C.D.S. - SIMBAD4 rel 1.8 - 2024.04.19CEST22:31:16 NGC 2420 -------- Object NGC 2420 --- OpC --- OID=@986199 (@@139700,8) --- coobox=5547 Coordinates(ICRS,ep=J2000,eq=2000): 07 38 24.5 +21 34 30 (Opt ) D [~ ~ ] 2021A&A...647A..19T Coordinates(FK4,ep=B1950,eq=1950): 07 35 26.6 +21 41 21 Coordinates(Gal,ep=J2000,eq=2000): 198.1078 +19.6400 hierarchy counts: #parents=0, #children=1193, #siblings=0 Proper motions: -1.190 -2.125 [0.008 0.007 90] C 2020A&A...633A..99C Parallax: 0.363 [0.003] C 2020A&A...633A..99C Radial Velocity: 74.26 [0.06] A 2019A&A...623A..80C Redshift: 0.000248 [0.000000] A 2019A&A...623A..80C cz: 74.27 [0.06] A 2019A&A...623A..80C Flux B : 9.0 [~] E ~ Flux V : 8.3 [~] E ~ Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: 6.4 6.4 0 (Opt ) D 2020A&A...633A..99C Identifiers (6): C 0735+216 NGC 2420 Raab 56 Cl Collinder 154 Cl Melotte 69 [KPS2012] MWSC 1292 Bibcodes 1850-2024 () (476): 2024AJ....167...45R 2024AJ....167...73S 2024ApJ...961..251Y 2023A&A...669A.119M 2023A&A...670A.129V 2023A&A...672A..29C 2023A&A...675A..26W 2023A&A...676A.129H 2023A&A...677A.119D 2023MNRAS.523..802J 2023MNRAS.524.4418M 2023MNRAS.525.2585N 2023MNRAS.525.4642R 2023MNRAS.526.2378L 2023RAA....23b5020W 2022A&A...658A..14C 2022A&A...659A.200B 2022A&A...660A.135V 2022A&A...666A.120G 2022A&A...666A.121R 2022A&A...668A...4F 2022A&A...668A..16S 2022A&A...668A..49F 2022AJ....163..229S 2022ApJ...926...51P 2022ApJ...926..144N 2022ApJ...926..154S 2022ApJ...927..123S 2022ApJ...929...29G 2022ApJS..260...32W 2022ApJS..262...20L 2022MNRAS.509..421N 2022MNRAS.509.1664J 2022MNRAS.509.4276F 2022MNRAS.512.1710H 2022PASP..134f5001B 2021A&A...647A..19T 2021A&A...650A..67R 2021A&A...651A..84M 2021A&A...651A.104P 2021A&A...652A..25C 2021A&A...653A..72R 2021A&A...654A..46D 2021A&A...654A.151C 2021A&A...655A..23M 2021A&A...656A..49H 2021AJ....161..160T 2021AJ....161..254S 2021AJ....162..302B 2021ApJ...912....5H 2021ApJ...914..123I 2021ApJ...917...11S 2021ApJ...923..129J 2021ApJS..253...45L 2021MNRAS.503..236J 2021MNRAS.503.3279S 2021MNRAS.504..356D 2021MNRAS.505.4496G 2021MNRAS.506.5573C 2021MNRAS.507.1699J 2020A&A...633A..99C 2020A&A...634A..27P 2020A&A...638A..76Q 2020A&A...639A.127C 2020A&A...640A...1C 2020A&A...640A.127Z 2020A&A...640L...1R 2020A&A...643A.164S 2020AJ....159..199D 2020ApJ...903...55P 2020ApJ...903...93N 2020ApJS..249....7B 2020ApJS..249...29H 2020MNRAS.496.4701J 2020MNRAS.499.1874M 2019A&A...623A..80C 2019A&A...623A.108B 2019A&A...628A..94A 2019A&A...629A..34G 2019A&A...629A..62C 2019AJ....158...35S 2019ApJ...872..152I 2019ApJ...879...69T 2019ApJ...887...84Z 2019ApJS..245...32L 2019MNRAS.484.5315W 2019MNRAS.490.1821C 