SIMBAD references

2021AJ....162..193H - Astron. J., 162, 193-193 (2021/November-0)

A2626 and friends: large- and small-scale structure.


Abstract (from CDS):

New MMT/Hectospec spectroscopy centered on the galaxy cluster A2626 and covering a ∼1.8 deg2 area out to z ∼ 0.46 more than doubles the number of galaxy redshifts in this region. The spectra confirm four clusters previously identified photometrically. A2625, which was previously thought to be a close neighbor of A2626, is in fact much more distant. The new data show six substructures associated with A2626 and five more associated with A2637. There is also a highly collimated collection of galaxies and galaxy groups between A2626 and A2637 having at least three and probably four substructures. At larger scales, the A2626-A2637 complex is not connected to the Pegasus-Perseus filament.

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): Galaxy clusters - Galaxy spectroscopy - Abell clusters - Redshift surveys

VizieR on-line data: <Available at CDS (J/AJ/162/193): table3.dat>

Simbad objects: 2002

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