ACO 21

Query : ACO 21

Basic data :
ACO 21 -- Cluster of Galaxies
Other object types: otypes_help 		ClG (2014MNRAS,ACO,...), X (2E,EXSS,...), C?G (2014A&A)
ICRS coord. (ep=J2000) : 		00 20 38.75 +28 41 40.5 (Optical) [ ] E 2020ApJS..246....2A
FK4 coord. (ep=B1950 eq=1950) : 		00 18 01.92 +28 25 01.9 [ ]
Gal coord. (ep=J2000) : 		114.81338 -33.69129 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 27024 [~] / z(spectroscopic) 0.0946 [~] / cz 28360 [~]
   (Opt) C 2016ApJ...819...63R
Angular size (arcmin): 		18.938 18.938 ~ (Xray) E 2022A&A...658A..59X
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1
: 87 		: 1 Display criteria :

Identifiers (23) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

ACO 21 1H 0018+280 RBS 46 [AWK2020] 26
BAX 005.1283+28.6274 2MAXI J0021+286 RXC J0020.6+2840 [B2017] 60
ClG 0017.9+2822 MCXC J0020.6+2840 RXGCC 19 [F81] 9
2E 65 PSZ1 G114.78-33.72 RX J0020.6+2840 [RRB2014] RM J002037.2+283934.2
2E 0017.9+2822 PSZ2 G114.79-33.71 1RXS J002039.5+284027 [WHL2012] J002037.2+283934
EXSS 0018.0+2823 PSZRX G114.82-33.73 ZwCl 0017+2822

References (122 between 1850 and 2026) (Total 122)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Velocities : 10   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : ACO 21

Link by name to the catalogue in VizieR :

ACO 21 2E 65 RXC J0020.6+2840 1RXS J002039.5+284027

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Annotations :
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