C.D.S. - SIMBAD4 rel 1.8 - 2024.05.02CEST14:44:38 ACO 3998 --------- Object ACO 3998 --- ClG --- OID=@1149225 (@@23569,14) --- coobox=8835 Coordinates(ICRS,ep=J2000,eq=2000): 23 21 38.1 -41 53 33 (Opt ) D [~ ~ ] 2000AN....321....1S Coordinates(FK4,ep=B1950,eq=1950): 23 18 53.9 -42 10 00 Coordinates(Gal,ep=J2000,eq=2000): 348.3081 -66.4584 hierarchy counts: #parents=0, #children=2, #siblings=0 Proper motions: ~ ~ [~ ~ ] ~ ~ Parallax: ~ [~] ~ ~ Radial Velocity: 25499 [899] D 1991ApJS...76..813S Redshift: 0.089000 [0.003000] D 1991ApJS...76..813S cz: 26681.53 [899.38] D 1991ApJS...76..813S Flux Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (16): PSZSPT J2321-4153 MARD J232122.2-415047 ACT-CL J2321.5-4153 PSZRX G348.32-66.45 2E 4721 ACO 3998 RBS 1990 [DBG99] 124 1E 2318.9-4210 1ES 2319-42.1 1RXS J232136.5-415341 2E 2318.8-4210 RXC J2321.5-4154 BAX 350.4090-41.8924 RXC J2321.5-4153 MCXC J2321.5-4153 Bibcodes 1850-2024 () (32): 2022ApJ...933...84F 2021A&A...647A.106M 2021ApJS..253....3H 2020A&A...636A..15M 2019A&A...626A...7T 2019MNRAS.483..540L 2018ApJ...854..167G 2017MNRAS.468.3322S 2016MNRAS.460.1758H 2014MNRAS.444L..63F 2012MNRAS.425..477N 2012MNRAS.427.2047T 2011A&A...534A.109P 2010ApJ...723..985G 2009ApJS..184..138H 2004A&A...424.1097S 2004A&A...425..367B 2003A&A...401..851E 2002ApJS..140..239C 2001AJ....122.2222E 2000AN....321....1S 1999ApJ...514..148D 1997A&AS..123..119E 1996MNRAS.281..799E 1994ApJS...94..583G 1994MNRAS.269..301E 1992ApJS...80..257E 1992MNRAS.258....1L 1991ApJS...76..813S 1990AJ....100.1006L 1990ApJS...72..567G 1989ApJS...70....1A Measures (velocities:2 ): velocities:2 Notes (0) : ================================================================================