C.D.S. - SIMBAD4 rel 1.8 - 2024.05.20CEST06:52:48 NGC_657 ------- Object NGC 657 --- OpC --- OID=@108604 (@@3297,18) --- coobox=2251 Coordinates(ICRS,ep=J2000,eq=2000): 01 43 23.8 +55 50 24 (Opt ) E [~ ~ ] 2013A&A...558A..53K Coordinates(FK4,ep=B1950,eq=1950): 01 40 07.9 +55 35 19 Coordinates(Gal,ep=J2000,eq=2000): 130.2268 -06.2941 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: -0.366 -0.859 [0.219 0.217 90] D 2017AstBu..72..257L Parallax: ~ [~] ~ ~ Radial Velocity: ~ [~ ~ ] ~ ~ Redshift: ~ [~ ~ ] ~ ~ cz: ~ [~ ~ ] ~ ~ Flux Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (3): C 0140+556 NGC 657 [KPS2012] MWSC 0135 Bibcodes 1850-2024 () (8): 2017AstBu..72..257L 2017MNRAS.470.3937S 2016A&A...585A.101K 2014A&A...564A..79D 2013A&A...558A..53K 2012A&A...543A.156K 2012RAA....12..805C 2005JApA...26..293H Measures (distance:1 PM:2 ): distance:1PM:2 Notes (0) : ================================================================================