@@8678,3) --- coobox=428 Coordinates(ICRS,ep=J2000,eq=2000): 20 31 40.1 +60 39 11 (Opt ) D [~ ~ ] 2021A&A...647A..19T Coordinates(FK4,ep=B1950,eq=1950): 20 30 39.9 +60 28 57 Coordinates(Gal,ep=J2000,eq=2000): 095.9074 +12.2825 hierarchy counts: #parents=0, #children=722, #siblings=0 Proper motions: -1.841 -5.413 [0.006 0.006 90] C 2020A&A...633A..99C Parallax: 0.506 [0.002] C 2020A&A...633A..99C Radial Velocity: -18.60 [0.09] A 2021A&A...647A..19T Redshift: -0.000062 [0.000000] A 2021A&A...647A..19T cz: -18.60 [0.09] A 2021A&A...647A..19T Flux B : 8.85 [~] E ~ Flux V : 7.8 [~] E ~ Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: 14.8 14.8 0 (Opt ) D 2020A&A...633A..99C Identifiers (4): C 2030+604 NGC 6939 Cl Melotte 231 [KPS2012] MWSC 3357 Bibcodes 1850-2024 () (158): 2024ApJ...961..248S 2023A&A...679A.122V 2023MNRAS.525.2315A 2022A&A...658A..14C 2022AJ....163..191K 2022MNRAS.509..421N 2022MNRAS.509.4276F 2021A&A...647A..19T 2021A&A...650A..67R 2021A&A...651A.104P 2021A&A...652A..25C 2021A&A...654A.151C 2021A&A...656A..49H 2021ApJ...908..229L 2021ApJ...914..123I 2021MNRAS.504..356D 2021MNRAS.507.1699J 2020A&A...633A..99C 2020A&A...640A...1C 2020MNRAS.495.2882S 2019AJ....158...35S 2019ApJ...872..152I 2019ApJS..245...32L 2019MNRAS.490.1821C 2018A&A...618A..93C 2018A&A...619A.155S 2018ApJ...859..140C 2018MNRAS.473..849D 2018MNRAS.478.5184D 2017AJ....153...57Z 2017AstBu..72..257L 2017MNRAS.470.3937S 2017MNRAS.470.4363C 2017PASP..129d4101G 2016A&A...585A.101K 2016A&A...585A.150N 2016A&A...593A.116J 2016ARep...60...43M 2016ARep...60...61M 2016ApJ...824...75O 2016ApJ...831...11S 2016ApJ...832..138C 2016MNRAS.456.3757S 2015MNRAS.450.4301R 2015MNRAS.453.4185D 2014A&A...561A..93H 2014A&A...564A..79D 2014A&A...566A..37G 2014MNRAS.444.1982A 2013A&A...558A..53K 2013AJ....145..107J 2012A&A...543A.156K 2012AJ....144..183L 2012ApJ...746..149C 2012AstL...38..506G 2011A&A...535A..30C 2011MNRAS.412.1265A 2010A&A...511A..56P 2010A&A...515A..28P 2010A&A...522A..10C 2010A&A...523A..11M 2010ApJ...714.1096S 2010MNRAS.403.1491P 2010MNRAS.407.2109V 2010PASJ...62..447T 2009A&A...500L..25D 2009A&A...508.1279B 2009MNRAS.393..272W 2009MNRAS.395.1822C 2009MNRAS.399.2146W 2009PASA...26...11D 2008AN....329..387M 2008MNRAS.384.1263C 2007A&A...463..789A 2007A&A...467.1065M 2007AJ....134.1216J 2006AJ....131.1544B 2006AJ....131.1565K 2006ChJAA...6..287Z 2006MNRAS.371.1641P 2005ApJ...619..824X 2004A&A...414..163S 2004AJ....127.1622K 2004ARep...48..733Z 2004MNRAS.348..297A 2004MNRAS.351..649K 2004MmSAI..75...19A 2004MmSAI..75...28B 2003AJ....125.1397C 2003ARep...47....6L 2003MNRAS.346..390P 2002A&A...383..153N 2002AJ....124.2093R 2002AJ....124.2693F 2002ARep...46..352P 2002ChJAA...2...17H 2000A&A...359..347D 1998IBVS.4634....1R 1998JAD.....4....6F 1998MNRAS.296.1045C 1997AJ....114.2556T 1997ApJ...484..581S 1997BaltA...6..471A 1997MmSAI..68..833J 1995A&AS..109..375A 1995ARA&A..33..381F 1995ApJ...445L..39C 1994A&A...287..761C 1994A&AS..106..419M 1994AJ....107.1079P 1994AJ....108.1773J 1994AJ....108.1828M 1994MmSAI..65..685C 1994MmSAI..65..693S 1994MmSAI..65..765P 1994PASP..106.1085M 1993AGAb....9..172H 1993PASP..105.1253T 1991A&A...247...35S 1991A&A...251...49M 1991AJ....102.1836G 1991AN....312..177S 1991PAZh...17..149G 1990AJ....100..469M 1989A&A...210...66M 1989AISof...5...36P 1989AISof...5...64A 1989AN....310..127Z 1989Ap&SS.156..169M 1988AZh....65...35B 1988ApJS...68....1L 1988PASP..100..338G 1987Ap&SS.129..293P 1987ApJS...64..241S 1986AJ.....92...79C 1986BICDS..31..175M 1985AN....306...45S 1985AcASn..26..152Z 1985Ap&SS.112..111S 1985ChA&A...9..300Z 1985IAUS..113..579V 1984A&A...136..355B 1984ApJ...278..215S 1983BASI...11...44S 1982ApJS...49..425J 1981ApJ...243..827C 1980A&A....88..360V 1980BICDS..19...67P 1971Obs....91...78H 1970PDDO....4....1H 1970RGOB..158...67C 1969MNRAS.144..449C 1968ArA.....5....1L 1964RGOB...82..106K 1963CoAsi.138...19C 1957VeBon..48....1M 1944AJ.....51...65C 1923VeBon..18....1K Measures (distance:7 Fe_H:9 PLX:5 PM:7 velocities:5 ): distance:7Fe_H:9PLX:5PM:7velocities:5 Notes (0) : ================================================================================