6C B084407.8+582055

6C B084407.8+582055
SDSS image of 6C B084407.8+582055
Observation data (J2000.0 epoch)
ConstellationUrsa Major
Right ascension08h 48m 03.34s[1]
Declination+58° 09′ 48.43″[1]
Redshift0.221618[1]
Heliocentric radial velocity66,439 ± 10 km/s[1]
Distance3,199.2 ± 223.9 Mly (980.88 ± 68.66 Mpc)[1]
Group or clusterWHL J084803.3+580948
magnitude (H)+13.44[1]
Characteristics
TypeBrClG[1]
Size~967,000 ly (296.5 kpc) (estimated)[1]
Other designations
2MASX J08480336+5809485, GMBCG J132.01393+58.16340 BCG, LEDA 2575310, RGZ J084803.3+580948, SDSS J084803.33+580948.2, NVSS J084803+580948, [WB2011] J084803.3+580947, WHL J084803.3+580948 BCG[1]

6C B084407.8+582055 also known as J084803.3+580947, is a radio galaxy located in the constellation of Ursa Major. The redshift of the galaxy is (z) 0.221618[1] and it was first discovered from the Sixth Cambridge Survey of Radio Sources survey conducted by astronomers in 1990.[2]

Description

6C B084407.8+582055 is an elliptical galaxy with an E morphological classification.[3] It is also categorized as a red luminous galaxy[4] residing as the brightest cluster galaxy (BCG) of the galaxy cluster, WHL J084803.3+580948. The total r-band magnitude of the galaxy is estimated to be 15.93 magnitude.[5] The central supermassive black hole lying in the center is 9.10 M☉.[6][7] The accretion disk has a luminosity of 43.95 ergs-1.[7]

The nucleus is active and the galaxy has been categorized as a Fanaroff-Riley Class Type II radio galaxy.[6][8] The total angular size of the source is 27 arcseconds, while the total linear size is 96.47 kiloparsecs. The radio flux density at 1.4 GHz frequencies is 58.7 mJy. There are no detections of either a radio core or hot spot features.[9] The total 1.4 GHz radio luminosity is 25.41 W Hz-1.[6] The radio source itself is straight at the position angle of 165.1°.[10]

A study published in 2013, showed the radio lobes of the galaxy are indeed resolved, with the lobes having a total size of 48.24 kiloparsecs. There are also detections of both hydrogen-alpha and doubly ionized oxygen emission lines with estimated line luminosities of 7.061 and 7.068 L☉.[6] A radio jet is present with an estimated jet power of 44.47 ergs-1.[7]

References

  1. 1 2 3 4 5 6 7 8 9 10 "NED Search results for 6C B084407.8+582055". NASA/IPAC Extragalactic Database. Retrieved 2026-06-06.
  2. ↑ Hales, S. E. G.; Masson, C. R.; Warner, P. J.; Baldwin, J. E. (September 1990). "The 6C survey of radio sources - III. The zone 48<Dec<68, 05h25<RA<18h17". Monthly Notices of the Royal Astronomical Society. 246: 256–262. Bibcode:1990MNRAS.246..256H.
  3. ↑ Huertas-Company, M.; Aguerri, J. a. L.; Bernardi, M.; Mei, S.; Almeida, J. Sánchez (2011-01-01). "Revisiting the Hubble sequence in the SDSS DR7 spectroscopic sample: a publicly available Bayesian automated classification". Astronomy & Astrophysics. 525: A157. arXiv:1010.3018. Bibcode:2011A&A...525A.157H. doi:10.1051/0004-6361/201015735. ISSN 0004-6361.
  4. ↑ Lopes, P. A. A. (September 2007). "Empirical photometric redshifts of luminous red galaxies and clusters in the Sloan Digital Sky Survey". Monthly Notices of the Royal Astronomical Society. 380 (4): 1608–1620. arXiv:0706.1580. Bibcode:2007MNRAS.380.1608L. doi:10.1111/j.1365-2966.2007.12203.x. ISSN 0035-8711.
  5. ↑ Wen, Z. L.; Han, J. L.; Liu, F. S. (2012-03-30). "A Catalog of 132,684 Clusters of Galaxies Identified from Sloan Digital Sky Survey III". The Astrophysical Journal Supplement Series. 199 (2): 34. arXiv:1202.6424. Bibcode:2012ApJS..199...34W. doi:10.1088/0067-0049/199/2/34. ISSN 0067-0049.
  6. 1 2 3 4 Sikora, Marek; Stasińska, Grażyna; Kozieł-Wierzbowska, Dorota; Madejski, Greg M.; Asari, Natalia V. (2013-02-15). "Constraining Jet Production Scenarios by Studies of Narrow-Line Radio Galaxies". The Astrophysical Journal. 765 (1): 62. arXiv:1210.2571. Bibcode:2013ApJ...765...62S. doi:10.1088/0004-637x/765/1/62. ISSN 0004-637X.
  7. 1 2 3 Rusinek, Katarzyna; Sikora, Marek; Kozieł-Wierzbowska, Dorota; Godfrey, Leith (2016-12-23). "On the efficiency of jet production in FR II radio galaxies and quasars". Monthly Notices of the Royal Astronomical Society. 466 (2): 2294–2301. arXiv:1612.07392. doi:10.1093/mnras/stw3330. ISSN 0035-8711.
  8. ↑ Ma, Zhixian; Xu, Haiguang; Zhu, Jie; Hu, Dan; Li, Weitian; Shan, Chenxi; Zhu, Zhenghao; Gu, Liyi; Li, Jinjin; Liu, Chengze; Wu, Xiangping (2019-02-01). "A Machine Learning Based Morphological Classification of 14,245 Radio AGNs Selected from the Best–Heckman Sample". The Astrophysical Journal Supplement Series. 240 (2): 34. arXiv:1812.07190. Bibcode:2019ApJS..240...34M. doi:10.3847/1538-4365/aaf9a2. ISSN 0067-0049.
  9. ↑ Kozieł-Wierzbowska, Dorota; Stasińska, Grażyna (2011-08-01). "FRII radio galaxies in the SDSS: Observational facts". Monthly Notices of the Royal Astronomical Society. 415 (2): 1013–1026. arXiv:1101.3223. doi:10.1111/j.1365-2966.2011.18346.x.
  10. ↑ Wing, Joshua D.; Blanton, Elizabeth L. (2011-02-07). "Galaxy Cluster Environments of Radio Sources". The Astronomical Journal. 141 (3): 88. arXiv:1008.1099. Bibcode:2011AJ....141...88W. doi:10.1088/0004-6256/141/3/88. ISSN 0004-6256.
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