2018A&A...617A.106M 2018A&A...618A..93C 2018A&A...619A.155S 2018AJ....156...94S 2018AJ....156..126J 2018AJ....156..142D 2018ApJ...853..198N 2018ApJ...856..125H 2018ApJ...857...14S 2018ApJ...868L...9P 2018MNRAS.475.2978F 2018MNRAS.476..908F 2018MNRAS.478.5184D 2017A&A...597A..68V 2017A&A...598A...5P 2017A&A...607A..44B 2017ApJ...840...17T 2017ApJ...843..141F 2017ApJS..230...24B 2017ApJS..232....2X 2017AstBu..72..257L 2017MNRAS.465...19T 2017MNRAS.466.2161B 2017MNRAS.470.3937S 2017MNRAS.470.4285C 2017MNRAS.470.4363C 2016A&A...585A..42S 2016A&A...585A..64S 2016A&A...585A.101K 2016A&A...585A.150N 2016A&A...590A..74B 2016A&A...593A..85G 2016A&A...594A..43H 2016AJ....151....6S 2016AJ....151....7M 2016AJ....152..192A 2016ARep...60...43M 2016ApJ...817...49B 2016ApJ...817...78B 2016ApJ...826...85S 2016ApJ...830...35S 2016MNRAS.455.4031C 2016MNRAS.460.3179W 2016MNRAS.463.2494F 2016MNRAS.463.4366R 2016RAA....16g...5K 2015AJ....150...51D 2015AJ....150..135H 2015AJ....150..148H 2015AJ....150..187L 2015ApJ...803...13Y 2015ApJ...808...16N 2015MNRAS.448..822X 2015MNRAS.450.4301R 2015RAA....15.1197Z 2014A&A...561A..93H 2014A&A...562A..10C 2014A&A...564A..79D 2014A&A...566A..37G 2014AJ....148...51A 2014AJ....148...83S 2014ApJ...786...29S 2014ApJ...787..164G 2014MNRAS.445.2575H 2013A&A...554A...2K 2013A&A...558A..53K 2013A&A...560A...5C 2013AJ....145..140Z 2013AJ....146...39K 2013AJ....146...81Z 2013AJ....146..133M 2013ApJ...769..141S 2013ApJ...777...91Y 2013ApJ...777L...1F 2013ApJ...778L..13L 2013MNRAS.430..221A 2013MNRAS.431..930J 2013MNRAS.434.1681C 2012AJ....143...31Z 2012ApJ...746..149C 2012ApJ...761..160S 2012AstL...38..506G 2012MNRAS.422.3527M 2012RAA....12.1637R 2011A&A...533A..51P 2011A&A...535A..30C 2011AJ....141...89S 2011AJ....141...90L 2011AJ....142...59J 2011ApJ...736..120M 2011ApJS..193...29A 2011MNRAS.411.2586J 2011MNRAS.417.2230B 2010A&A...511A..56P 2010A&A...517A..32P 2010A&A...523A..11M 2010ApJ...711..559D 2010MNRAS.401..577S 2010MNRAS.407.2109V 2010NewA...15..547B 2010PASJ...62..447T 2010RAA....10..761G 2009A&A...508.1279B 2009AJ....137...83C 2009AJ....137.4753J 2009AJ....138.1171A 2009ApJ...696...12D 2009ApJ...698..865K 2009MNRAS.399.2146W 2009PASP..121..885K 2008A&A...485..303M 2008AJ....135.1934S 2008AJ....136.2022L 2008AJ....136.2050L 2008ApJ...676..594K 2008ApJ...686..279K 2008ApJS..178...89D 2008ApJS..179..326A 2008MNRAS.386..819O 2008MmSAI..79..704D 2008PASP..120...38U 2007A&A...463..559V 2007A&A...463..789A 2007A&A...467.1373R 2007A&A...470..919M 2007A&A...473..829M 2007AJ....133.1585A 2007AJ....134.1298C 2007MNRAS.374..664C 2007MNRAS.378..318B 2007PASP..119..828B 2006A&A...445..493M 2006A&A...460..339J 