C.D.S. - SIMBAD4 rel 1.8 - 2023.01.29CET13:35:24 M55 --- Object M 55 --- GlC --- OID=@2397114 (@@125792,0) --- coobox=19010 Coordinates(ICRS,ep=J2000,eq=2000): 19 39 59.71 -30 57 53.1 (Opt ) D [~ ~ ] 2010AJ....140.1830G Coordinates(FK4,ep=B1950,eq=1950): 19 36 49.40 -31 04 49.9 Coordinates(Gal,ep=J2000,eq=2000): 008.79257 -23.27165 hierarchy counts: #parents=0, #children=210, #siblings=0 Proper motions: -3.41 -9.27 [0.01 0.01 90] C 2019MNRAS.482.5138B Parallax: 0.209 [0.010] C 2021MNRAS.505.5978V Radial Velocity: 174.8 [0.2] A 2018MNRAS.478.1520B Redshift: 0.000583 [0.000001] A 2018MNRAS.478.1520B cz: 174.85 [0.20] A 2018MNRAS.478.1520B Flux V : 6.49 [~] D 2012AJ....144..126D Flux K : 3.69 [~] D 2008MNRAS.389.1924F Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: 19.0 19.0 90 (Opt ) D 1989Sci...246.1066D Identifiers (8): C 1936-310 GCl 113 M 55 NGC 6809 [KPS2012] MWSC 3150 CD-31 16934 GCRV 6723 E HD 185385 Bibcodes 1850-2023 () (821): 2022A&A...657A..33A 2022A&A...657A..84F 2022A&A...658A..91A 2022A&A...659A..96M 2022A&A...662A..47B 2022A&A...666A.177C 2022ApJ...925...36B 2022ApJ...926...99D 2022ApJ...929..116O 2022ApJ...934..150L 2022ApJ...935...34T 2022ApJ...940...97J 2022MNRAS.509.3924W 2022MNRAS.509.4189V 2022MNRAS.509.4208V 2022MNRAS.509.4276F 2022MNRAS.510.5945M 2022MNRAS.513..232N 2022MNRAS.513..735L 2022MNRAS.513.3136Z 2022MNRAS.514.1122S 2022MNRAS.514.4982P 2021A&A...646A...9C 2021A&A...648A.108R 2021A&A...649A...5F 2021A&A...649A.154C 2021A&A...650A..67R 2021AJ....161..288G 2021AJ....162..303S 2021ApJ...906...76D 2021ApJ...910....6L 2021ApJ...912..102R 2021ApJ...914...77Z 2021ApJ...920..129J 2021ApJ...922..104C 2021MNRAS.500.2937A 2021MNRAS.501.5212L 2021MNRAS.504.1355V 2021MNRAS.505.3033P 2021MNRAS.505.5957B 2021MNRAS.505.5978V 2021MNRAS.506.4131W 2021NatAs...5.1247M 2021RAA....21..108I 2021RAA....21..173B 2020A&A...635A.125Y 2020A&A...640A..87M 2020A&A...643A..77P 2020A&A...643L...4F 2020A&A...644A.166S 2020ApJ...891....8C 2020ApJ...891...57F 2020ApJ...895...69B 2020ApJ...896...29K 2020ApJ...898..162W 2020ApJ...901...57B 2020ApJ...903...73S 2020ApJ...904..198C 2020MNRAS.491.3251P 2020MNRAS.492.1641M 2020MNRAS.492.3859D 2020MNRAS.492.4254T 2020MNRAS.492.5684H 2020MNRAS.493..847F 2020MNRAS.493.2688B 2020MNRAS.493.3363H 2020MNRAS.494.4226E 2020MNRAS.495.3981S 2020MNRAS.496.3436B 2020MNRAS.498.2309S 2020MNRAS.498.2472K 2020MNRAS.498.5745T 2020MNRAS.499..804G 2019A&A...624A..24C 2019A&A...625A..68S 2019A&A...629A..53T 2019A&A...630L...4M 2019AJ....158...14N 2019AJ....158..202L 2019ARep...63..274M 2019ApJ...883...84R 2019ApJS..243....7H 2019ApJS..245....5B 2019ApJS..245...25J 2019MNRAS.482..231L 2019MNRAS.482.1275U 2019MNRAS.482.4874S 2019MNRAS.482.5138B 2019MNRAS.483.1674R 2019MNRAS.483.1737K 2019MNRAS.484.2832V 