C.D.S. - SIMBAD4 rel 1.8 - 2024.03.28CET17:09:46 NGC1981 ------- Object NGC 1981 --- OpC --- OID=@800928 (@@16410,15) --- coobox=6479 Coordinates(ICRS,ep=J2000,eq=2000): 05 35 23.5 -04 29 10 (Opt ) D [~ ~ ] 2021A&A...647A..19T Coordinates(FK4,ep=B1950,eq=1950): 05 32 55.0 -04 31 02 Coordinates(Gal,ep=J2000,eq=2000): 208.1726 -18.9472 hierarchy counts: #parents=0, #children=220, #siblings=0 Proper motions: 1.071 0.614 [0.202 0.377 90] C 2020A&A...635A..45C Parallax: 2.5387 [0.0658] C 2020A&A...635A..45C Radial Velocity: 28.8 [0.2] A 2020AJ....159..199D Redshift: 0.000096 [0.000001] A 2020AJ....159..199D cz: 28.80 [0.20] A 2020AJ....159..199D Flux V : 4.2 [~] E ~ Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (7): UBC 207 C 0532-044 NGC 1981 OCl 525.0 [KPR2004b] 73 NAME Upper Sword [KPS2012] MWSC 0579 Bibcodes 1850-2024 () (86): 2023MNRAS.523..169S 2022A&A...668A...4F 2021A&A...647A..19T 2021A&A...647A..91G 2021A&A...651A.104P 2021ApJ...912..165R 2021MNRAS.503.3279S 2021MNRAS.506.4603D 2020A&A...635A..45C 2020A&A...639A.110A 2020A&A...640A...1C 2020A&A...643A.114C 2020A&A...643A.151R 2020AJ....159..199D 2020MNRAS.499.1874M 2019A&A...622A..72V 2019MNRAS.489.4418J 2018A&A...619A.106G 2018AJ....156...84K 2018ApJ...869...72Y 2018MNRAS.473.4890S 2018MNRAS.478.5184D 2017A&A...598A.124K 2017A&A...600A.106C 2017A&A...607A.127S 2017A&A...608A.148Z 2017AJ....153..188F 2017AJ....154...29K 2017AJ....154...87K 2017AstBu..72..257L 2017MNRAS.470.3937S 2016A&A...585A.101K 2016A&A...587A.153M 2016A&A...589A..80H 2016A&A...590A...2S 2016A&A...593A.116J 2016AJ....151....5M 2016MNRAS.457.1339P 2016MNRAS.461.1734D 2015BaltA..24...17G 2014A&A...564A..29B 2014A&A...564A..79D 2014MNRAS.444.1157D 2013A&A...558A..53K 2013ApJ...768...99P 2012A&A...547A..97A 2012ApJ...756..137B 2012AstL...38..506G 2012AstL...38..681F 2011ARep...55..123V 2010ARep...54..784V 2010ApJ...719..104D 2010MNRAS.407.1875M 2010MNRAS.407.2109V 2009A&A...495..807K 2009A&A...496..153D 2009A&A...500L..13D 2009A&A...504..681K 2009ApJ...700..436D 2009MNRAS.397....2E 2009MNRAS.399.2146W 2008A&A...477..165P 2008A&A...485..931C 2008AJ....135.2380T 2008ApJ...676.1109F 2007A&A...468..151P 2006A&A...445..545P 2006A&A...446..949D 2006A&A...454..775A 2006AstL...32..816B 2005A&A...438.1163K 2004AN....325..740K 1999MNRAS.310..331M 1995A&A...302...86S 1993S&T....85a..48H 1993S&T....85d..38S 1990BICDS..38..151R 1989AZh....66.1154B 1988A&AS...76..127R 1987A&A...176...34H 1986ApJ...303..375M 1984AISAO..18...64P 1983A&AS...53..181A 1971A&A....13..309W 1949ApJ...110..117S 1931PASP...43..255T Measures (distance:4 Fe_H:1 PLX:4 PM:6 velocities:5 ): distance:4Fe_H:1PLX:4PM:6velocities:5 Notes (0) : ================================================================================