C.D.S. - SIMBAD4 rel 1.8 - 2024.07.05CEST03:22:16 IC 2157 ------- Object IC 2157 --- OpC --- OID=@853874 (@@20450,23) --- coobox=5288 Coordinates(ICRS,ep=J2000,eq=2000): 06 04 43.9 +24 05 28 (Opt ) D [~ ~ ] 2020A&A...633A..99C Coordinates(FK4,ep=B1950,eq=1950): 06 01 40.3 +24 05 42 Coordinates(Gal,ep=J2000,eq=2000): 186.3400 +01.2431 hierarchy counts: #parents=0, #children=48, #siblings=0 Proper motions: 0.959 -2.982 [0.018 0.014 90] C 2020A&A...633A..99C Parallax: 0.448 [0.006] C 2020A&A...633A..99C Radial Velocity: 10.009072 [3.3660548] C 2020A&A...640A.127Z Redshift: 0.000033 [0.000011] C 2020A&A...640A.127Z cz: 10.01 [3.37] C 2020A&A...640A.127Z Flux B : 8.91 [~] E ~ Flux V : 8.4 [~] E ~ Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: 5.6 5.6 0 (Opt ) D 2020A&A...633A..99C Identifiers (7): C 0601+240 IC 2157 OCISM 104 OCl 465 Cl Collinder 80 Cl Trumpler 4 [KPS2012] MWSC 0722 Bibcodes 1850-2024 () (46): 2023MNRAS.525.2315A 2021A&A...650A..67R 2021A&A...651A.104P 2021A&A...656A..49H 2021ApJ...912....5H 2021MNRAS.504..356D 2020A&A...633A..99C 2020A&A...640A...1C 2020A&A...640A.127Z 2019A&A...623A.108B 2019ApJS..245...32L 2018A&A...618A..93C 2018AJ....155...91Y 2018MNRAS.478.5184D 2017AJ....153...57Z 2017AstBu..72..257L 2017MNRAS.470.3937S 2016A&A...585A.101K 2015A&A...582A..19N 2014A&A...564A..29B 2014A&A...564A..79D 2013A&A...558A..53K 2011ApJS..194....9F 2008A&A...486..771K 2007A&A...463..789A 2006A&A...446..949D 2002A&A...388..168D 2001Ap.....44..463M 1998AN....319..173K 1997AN....318..253K 1995A&AS..109..375A 1995AZh....72..333D 1995ApJ...445..246C 1994A&AS..104..379B 1991MNRAS.249...76B 1989S&T....77..338H 1988NASAR1202....1L 1988PAZh...14..817E 1987AZh....64..965E 1986BICDS..31..175M 1982ApJS...49..425J 1973A&AS...11..287G 1971A&AS....4..241B 1963ZA.....57..117B 1958ZA.....45..282B 1938AnHar.106...39C Measures (distance:3 Fe_H:1 PLX:5 PM:7 ): distance:3Fe_H:1PLX:5PM:7 Notes (0) : ================================================================================