C.D.S. - SIMBAD4 rel 1.8 - 2024.03.28CET19:23:30 4U 1708-23 ---------- Object X Oph X-2 --- X --- OID=@2510998 (@@52886,3) --- coobox=17021 Coordinates(ICRS,ep=J2000,eq=2000): 17 08 23.0 -22 48 12 (~) E [~ ~ ] 1972ApJ...178..281G Coordinates(FK4,ep=B1950,eq=1950): 17 05 21.9 -22 44 22 Coordinates(Gal,ep=J2000,eq=2000): 000.4938 +10.3628 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: ~ ~ [~ ~ ] ~ ~ Parallax: ~ [~] ~ ~ Radial Velocity: ~ [~ ~ ] ~ ~ Redshift: ~ [~ ~ ] ~ ~ cz: ~ [~ ~ ] ~ ~ Flux Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (6): 1M 1709-233 2U 1705-22 3A 1708-232 3U 1709-23 4U 1708-23 X Oph X-2 Bibcodes 1850-2024 () (28): 2023MNRAS.521.3608A 2020ApJS..249...32G 2019A&A...621A..53I 2015A&A...583A.124D 2014A&A...568A..69I 2010A&A...520A..81I 2008A&A...484...43F 2007A&A...469L..27C 2005A&A...444..221S 2002A&A...382..503K 2002A&A...382..947K 2000A&A...357L..21C 1991S&W....30..234T 1984A&AS...56..415B 1984ApJ...277L..57L 1982Ap&SS..82....3A 1981ApJ...245..799J 1981MNRAS.197..865W 1981PASJ...33...57W 1979A&A....71..217J 1979ApJS...39..573M 1979ApJS...41..327A 1978ApJ...221L..57H 1977ApJ...214..856J 1976ApJ...203..448D 1974AJ.....79..368G 1973ApJ...186...91M 1972ApJ...178..281G Measures ( ): Notes (1) : (S) 01-Jan-2000 - com ref:~ obj:~ Oph X-2 unclear and obsolete ================================================================================