MAssive Cluster Survey
The MAssive Cluster Survey (MACS)[1][2] compiled and characterized a sample of very X-ray luminous (and thus, by inference, massive), distant clusters of galaxies. The sample comprises 124 spectroscopically confirmed clusters at 0.3 < z < 0.7. Candidates were selected from the ROSAT All-Sky Survey data.[3]
History
One of the galaxy clusters, MACS J0647+7015 was found to have gravitationally lensed the most distant galaxy (MACS0647-JD) then ever imaged, in 2012, by CLASH.
MACS team
The MACS team consists of:
- Harald Ebeling, University of Hawaii, USA
- Alastair Edge, University of Durham, UK
- J. Patrick Henry, University of Hawaii, USA
Survey notation
Objects are labelled as JHHMM.m+DDMM where HHMM+DDMM are the coordinates in the J2000 system. Here H, D, and M refer to hours, degrees, and minutes, respectively, and m refers to tenths of minutes of time.
- HH Hours of right ascension
- MM.m Minutes of right ascension or declination
- DD.d Degrees in declination
Notable surveyed objects
| Survey object | Right ascension | Declination | Notes |
|---|---|---|---|
| MACS J0025.4-1222 | 00h 25.4m | −12° 22′ | |
| MACS J0647+7015 | 06h 47m | +70° 15′ | |
| MACS J0717.5+3745 | 07h 17.5m | +37° 45′ |
References
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- ↑ MAssive Cluster Survey (MACS)
See also
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