2019MNRAS.484.3093S 2019MNRAS.485.1460S 2019MNRAS.485.3042S 2019MNRAS.485.4906D 2019MNRAS.485.5345A 2019MNRAS.486..851D 2019MNRAS.486.3180K 2019MNRAS.486.5924K 2019MNRAS.487.3815M 2019MNRAS.489..623V 2019MNRAS.489.2997D 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2017ApJ...838L..14M 2017ApJ...839...89W 2017ApJ...840...66G 2017ApJ...840L..25M 2017ApJ...842....1G 2017ApJ...849..159D 2017ApJS..233...25A 2017MNRAS.464.1874C 2017MNRAS.464.2174B 2017MNRAS.464.3636M 2017MNRAS.465.2489T 2017MNRAS.466.3937C 2017MNRAS.467.2349S 2017MNRAS.468.1038W 2017MNRAS.468.3828U 2017MNRAS.470..977L 2017MNRAS.471.1446N 2017MNRAS.471.2537H 2017MNRAS.471.3347W 2017MNRAS.471.3668S 2017RAA....17...48W 2016A&A...585A..70L 2016A&A...585A.101K 2016A&A...587A..53K 2016A&A...590A..16D 2016A&A...592A.111C 2016AJ....151...27S 2016AJ....152..153J 2016ApJ...822...44B 2016ApJ...824....5B 2016ApJ...829..108E 2016ApJ...830..139P 2016ApJ...833L..29L 2016ApJS..226...16L 2016MNRAS.456.3866C 2016MNRAS.460.1869C 2016MNRAS.460.2025K 2016MNRAS.462.3401S 2016MNRAS.463.3768W 2015A&A...573A..92G 2015A&A...573A.115L 2015A&A...577A.117S 2015A&A...578A.116C 2015A&A...581A..72F 2015A&A...584A..59S 2015AJ....149...53K 2015AJ....149...91P 2015AJ....149..204S 2015AJ....150..155K 2015AcA....65...81K 2015ApJ...800....3C 2015ApJ...804..110W 2015ApJ...805..178B 2015ApJ...806...54E 2015ApJ...807...32J 2015ApJS..218...31J 2015ApJS..219....7L 2015BaltA..24..379K 2015MNRAS.448..502M 2015MNRAS.452..727A 2015MNRAS.453.3278W 2014A&A...563A...5S 2014A&A...563A..76M 2014A&A...564A..60C 2014A&A...565A..18A 2014A&A...567A..64H 2014AJ....147...31M 2014AcA....64...11K 2014AcA....64..309K 2014ApJ...780...90S 2014ApJ...780...94C 2014ApJ...783...34F 2014ApJ...785...21M 2014ApJ...793..110M 2014ApJ...797...35G 2014ApJS..211....1H 2014MNRAS.437.3172D 2014MNRAS.439.3765D 2014MNRAS.441.3396Y 2014MNRAS.442.1569W 2014MNRAS.443.1151N 2014MNRAS.445.4443K 2014PASP..126..616S 2013A&A...552A.110G 2013A&A...554A..46G 2013A&A...554L...6K 2013A&A...555A..36K 2013A&A...558A..53K 2013A&A...558A.117L 2013A&A...559A..98V 2013A&A...560A...5C 2013AJ....145...25K 2013AJ....145...33K 2013AJ....145..123S 2013AJ....145..132C 2013AJ....146..116H 2013AJ....146..141V 2013AcA....63...67R 2013AcA....63..181K 2013ApJ...765...71C 2013ApJ...766...77N 2013ApJ...766..136B 2013ApJ...768..158J 2013ApJ...769...87C 2013ApJ...774..151M 2013ApJ...775..134V 2013ApJ...777..106C 2013ApJ...778...57G 2013MNRAS.428.3196H 2013MNRAS.429.1221H 2013MNRAS.430.3350Y 2013MNRAS.431.2126M 2013MNRAS.435..263B 2013Msngr.151....2H 2013RMxAA..49...53A 2012A&A...537A..51W 2012A&A...538A..18B 2012A&A...539A..65Z 2012A&A...540A..16M 2012A&A...540A..27S 2012A&A...543A..87S 2012A&A...548A..92K 2012A&A...548A.107L 2012A&ARv..20...50G 2012AJ....143...70A 