6C B113753.5+442220

6C B113753.5+442220
SDSS image of 6C B113753.5+442220
Observation data (J2000.0 epoch)
ConstellationUrsa Major
Right ascension11h 40m 34.37s[1]
Declination+44° 05′ 48.41″[1]
Redshift0.383663[1]
Heliocentric radial velocity115,019 ± 25 km/s[1]
Distance5,534.8 ± 387.4 Mly (1,696.97 ± 118.79 Mpc)[1]
Group or clusterWHL J114034.4+440548
magnitude (H)14.82[1]
Characteristics
Size~855,000 ly (262.1 kpc) (estimated)[1]
Other designations
B3 1137+443, 2MASX J11403439+4405482, 2MASS J11403438+4405480, LEDA 2236498, TXS 1137+443, SDSS J114034.41+440548.1, WHL J114034.4+440548 BCG[1]

6C B113753.5+442220 also known as J114034.4+440547, is a radio galaxy located in the constellation of Ursa Major. The redshift of the galaxy is estimated to be (z) 0.38[1] and it was first discovered in the Sixth Cambridge Survey of Radio Sources survey by astronomers in October 1988.[2]

Description

6C B113753.5+442220 is categorized as a luminous red galaxy (LRG) residing as the brightest cluster galaxy (BCG) of the galaxy cluster, WHL J114034.4+440548.[3][4] The central supermassive black hole residing in the center of the galaxy has been estimated to be 9.13 M☉.[5] An r-band magnitude of 17.55 has been calculated for the galaxy, and the absolute magnitude is -24.51.[6]

The nucleus is categorized as active and is classified as a Fanaroff-Riley Class Type II radio galaxy. There is a resolved radio core, while no hot spot features were detected. The total radio power at 1.4 GHz frequencies is 99 mJy and the angular size of the source is 69 arcseconds.[7]

A study in 2013, reclassified it as a Fanaroff-Riley Class Type I radio galaxy. The galaxy also contains both hydrogen-alpha and doubly ionized oxygen emission lines with estimated luminosities of 0.000 and 7.150 L☉. There are also radio lobes, with the total size of the lobes reaching a distance of 256.81 kiloparsecs.[5] The total integrated flux density of the source calculated by NRAO VLA Sky Survey (NVSS) is estimated to be 102.00 mJy at 1.4 GHz.[8] It is located in a rich galaxy cluster with a richness of N−0.190.5 ~ 40, despite being an S-shaped radio galaxy. The total extent of the source is around 0.29 megaparsecs and has a total radio luminosity of 25.72 Hz−1.[6]

References

  1. 1 2 3 4 5 6 7 8 9 "NED Search results for 6C B113753.5+442220". NASA/IPAC Extragalactic Database. Retrieved 2026-06-05.
  2. ↑ Hales, S. E. G.; Baldwin, J. E.; Warner, P. J. (October 1988). "The 6C survey of radio sources - II. The zone 30 <delta<51, 08h30m <alpha<17h30m". Monthly Notices of the Royal Astronomical Society. 234: 919–936. doi:10.1093/mnras/234.4.919.
  3. ↑ 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.
  4. ↑ 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.
  5. 1 2 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.
  6. 1 2 Liu, Yu-Xing; Xu, Hai-Guang; Zheng, Dong-Chao; Li, Wei-Tian; Zhu, Zheng-Hao; Ma, Zhi-Xian; Lian, Xiao-Li (2019-09-01). "The environment of C- and S-shaped radio galaxies". Research in Astronomy and Astrophysics. 19 (9): 127. Bibcode:2019RAA....19..127L. doi:10.1088/1674-4527/19/9/127. ISSN 1674-4527.
  7. ↑ Kozieł-Wierzbowska, Dorota; Stasińska, Grażyna (2011-01-17). "FR II radio galaxies in the Sloan Digital Sky Survey: Observational facts". Monthly Notices of the Royal Astronomical Society. 415 (2): 1013–1026. arXiv:1101.3223v1. Bibcode:2011MNRAS.415.1013K. doi:10.1111/j.1365-2966.2011.18346.x.
  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.
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