2006AJ....131..461A 2006AJ....131.1565K 2006AJ....132..299T 2006AJ....132.1669S 2006ApJ...652.1150A 2006ChJAA...6..287Z 2006PASP..118..358A 2006RMxAC..25...10A 2005A&A...429..881B 2005ApJ...619..824X 2005ApJ...622..565V 2005BaltA..14..179Z 2005MNRAS.363.1247P 2004A&A...414..163S 2004AAS...205.2207A 2004AJ....128.2306C 2004ARep...48..733Z 2004ApJ...612..168P 2004ApJS..155..667D 2003A&A...404..645C 2003AJ....125.1397C 2003AJ....126.2372F 2003ARA&A..41..465H 2003ARep...47....6L 2003ApJ...589..179H 2003ApJ...595..794V 2003MNRAS.343..539P 2003MNRAS.345.1015G 2003MNRAS.346..390P 2003PASP..115..413S 2002A&A...383..153N 2002A&A...388..158L 2002A&ARv..11...33K 2002AJ....123..905A 2002AJ....123.1603G 2002AJ....123.2715T 2002AJ....124.1555V 2002AJ....124.2693F 2002ARep...46..267P 2002Ap&SS.282..607T 2002ChJAA...2...17H 2002MNRAS.332..705C 2002MNRAS.335.1147K 2002MNRAS.336..259C 2002NewA....7..553T 2001A&A...369..851P 2001A&A...371..571K 2001A&A...373..159C 2001A&A...377..473T 2001AJ....122..266K 2001AJ....122.1602W 2001AJ....122.3239K 2001AcA....51...49K 2001MNRAS.321..502P 2001MmSAI..72..707P 2001NewA....6..293T 2000A&A...359..347D 2000AJ....120.1384V 2000ApJ...534..335S 2000ApJ...544L.149K 1999AJ....117..937S 1999AJ....117.1341H 1999AJ....117.1816T 1999AJ....118.2321S 1999AJ....118.2894S 1999Ap&SS.265..271F 1999ApJ...524..226D 1999MNRAS.303..265C 1998A&A...334..901S 1998A&A...337..403B 1998AJ....115.1076D 1998AJ....115.1536V 1998AJ....115.2435E 1998AJ....116.1789V 1998ARep...42..153S 1998ApJ...496..352C 1998MNRAS.294...28H 1998MNRAS.296.1045C 1998MNRAS.298..525P 1998MmSAI..69..139S 1998MmSAI..69..267C 1997AJ....113..722N 1997AJ....113.1045K 1997AJ....114.2556T 1997ApJ...484..581S 1997BaltA...6..471A 1997MNRAS.284..477B 1997MNRAS.287..402K 1997MNRAS.291..763M 1997MmSAI..68..797S 1997PASP..109..559R 1996AJ....111..820K 1996AJ....112..192V 1996AJ....112..628F 1996AJ....112.1472R 1996ApJ...465..264P 1996Ast....24c..66E 1996MNRAS.281.1363S 1995A&AS..109..375A 1995AJ....109.1706S 1995AJ....109.2090D 1995AJ....110..693H 1995AJ....110.2813P 1995ARA&A..33..381F 1995ApJ...452..652A 1995MNRAS.273L..39V 1995PASP..107.1047B 1995PASP..107.1215T 1994A&A...283..911G 1994A&A...287..761C 1994A&A...288..751C 1994A&A...291..106C 1994AJ....107.1079P 1994AJ....108.1773J 1994AJ....108.1828M 1994ApJ...426..165D 1994ApJS...95..107W 1994MmSAI..65..685C 1993A&A...267...75F 1993A&AS...97..851A 1993AJ....106...80E 1993BAAS...25R1454H 1993PASP..105..955H 1992AJ....103..163H 1992AJ....103.1928L 1992ARA&A..30..235C 1992AcA....42..155K 1992ApJS...78..517C 1992MmSAI..63...17C 1992MmSAI..63...37F 1992MmSAI..63..293C 1992PASP..104.1268M 1991A&A...247...35S 