2012AJ....143..121S 2012AJ....144...76W 2012AJ....144..126D 2012AJ....144..183L 2012AcA....62..357Z 2012ApJ...746..189V 2012ApJ...747L..37M 2012ApJ...749...52H 2012ApJ...750...91C 2012ApJ...755..156S 2012ApJ...758...21C 2012MNRAS.419..342C 2012MNRAS.422.1171S 2012MNRAS.422.2116K 2012MNRAS.422.2246M 2012Natur.492..393F 2011A&A...530A..31L 2011A&A...534A...3G 2011A&A...534A...7D 2011AJ....141...61C 2011AJ....142..100Z 2011AJ....142..110M 2011AJ....142..199B 2011ApJ...726..108T 2011ApJ...727....9C 2011ApJ...732L..17R 2011ApJ...736..158L 2011ApJ...742...51B 2011ApJ...743...20S 2011JHA....42..177H 2011MNRAS.414.3699M 2011MNRAS.414.3711Z 2011MNRAS.415.1366K 2011MNRAS.416.1056C 2011MNRAS.416.2265A 2011MNRAS.417.1022N 2011PASP..123..879T 2011PASP..123.1044V 2011PASP..123.1139O 2010A&A...512A..35P 2010A&A...513A..16H 2010A&A...516A..55C 2010A&A...517A..81G 2010A&A...519A..60B 2010A&A...522A..71J 2010A&A...524A..44P 2010AJ....139..476P 2010AJ....139.2374S 2010AJ....140.1043V 2010AJ....140.1119S 2010AJ....140.1766C 2010AJ....140.1830G 2010AcA....60..245K 2010ApJ...708..698D 2010ApJ...712..380L 2010ApJ...712..527D 2010ApJ...712L..21C 2010ApJ...714.1582B 2010ApJ...718..105D 2010ApJ...719L.213D 2010ApJ...721.1790C 2010ApJ...722.1373J 2010ApJ...724..975R 2010JRASC.104..162G 2010MNRAS.401.1832B 2010MNRAS.401.2521L 2010MNRAS.404.1203F 2010MNRAS.405L..36L 2010MNRAS.406.2000M 2010MNRAS.406.2732L 2010Msngr.142...28G 2010PASP..122..651B 2010RAA....10..135L 2010RMxAC..37...62F 2009A&A...500..785K 2009A&A...505..117C 2009A&A...505..139C 2009A&A...508..695C 2009AJ....137..272R 2009AJ....137.4586J 2009AJ....138..615M 2009ApJ...694.1498M 2009ApJ...697..207W 2009ApJ...700.1702V 2009ApJ...703..816K 2009ApJ...705..175L 2009AstL...35..625G 2009MNRAS.392..113V 2009MNRAS.392..665G 2009MNRAS.394.1649M 2009MNRAS.396.1075G 2009PASP..121.1378S 2008A&A...481..701S 2008A&A...483..183M 2008A&A...486..437K 2008A&A...487..921M 2008A&A...488..921B 2008A&A...489.1079P 2008AJ....135.1117M 2008AJ....135.2055A 2008AJ....135.2155D 2008AJ....135.2264G 2008AJ....136..506D 2008AJ....136.2522M 2008ApJ...673..854Y 2008ApJ...677.1069D 2008ApJ...679..712B 2008ApJ...681..311D 2008ApJ...685..247B 2008ApJ...685..947P 2008JBAA..118..160M 2008MNRAS.384.1444A 2008MNRAS.385..231H 2008MNRAS.388.1111P 2008MNRAS.389.1924F 2008MmSAI..79..352O 2008MmSAI..79..360B 2008MmSAI..79..600F 2008PASP..120....7M 2008PASP..120...38U 2008RMxAA..44..365A 2007A&A...463..789A 2007A&A...465..357F 2007A&A...467.1025G 2007A&A...472..131C 2007A&A...476..779B 2007AJ....133...99C 2007AJ....133.1658S 2007AJ....134..825V 2007AN....328..107S 2007AN....328..879S 2007ApJ...656..897C 2007ApJ...656L..65D 2007ApJ...659L.129K 2007ApJ...661..210L 2007ApJ...663..267L 2007ApJ...663.1040L 2007ApJ...670.1065L 