Astronomy:Abell 1033
.jpg) Composite image of Abell 1033 | |
| Object type | Galaxy cluster |
|---|---|
Observation data (Epoch J2000) | |
| Constellation | Leo Minor |
| 10h 31m 33.7s | |
| Declination | +35° 04′ 34″ |
| Redshift | 0.1259 |
Notable features | Bautz–Morgan classification: III |
Abell 1033 is a galaxy cluster located in the constellation Leo Minor, approximately 1.6 billion light-years from Earth. It contains about 350 galaxies.[1][2]
The cluster has been studied across various wavelengths of the electromagnetic spectrum, including X-ray observations by the Chandra X-ray Observatory. These observations revealed significant radio emission associated with the cluster.[3]
It is believed that the supermassive black hole at the center of Abell 1033 once emitted jets of high-energy electrons that propagated into intergalactic space. Over time, these emissions faded as the electrons lost energy and the cloud dispersed. However, a subsequent collision between Abell 1033 and another cluster likely generated a shock wave that re-energized the electrons, resulting in renewed bright radio emission.[4] This "rebirth" may have occurred relatively recently in astronomical terms, possibly within the past few tens of millions of years.
An Italian-led study conducted at low radio frequencies, using data from the European LOFAR (Low Frequency Array) and the Indian Giant Metrewave Radio Telescope (GMRT), detected unusually bright clouds of relativistic particles.[5][6]
See also
References
- ↑ Schwope, A. D.; Hasinger, G.; Lehmann, I. (3 March 2000). "The ROSAT Bright Survey: II. Catalogue of all high-galactic latitude RASS sources with PSPC countrate CR > 0.2 s-1". arXiv. doi:10.1002/(SICI)1521-3994(200003)321:1.
- ↑ Szabo, Thad; Pierpaoli, Elena; Dong, Feng (20 July 2011). "An Optical Catalog of Galaxy Clusters Obtained from an Adaptive Matched Filter Finder Applied to SDSS DR6". The Astrophysical Journal 736 (1): 21. doi:10.1088/0004-637X/736/1/21.
- ↑ "Chandra :: Photo Album :: Abell 1033 :: August 26, 2015". https://chandra.si.edu/photo/2015/a1033/.
- ↑ de Gasperin, F.; Ogrean, G. A.; van Weeren, R. J. (26 February 2015). "Abell 1033: birth of a radio phoenix". Monthly Notices of the Royal Astronomical Society 448 (3): 2197–2209. doi:10.1093/mnras/stv129.
- ↑ Francesco de Gasperin ed altri (4 October 2017). "Gentle reenergization of electrons in merging galaxy clusters". Science Advances 3 (10). doi:10.1126/sciadv.1701634. PMID 28983512.
- ↑ "Nuova vita per le particelle invecchiate". 4 October 2017. https://www.media.inaf.it/2017/10/04/particelle-relativistiche-quasi-spente-tornano-a-brillare/.
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