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:

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.

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

  1. Ebeling, Harald; Alastair Edge; J. Patrick Henry (2001). "MACS: A Quest for the Most Massive Galaxy Clusters in the Universe". ApJ (553): 668. arXiv:astro-ph/0009101. Bibcode:2001ApJ...553..668E. doi:10.1086/320958. Retrieved 6 April 2015.
  2. Ebeling, Harald; Elizabeth Barrett; David Donovan; Cheng-Jiun Ma; Alastair Edge; Leon van Speybroeck (2007). "A Complete Sample of 12 Very X-Ray Luminous Galaxy Clusters at z > 0.5". ApJL (661): 33. arXiv:astro-ph/0703394. Bibcode:2007ApJ...661L..33E. doi:10.1086/518603. Retrieved 6 April 2015.
  3. MAssive Cluster Survey (MACS)

See also

Wikimedia Commons has media related to Massive Cluster Survey (MACS).


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