2007ChJAA...7..111G 2007MNRAS.374.1421M 2007MNRAS.380..781S 2007MNRAS.381.1575S 2007MNRAS.381L..70H 2006A&A...445..155W 2006A&A...448..983R 2006A&A...450..105B 2006A&A...453..547L 2006A&A...458..777K 2006AJ....131.1416N 2006AJ....131.2949S 2006AJ....132.2171L 2006ApJ...636L..97D 2006ApJ...636L.129J 2006ApJ...638..433F 2006ApJ...642..225F 2006ApJ...646L.143P 2006ApJ...647.1075S 2006ApJ...647L..53F 2006ApJ...648.1026W 2006ApJ...650..195M 2006ApJ...652.1150A 2006MNRAS.365.1357D 2006MNRAS.366..227M 2006MNRAS.372...69L 2006MNRAS.372.1043I 2006MNRAS.372.1675S 2006MNRAS.373..361M 2006MmSAI..77..864C 2006PASP..118..740S 2006RMxAA..42...75A 2005A&A...431..279V 2005A&A...436..379W 2005A&A...438..757C 2005AJ....129..466C 2005AJ....129..656C 2005AJ....130..116D 2005AJ....130.2140P 2005AcA....55..303J 2005ApJ...628..729P 2005ApJS..161..304M 2005IBVS.5632....1A 2005JHA....36..373H 2005MNRAS.359..615P 2005MNRAS.359..677K 2005PASP..117..245R 2005PASP..117.1325S 2004A&A...413..343C 2004A&A...422L...9H 2004A&A...428...79S 2004AJ....127.1227C 2004AJ....127.2185N 2004AJ....128.3019C 2004ApJ...603..127F 2004ApJ...605L..29M 2004ApJ...611..323S 2004ApJ...612.1092D 2004ApJ...617.1296S 2004MNRAS.351.1204V 2004MNRAS.353..874M 2004MNRAS.354..815V 2004MNRAS.355..504M 2004MmSAI..75..274G 2004MmSAI..75..643L 2004RMxAA..40..209A 2003A&A...398..541K 2003A&A...399..931Z 2003A&A...410..871C 2003AJ....125..684S 2003AJ....125.2543C 2003AJ....125.3165J 2003AcA....53...93S 2003ApJ...590..797V 2003ApJ...593..622J 2003ApJS..148..175S 2003AstL...29..214B 2003IAUS..211..215D 2003MNRAS.340.1205M 2003MNRAS.344.1000B 2003PASP..115..143K 2002A&A...388..492S 2002A&A...390..937I 2002A&A...392..115P 2002AJ....123.2541B 2002AJ....124..332D 2002AJ....124..977C 2002AJ....124.2067V 2002AcASn..43..302W 2002Ap&SS.282..731K 2002ApJ...564..736P 2002ApJ...576..963T 2002MNRAS.333..561K 2002MNRAS.333..825C 2002MNRAS.336..276D 2002Msngr.110....1P 2002PASP..114..475T 2002PASP..114.1215S 2002S&T...103d..32F 2001A&A...366..178R 2001A&A...367..148P 2001A&A...368..137V 2001A&A...369..862K 2001A&A...371..579K 2001A&A...371..986P 2001A&A...373..159C 2001A&A...373..899K 2001A&A...375..909C 2001AJ....121.1974R 2001AJ....122.2587C 2001AJ....122.3106E 2001AJ....122.3231G 2001ApJ...554.1124S 2001MNRAS.321..421O 2001MNRAS.326..342C 2001PASP..113..335M 2001Rech..345...38M 2000A&A...355..966S 2000A&A...355..994H 2000A&A...359..347D 2000A&A...359..597R 2000A&A...359..907L 2000A&A...361L..57O 2000A&A...362..895H 2000A&AS..143..215K 2000A&AS..144....5R 2000AJ....119..705D 2000AJ....119.1282F 2000AJ....120.1014P 2000AJ....120.1364C 2000AJ....120.2550M 2000AJ....120.2579C 2000AJ....120.3111A 2000ARep...44..665B 2000ApJ...534..870P 2000ApJ...542..257A 2000MNRAS.311..673B 2000MNRAS.313..571S 2000MNRAS.315..679C 