C.D.S. - SIMBAD4 rel 1.8 - 2024.04.20CEST03:55:49 Messier 93 ---------- Object NGC 2447 --- OpC --- OID=@1013069 (@@13820,3) --- coobox=7948 Coordinates(ICRS,ep=J2000,eq=2000): 07 44 33.8 -23 51 11 (Opt ) D [~ ~ ] 2021A&A...647A..19T Coordinates(FK4,ep=B1950,eq=1950): 07 42 26.6 -23 43 54 Coordinates(Gal,ep=J2000,eq=2000): 240.0428 +00.1491 hierarchy counts: #parents=0, #children=2212, #siblings=0 Proper motions: -3.5680 5.0434 [0.0056 0.0057 90] B 2018A&A...616A..10G Parallax: 0.9603 [0.0013] B 2018A&A...616A..10G Radial Velocity: 21.7 [0.2] A 2017A&A...600A.106C Redshift: 0.000072 [0.000001] A 2017A&A...600A.106C cz: 21.70 [0.20] A 2017A&A...600A.106C Flux Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: 24.2 24.2 0 (Opt ) D 2020A&A...633A..99C Identifiers (8): [KC2019] Theia 277 C 0742-237 M 93 NGC 2447 OCl 649.0 [KPR2004b] 163 Cl Collinder 160 [KPS2012] MWSC 1324 Bibcodes 1850-2024 () (149): 2023A&A...670A.106C 2023A&A...672A..29C 2023A&A...674A..33G 2023A&A...674A.157T 2022A&A...658A..31N 2022A&A...659A..59T 2022AJ....163..195R 2022AJ....163..229S 2022ApJ...929...29G 2022ApJ...930...44L 2022MNRAS.509..421N 2022MNRAS.509.4276F 2022MNRAS.514.4816K 2021A&A...647A..19T 2021A&A...650A..67R 2021A&A...651A.104P 2021A&A...656A..49H 2021AJ....162..264J 2021ApJ...912....5H 2021MNRAS.503.3279S 2021MNRAS.504..356D 2021MNRAS.505.2412C 2021MNRAS.507.1699J 2020A&A...633A..99C 2020A&A...640A...1C 2020AJ....159..199D 2020MNRAS.494.1470M 2019A&A...623A.108B 2019AJ....158...35S 2019AJ....158..122K 2019ApJ...877..157L 2019ApJS..245...32L 2019MNRAS.482.5275H 2019MNRAS.485.3623R 2018A&A...615A..49C 2018A&A...616A...8A 2018A&A...616A..10G 2018A&A...618A..65B 2018A&A...618A..93C 2018A&A...619A.155S 2018MNRAS.473..849D 2018MNRAS.476.4907D 2018MNRAS.478.5184D 2017A&A...600A.106C 2017AJ....153...75K 2017AstBu..72..257L 2017MNRAS.469.3042N 2017MNRAS.470.3937S 2016A&A...585A.101K 2016A&A...585A.150N 2016A&A...592A.130L 2016A&A...593A.116J 2016A&A...595A..16T 2016AJ....151....6S 2016ARep...60...43M 2016MNRAS.456.3866C 2016MNRAS.461..507H 2015A&A...575A..88W 2015A&A...577A..47B 2015A&A...580A..85M 2015MNRAS.450.4301R 2015MNRAS.454.1976R 2014A&A...561A..93H 2014A&A...562A..54C 2014A&A...564A..79D 2014AJ....148...83S 2014MNRAS.437..351B 2013A&A...554A...2K 2013A&A...557A..10N 2013A&A...558A..53K 2012A&A...538A.151S 2012A&A...538A.152Z 2012AstL...38..506G 2012MNRAS.421.3206S 2011A&A...535A..30C 2011AstL...37..248K 2011MNRAS.413.2199M 2011MNRAS.417..698L 2010A&A...511A..56P 2010A&A...517A..32P 2010A&A...522A..10C 2010MNRAS.407.2109V 2009A&A...493..309S 2009A&A...495..807K 2009A&A...500L..13D 2009A&A...502..267S 2009A&A...504..681K 2009MNRAS.399.2146W 2008A&A...477..165P 2008A&A...485..303M 2008A&A...488..943S 2008AJ....136..118F 2007A&A...463..789A 2007A&A...468..151P 2007A&A...469..147R 2007A&A...472..657L 2007A&A...473..829M 2006A&A...446..949D 2006ChJAA...6..287Z 2006JHA....37..251H 2006RMxAC..26R.168C 2005A&A...431..943B 2005A&A...437..483B 2005A&A...438.1163K 2005A&A...442..201S 2005A&A...443..465B 2005BaltA..14..301C 2005JHA....36..373H 2005PASP..117..141V 2004A&A...418..979P 2004AN....325..740K 2003AJ....125.1397C 2003ARep...47....6L 2002A&A...383..153N 2002A&A...388..168D 2002S&T...103d..32F 2001A&A...373..159C 2000A&A...360..509H 2000A&AS..146..251B 1997A&A...324..505D 1997PAZh...23..667M 1995A&A...293..381G 1995A&A...296..709V 1995A&AS..109..375A 1994A&A...289..121R 1994IBVS.4010....1P 1993A&AS..102....1M 1992AJ....104..275E 1991A&A...247...35S 1991AJ....101....1H 1989A&A...219..125M 1989A&AS...79...11M 1989AN....310..367S 1989Ast....17a..98L 1989MNRAS.236..263P 1988PAZh...14..817E 1987AZh....64..965E 1986BICDS..31..175M 1984AISAO..18...64P 1983AJ.....88..184E 1982ApJS...49..425J 1979A&A....79...11M 1974AJ.....79.1280T 1971A&AS....4..241B 1968ArA.....5....1L 1963ZA.....57..117B 1961LowOB...5..133J 1959ZA.....48..279B 1850CDT..1784..227M Measures (distance:8 Fe_H:6 PLX:9 PM:10 velocities:7 ): distance:8Fe_H:6PLX:9PM:10velocities:7 Notes (1) : (S) 01-Jan-2000 - com ref:~ obj:~ sometimes named BUTTERFLY CLUSTER as M 6 ================================================================================