MeerKAT view of the dancing ghosts – peculiar galaxy pair PKS 2130–538 in Abell 3785
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- Univ. of Western Sydney, NSW (Australia)
- National Radio Astronomy Observatory, Charlottesville, VA (United States); South African Radio Astronomy Observatory, Cape Town (South Africa)
- Univ. of Western Sydney, NSW (Australia); Commonwealth Scientific and Industrial Research Organisation (CSIRO), NSW (Australia). Australia Telescope National Facility
- National Radio Astronomy Observatory, Charlottesville, VA (United States)
We present MeerKAT L-band (886–1682 MHz) observations of the extended radio structure of the peculiar galaxy pair PKS 2130–538 known as the ‘Dancing Ghosts’. The complex of bending and possibly interacting jets and lobes originate from two active galactic nuclei hosts in the Abell 3785 galaxy cluster, one of which is the brightest cluster galaxy. The radio properties of the PKS 2130–538 – flux density, spectral index, and polarization – are typical for large, bent-tail galaxies. We also investigate a number of thin extended low surface brightness filaments originating from the lobes. South-east from the Dancing Ghosts, we detect a region of low surface brightness emission that has no clear origin. While it could originate from the Abell 3785 radio halo, we investigate the possibility that it is associated with the two PKS 2130–538 hosts. We find no evidence of interaction between the two PKS 2130–538 hosts.
- Research Organization:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF); USDOE
- Grant/Contract Number:
- AC02-05CH11231
- OSTI ID:
- 2279787
- Alternate ID(s):
- OSTI ID: 2423014
- Journal Information:
- Monthly Notices of the Royal Astronomical Society, Vol. 523, Issue 2; ISSN 0035-8711
- Publisher:
- Oxford University PressCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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