1991A&A...250..400F 1991AJ....101.1377E 1991AJ....101.2102B 1991AJ....102.1056A 1991AJ....102.1836G 1991AN....312..177S 1991AZh....68...78P 1991AcA....41..167K 1991MNRAS.251..545H 1990A&A...235...94C 1990A&A...235..114M 1990AJ.....99.1504A 1990AJ....100..469M 1990AJ....100.2021H 1990JRASC..84...60V 1990MNRAS.245...15B 1989A&AS...78..217F 1989A&AS...80...89F 1989A&AS...81..187F 1989AJ.....97..431E 1989AJ.....97..759T 1989AN....310..127Z 1989AN....310..367S 1989ApJ...337..272N 1989PASP..101..244F 1989PASP..101.1105F 1988AJ.....95..108L 1988AJ.....95..785K 1988AZh....65...35B 1988AZh....65..730E 1988AcA....38..339K 1988Ap&SS.142..145E 1988JApA....9..117S 1988PASP..100S1220F 1988RMxAA..16...25A 1987A&AS...67..245F 1987AJ.....93..359S 1987AJ.....94..345J 1987AJ.....94.1222A 1987AZh....64..956B 1987Ap&SS.133...59D 1987ApJS...64..241S 1987MNRAS.224..821C 1987PASP...99.1076L 1986AJ.....91.1108H 1986AJ.....92...79C 1986AbaOB..61..199A 1986ApJS...60..893M 1986BICDS..31..175M 1986MNRAS.221..887R 1986PASP...98..762G 1985AN....306...45S 1985AcASn..26..152Z 1985Ap&SS.112..111S 1985ApJ...299..683C 1985ApJS...58..711V 1985ChA&A...9..300Z 1985IAUS..113..579V 1984A&A...132...11G 1984A&A...136..355B 1984AJ.....89..487J 1984AN....305..135B 1984ApJ...278..215S 1984ApJ...282...19F 1984ApJ...286..552C 1984ApJ...287L..85G 1984BAAS...16..947B 1984BICDS..26....9M 1984BICDS..27..141M 1984MNRAS.207..309L 1984PASP...96..117M 1984PASP...96R.797V 1983A&A...128..190C 1983AJ.....88..813E 1983ApJ...264..206J 1983ApJ...267..207T 1983ApJ...268..264M 1983ApJ...274..270F 1983BASI...11...44S 1983PASAu...5..232L 1982AJ.....87..360S 1982AJ.....87.1679H 1982ApJ...257..640G 1982ApJS...49..425J 1981A&A....96..174M 1981AJ.....86..237D 1981ApJ...243..827C 1981ApJ...243..841M 1981RMxAA...6..173A 1980A&A....88..360V 1980ApJ...235L..21P 1980ApJ...241..981C 1980IAUS...85..195H 1980IAUS...85..281D 1980IAUS...85..385C 1979AJ.....84.1056S 1978A&A....66..225P 1978PASP...90..170M 1977ApJ...213..716D 1976ApJ...206..474S 1976ApJ...207L.113H 1976MNRAS.174..225H 1976MNRAS.177...73M 1975MNRAS.173..801H 1974AJ.....79.1280T 1974ApJ...189..205K 1974ApJ...189..409M 1973A&AS...11...93V 1973BICDS...4...22M 1973IAUS...50..162M 1972ApJ...172..615M 1971A&A....14..226S 1971A&AS....4..241B 1971Obs....91...78H 1970A&A.....8..112V 1970MNRAS.150..279C 1970PDDO....4....1H 1968ArA.....5....1L 1967ApJS...14..384W 1964RGOB...82..106K 1963ZA.....57..117B 1962ApJ...135...11S 1958ZA.....46..176V Measures (distance:6 Fe_H:14 PLX:6 PM:10 velocities:10 ): distance:6Fe_H:14PLX:6PM:10velocities:10 Notes (0) : ================================================================================