2000MNRAS.316..819C 2000PASP..112..434T 2000PASP..112..575R 1999A&A...345..485P 1999A&A...350..476R 1999AJ....117..277D 1999AJ....117..303D 1999AJ....117.1792D 1999AJ....118..442O 1999AJ....118..920L 1999AJ....118.1719J 1999AJ....118.1738F 1999AJ....118.2306R 1999AcA....49..371D 1999ApJ...527..199J 1999MNRAS.302..587D 1999MNRAS.302..771J 1999MNRAS.307..619B 1999PASP..111.1115S 1998A&A...330..453M 1998A&A...331..541Z 1998A&A...333..505B 1998A&A...335..929B 1998A&A...336..315K 1998ApJ...494...96C 1998ApJ...494..265C 1998ApJ...498..704J 1998ApJ...508L..55M 1998JRASC..92T..30M 1998MNRAS.294..315M 1998MNRAS.297..872M 1998MNRAS.300..665O 1998S&T....95e..42J 1997A&A...327.1004Z 1997AGAb...13..230R 1997AJ....113..634I 1997AJ....113..706B 1997AJ....114.1060M 1997ARep...41..436B 1997ApJ...474..217A 1997ApJ...474..223G 1997ApJ...476L..15C 1997ApJ...484..741R 1997IrAJ...24...39K 1997PASP..109..883R 1997PASP..109..907R 1997PASP..109.1321S 1996A&A...309..109K 1996A&A...309..116J 1996A&A...311..778B 1996A&A...312...80J 1996AJ....112.1487H 1996AJ....112.1536M 1996AJ....112.2013S 1996AJ....112.2576D 1996AJ....112.2634V 1996ApJ...458L..13M 1996ApJ...459..558C 1996ApJ...459L..65F 1996ApJ...463..602R 1996ApJ...467..272F 1996ApJ...468..241E 1996ApJ...470..953M 1996BaltA...5..425P 1996IAUS..174..171G 1996JRASC..90Q.330M 1996MNRAS.280..835L 1996MNRAS.282..691B 1996MNRAS.283.1089K 1996Sci...271..957C 1995A&A...300..732V 1995A&AS..113..299M 1995AJ....109..218T 1995AJ....109.2533D 1995AJ....110.1171V 1995AZh....72..641E 1995AcA....45..653J 1995Ap&SS.230..187M 1995ApJ...444..672B 1995ApJ...446....1S 1995ApJ...447..680N 1995ApJ...454..767C 1995BAAS...27..881W 1995IrAJ...22...21K 1995IrAJ...22..186M 1994A&A...286..535L 1994A&A...290..148K 1994AJ....107..230A 1994AJ....107..738R 1994AJ....108.1773J 1994ApJ...423..248L 1994ApJ...423..274D 1994MNRAS.267...77F 1994MmSAI..65..667Z 1994PASP..106..205S 1994RMxAA..29..120P 1993A&A...276...41C 1993AJ....105.1145F 1993AJ....106..142B 1993AJ....106..719S 1993AJ....106.1853V 1993Ap&SS.206..285M 1993ApJ...411..178V 1993ApJ...413..548M 1993ApJ...414..580S 1993MNRAS.262..588V 1993RMxAA..26..103G 1993yCat.3135....0C 1992AJ....104..190A 1992AJ....104..627G 1992AJ....104.1472S 1992AJ....104.1831F 1992AJ....104.1850A 1992AJ....104.2112D 1992AN....313...45S 1992ApJ...386..663C 1992ApJ...390L..81W 1992ApJ...394..515C 1992ComAp..16...61T 1992MmSAI..63..409C 1992Msngr..69...21A 1992PASP..104..981H 1991A&A...252...94M 1991AJ....101..967H 1991AJ....102.1026P 1991AJ....102.1348H 1991AJ....102.1836G 1991ApJ...367..528S 1991ApJ...375..121P 1991ApJ...375..594V 1991BAAS...23..949G 1991BAAS...23.1329B 1991BAAS...23.1473S 1991PASAu...9...37C 1990A&A...230..315B 1990AJ.....99..572C 1990AJ....100..445V 1990AJ....100..719L 