C.D.S. - SIMBAD4 rel 1.8 - 2024.04.19CEST13:00:07 Messier 23 ---------- Object M 23 --- OpC --- OID=@2548469 (@@54779,31) --- coobox=17326 Coordinates(ICRS,ep=J2000,eq=2000): 17 56 56.9 -18 59 13 (Opt ) D [~ ~ ] 2021A&A...647A..19T Coordinates(FK4,ep=B1950,eq=1950): 17 54 00.1 -18 58 53 Coordinates(Gal,ep=J2000,eq=2000): 009.8779 +02.8575 hierarchy counts: #parents=0, #children=1745, #siblings=0 Proper motions: 0.284 -1.809 [0.008 0.008 90] C 2020A&A...633A..99C Parallax: 1.354 [0.002] C 2020A&A...633A..99C Radial Velocity: -31.73 [0.01] A 2019A&A...623A..80C Redshift: -0.000106 [0.000000] A 2019A&A...623A..80C cz: -31.73 [0.01] A 2019A&A...623A..80C Flux Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: 35.0 35.0 0 (Opt ) D 2020A&A...633A..99C Identifiers (6): [KC2019] Theia 653 C 1753-190 M 23 NGC 6494 [KPR2004b] 422 [KPS2012] MWSC 2757 Bibcodes 1850-2024 () (132): 2023A&A...672A..29C 2023A&A...674A.157T 2023A&A...675A..89D 2022A&A...659A..59T 2022A&A...664A.175P 2022MNRAS.509..421N 2022MNRAS.509.4276F 2021A&A...647A..19T 2021A&A...650A..67R 2021A&A...651A.104P 2021A&A...656A..49H 2021AJ....162..250Z 2021ApJ...912....5H 2021ApJ...912..165R 2021ApJ...917...79S 2021MNRAS.503.3279S 2021MNRAS.504..356D 2021MNRAS.507.1699J 2020A&A...633A..99C 2020A&A...640A...1C 2019A&A...623A..80C 2019A&A...623A.108B 2019AJ....158..122K 2019ApJS..245...32L 2019MNRAS.490.2521H 2018A&A...615A..49C 2018A&A...618A..65B 2018A&A...618A..93C 2018A&A...619A.155S 2018A&A...620A.139L 2018MNRAS.473..849D 2018MNRAS.478.5184D 2017A&A...600A.106C 2017AJ....153...57Z 2017AstBu..72..257L 2017MNRAS.469.3042N 2017MNRAS.470.3937S 2016A&A...585A.101K 2016A&A...585A.150N 2016A&A...593A..21M 2016A&A...593A.116J 2016AJ....152....9B 2016ARep...60...43M 2016RAA....16g...5K 2015A&A...577A..47B 2015MNRAS.449.2638P 2015MNRAS.454.3805W 2014A&A...561A..93H 2014A&A...564A..79D 2013A&A...558A..53K 2013ApJ...776L..24T 2012A&A...538A.151S 2012A&A...538A.152Z 2012ApJ...758L...9M 2012AstL...38..506G 2011AJ....142...53M 2011JHA....42..177H 2010A&A...517A..32P 2010JRASC.104..162G 2010MNRAS.407.2109V 2009A&A...495..807K 2009A&A...504..681K 2009MNRAS.399.2146W 2008A&A...477..165P 2008A&A...485..303M 2007A&A...463..789A 2007A&A...468..151P 2006A&A...445..545P 2006A&A...446..949D 2006ChJAA...6..287Z 2006JHA....37..251H 2005A&A...438.1163K 2005JHA....36..373H 2004AN....325..740K 2004ARep...48..733Z 2003AJ....125.1397C 2003ARep...47....6L 2002ChJAA...2...17H 2002S&T...103d..32F 2001A&A...376..441D 2001S&T...102e..48K 2000A&AS..146..251B 1997AJ....114.2556T 1996BaltA...5..445P 1995A&AS..109..375A 1995AJ....110.2813P 1995PAZh...21..331D 1994A&AS..104..379B 1993A&AS...98..477M 1993PAZh...19..587G 1991AJ....102..177L 1991MNRAS.249...76B 1990A&AS...84..615S 1990RMxAA..21..351C 1989AISof...5...43P 1989Afz....31...37E 1989BDus...80...13L 1989MNRAS.241..301C 1988AZh....65..730E 1988ApJS...68....1L 1988GriO...52d...2V 1987A&AS...68..259H 1987Ap&SS.133...59D 1987ApJ...313..743J 1987ApJS...64..241S 1987RMxAA..14..420P 1986BICDS..31..175M 1985AN....306...45S 1985IAUS..113..427M 1985IAUS..113..579V 1983A&A...118..361M 1983A&A...121..237B 1982ApJS...49..425J 1981A&AS...44..467M 1980A&A....88..102S 1980IAUS...85..129M 1976ApJS...30..451H 1975A&A....43...37B 1974AJ.....79.1280T 1973BICDS...4...22M 1971A&AS....4..241B 1970PDDO....4....1H 1968ArA.....5....1L 1967POPad.138....1B 1965ApJS...12..215H 1963ZA.....57..117B 1961LowOB...5..133J 1961PUSNO..17..343H 1961VA......8..139H 1956PZ.....11..325K 1953MNRAS.113..758S 1850CDT..1784..227M Measures (distance:8 Fe_H:4 PLX:8 PM:9 velocities:6 ): distance:8Fe_H:4PLX:8PM:9velocities:6 Notes (0) : ================================================================================