6C B134444.5+420701

6C B134444.5+420701
SDSS image of 6C B134444.5+420701
Observation data (J2000.0 epoch)
ConstellationCanes Venatici
Right ascension13h 46m 51.24s[1]
Declination+41° 51′ 54.78″[1]
Redshift0.239624[1]
Heliocentric radial velocity71,838 ± 15 km/s[1]
Distance3,459.7 ± 242.2 Mly (1,060.74 ± 74.25 Mpc)[1]
Group or clusterWHL J134651.2+415155
magnitude (J)15.40[1]
Characteristics
TypeBrClG[1]
Size~422,500 ly (129.54 kpc) (estimated)[1]
Other designations
B3 1344+421, 2MASX J13465122+4151545, 7C 1344+4207, ATATS J134649.7+415159, LEDA 2188192, SDSS J134651.22+415154.6, WHL J134651.2+415155 BCG[1]

6C B134444.5+420701 also known as J134651.2+415154, is a radio galaxy located in the constellation of Canes Venatici. The redshift of the galaxy is (z) 0.239[1] and it was first discovered in the Sixth Cambridge Survey of Radio Sources by astronomers in October 1988.[2]

Description

6C B134444.5+420701 is a luminous red galaxy residing in the center as the brightest cluster galaxy (BCG) of the galaxy cluster, WHL J134651.2+415155.[3][4] There is a supermassive black hole residing inside the center of the galaxy with a mass of 8.54 M☉.[5] The total r-band magnitude is 17.14, while the r-band absolute magnitude is -23.40.[6]

The nucleus of the galaxy is active. It is a Fanaroff-Riley Class Type I radio galaxy, although a previous observation categorized it as a Fanaroff-Riley Class Type II radio galaxy.[5][7] There is a radio core, although there is an absence of any hot spot features. The total radio flux density is 185.6 mJy at 1.4 GHz frequencies. The linear size of the source is 245.67 kiloparsecs.[7]

The galaxy has both hydrogen-alpha and doubly ionized oxygen emission lines in its optical spectrum. The estimated line luminosities are 6.444 and 0.000 L☉ respectively. The radio lobes in the galaxy span a total length of 153.91 kiloparsecs.[5] It is also an S-shaped radio galaxy, with a total radio luminosity of 25.51 W Hz−1 at 1.4 GHz, with the source having a small extent of 0.16 megaparsecs.[6] It is a bent-tailed radio galaxy.[8]

References

  1. 1 2 3 4 5 6 7 8 9 10 "NED Search results for 6C B134444.5+420701". NASA/IPAC Extragalactic Database. Retrieved 2026-06-07.
  2. ↑ Hales, S. E. G.; Mayer, C. J.; Warner, P. J.; Baldwin, J. E. (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/251.1.46. ISSN 0035-8711.
  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 3 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. 1 2 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.
  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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