1990ApJ...350..631S 1990ApJ...350..645S 1990ApJ...353..533S 1990ApJ...356..174K 1990ApJ...359..307B 1990ApJ...362..503B 1990ApJ...363..159L 1990BAAS...22.1284M 1989A&A...216...80B 1989AJ.....97..375A 1989AJ.....98.1624S 1989ApJ...339..904C 1989ApJS...71..713S 1989Ast....17e..90S 1989BAAS...21..711P 1989MNRAS.238..225S 1989MNRAS.238.1319T 1989Msngr..56...54O 1989PAZh...15..824K 1988A&A...204..101R 1988AJ.....96..139A 1988AJ.....96.1632S 1988ATsir1527...21E 1988ATsir1527...23Y 1988ApJ...330..191R 1988ApJ...335..720A 1988ApJS...68....1L 1988IAUS..126..411R 1988IAUS..132..501S 1988MNRAS.233..677D 1988MNRAS.234...87C 1988PASP..100..545R 1987A&A...183..228C 1987A&AS...71....1C 1987AZh....64..686S 1987Ap&SS.133...59D 1987ApJ...313L..65N 1987ApJ...317..246W 1987BAAS...19..678P 1987BAAS...19Q.705B 1987PASP...99...20P 1987PASP...99.1153P 1986A&AS...65..103H 1986AJ.....91..312S 1986AZh....63..659E 1986ApJ...300..258B 1986ApJ...300..279H 1986ApJ...305L..61D 1986ApJ...311..796S 1986ApJS...61..667N 1986ApL....25..127H 1986MmSAI..57..321A 1986MmSAI..57..333B 1986PASP...98..192P 1986PASP...98..403H 1986PASP...98.1258P 1985A&A...142..321D 1985ATsir1357....3S 1985ApJ...290..171H 1985ApJ...293..424Z 1985ApJS...59...63R 1985BAAS...17..882P 1985IAUS..113..103S 1985IAUS..113..541W 1985MNRAS.214..491H 1985PASP...97..120R 1985PASP...97..465H 1985PASP...97..835C 1984A&A...132...11G 1984A&A...132..361V 1984A&A...138..485C 1984AExpr...1....1V 1984AJ.....89...83I 1984ApJ...281..614P 1984ApJS...55...45Z 1984IzPul.202...83K 1984PASP...96..198K 1984PASP...96..932P 1984TrLen..39...93P 1983A&A...125..359G 1983A&A...128...94B 1983A&AS...53...47A 1983AJ.....88..338I 1983AN....304..305N 1983AZh....60...44Z 1983Ap&SS..91...99B 1983ApJ...266..130N 1983ApJ...272..245N 1983BAAS...15..920I 1983MNRAS.205..875P 1983MmSAI..54..173D 1983MmSAI..54..199V 1983MmSAI..54..419C 1983PASP...95..256H 1982A&A...113...39B 1982ApJ...252..553S 1982ApJ...254..149S 1982ApJ...262..145L 1982MNRAS.198..173F 1982MNRAS.199..565F 1982MSS...C03....0H 1981A&A...104..215B 1981ApJ...248..177N 1981ApJS...45..259W 1981CSCAS.C......0R 1980ApJ...241..602Z 1980IAUS...85...81H 1979ApJ...231L..19H 1977A&AS...29....1L 1977ApJ...217L.143H 1977PASP...89..491A 1976AJ.....81..817K 1975A&A....42..109W 1975A&AS...22..193A 1975AJ.....80..427P 1975ApJS...29..397H 1974AJ.....79...31H 1973PDDO....3....6S 1968AJ.....73..456K 1965Obs....85..197K 1962AJ.....67..769F 1959MNRAS.119..157K 1957AJ.....62..334V 1939PDDO....1..125S 1919ApJ....50...42S 1919ApJ....50..107S 1918ApJ....48..154S 1898ApJ.....8..257P 1850CDT..1784..227M Measures (distance:1 Fe_H:7 PLX:2 PM:3 velocities:3 XMM:1 ): distance:1Fe_H:7PLX:2PM:3velocities:3XMM:1 Notes (0) : ================================================================================