Astronomy:B2 1525+29

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B2 1525+29
SDSS image of B2 1525+29
Observation data (J2000 epoch)
ConstellationCorona Borealis
Right ascension 15h 27m 44.41s[1]
Declination+28° 55′ 06.68″[1]
Redshift0.065155[1]
Helio radial velocity19533 ± 17 km/s[1]
Distance960.0 ± 67.2 Mly (294.33 ± 20.61 Mpc)[1]
Characteristics
TypeE[1]
Size~343,000 ly (105.3 kpc) (estimated)[1]
Other designations
7C 1525+2905, 2MASX J15274441+2855067, ABELL 2079:[ZBO89] O1 NED01, CGCG 165-062 NED01, LEDA 200324, TXS 1525+290, UGC 09861 NED01[1]

B2 1525+29 is a radio galaxy located in the constellation of Corona Borealis. The redshift of the galaxy is (z) 0.065[1] and it was first discovered from a sample of 550 unresolved radio sources by astronomers in January 1977, with the total flux density for the source estimated as 0.11 ± 0.01 Jansky.[2] It has been classified as a low luminosity radio galaxy[3] and thus is associated with the second brightest member in the galaxy cluster, Abell 2079.[4]

Description

B2 1525+29 is a Fanaroff-Riley Class type 1 radio galaxy[5] found belonging to a dumbbell galaxy system which dominates the center of Abell 2079.[6][7] The host galaxy is elliptical and it has a close companion which is most likely found interacting with it.[5] There is a presence of an extended nuclear structure in the galaxy, that is orientated in a position angle of 25°. This structure is likely created through the absorption of interstellar dust.[8] The dust morphology of the galaxy has a disk appearance.[9] There are also signs of disky isothopes located on the galaxy's own outer regions.[7]

The radio core on arcseconds scales is estimated to have a flux density of 2.5 mJy with the total radio power being 22.40 W/Hz.[10] There is also a two-sided radio jet depicted to have a distorted appearance with further evidence finding the main jet is located in the southern direction.[7][11] There is also presence of X-ray emission on extended scales.[7] The radio spectrum of the galaxy is shown to flatten upon reaching around 1.415 GHz frequencies based on radio observations.[12]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "NED Search results for B2 1525+29". https://ned.ipac.caltech.edu/byname?objname=LEDA+200324&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1. 
  2. ↑ Bridle, A. H.; Kesteven, M. J. L.; Brandie, G. W. (January 1977). "Variability of extragalactic sources at 2.7 GHz II. Flux densities of 550 sources and further evidence for variations." (in en). The Astronomical Journal 82: 21–31. doi:10.1086/112002. ISSN 0004-6256. https://ui.adsabs.harvard.edu/scan/manifest/1977AJ.....82...21B?art=true. 
  3. ↑ Fanti, C.; Fanti, R.; de Ruiter, H. R.; Parma, P. (July 1986). "VLA observations of low luminosity radio galaxies. III. The A-array observations" (in en). Astronomy and Astrophysics Supplement Series 65: 145–188. ISSN 0365-0138. https://articles.adsabs.harvard.edu/pdf/1986A%26AS...65..145F. 
  4. ↑ Fanti, C.; Fanti, R.; Gioia, I. M.; Lari, C.; Parma, P.; Ulrich, M. H. (September 1977). "Observations of 40 low luminosity radio galaxies with the Westerbork Synthesis Radio Telescope." (in en). Astronomy and Astrophysics Supplement Series 29: 279–292. ISSN 0365-0138. https://ui.adsabs.harvard.edu/scan/manifest/1977A%26AS...29..279F?art=true. 
  5. ↑ 5.0 5.1 Colina, Luis; de Juan, Lourdes (August 1995). "Collisions of Ellipticals and the Onset of Fanaroff-Riley Type I Radio Sources" (in en). The Astrophysical Journal 448: 548. doi:10.1086/175985. ISSN 0004-637X. https://ui.adsabs.harvard.edu/scan/manifest/1995ApJ...448..548C?art=true. 
  6. ↑ Parma, P.; de Ruiter, H. R.; Fanti, C.; Fanti, R. (April 1986). "VLA observations of low luminosity radio galaxies. I. Sources with angular size smaller than two arcminutes." (in en). Astronomy and Astrophysics Supplement Series 64: 135–171. ISSN 0365-0138. https://ui.adsabs.harvard.edu/scan/manifest/1986A%26AS...64..135P?art=true. 
  7. ↑ 7.0 7.1 7.2 7.3 Gonzalez-Serrano, J. I.; Carballo, R.; Perez-Fournon, I. (May 1993). "The Optical Properties of Low Luminosity Radio Galaxies With Radio Jets" (in en). The Astronomical Journal 105: 1710. doi:10.1086/116548. ISSN 0004-6256. https://articles.adsabs.harvard.edu/pdf/1993AJ....105.1710G. 
  8. ↑ Capetti, A.; de Ruiter, H. R.; Fanti, R.; Morganti, R.; Parma, P.; Ulrich, M.-H. (October 2000). "The HST snapshot survey of the B2 sample of low luminosity radio-galaxies: a picture gallery" (in en). Astronomy and Astrophysics 362: 871–885. ISSN 0004-6361. 
  9. ↑ Ruiter, H. R. de; Parma, P.; Capetti, A.; Fanti, R.; Morganti, R. (2002-12-01). "HST images of B2 radio galaxies: A link between circum-nuclear dust and radio properties?" (in en). Astronomy & Astrophysics 396 (3): 857–866. doi:10.1051/0004-6361:20021462. ISSN 0004-6361. https://www.aanda.org/articles/aa/pdf/2002/48/aah3588.pdf. 
  10. ↑ Liuzzo, E.; Giovannini, G.; Giroletti, M.; Taylor, G. B. (2009-10-01). "The Bologna complete sample of nearby radio sources - II. Phase referenced observations of faint nuclear sources" (in en). Astronomy & Astrophysics 505 (2): 509–520. doi:10.1051/0004-6361/200912586. ISSN 0004-6361. https://www.aanda.org/articles/aa/pdf/2009/38/aa12586-09.pdf. 
  11. ↑ Morganti, R.; Parma, P.; Capetti, A.; Fanti, R.; de Ruiter, H. R. (October 1997). "Asymmetric depolarization in double low-luminosity radio galaxies." (in en). Astronomy and Astrophysics 326: 919–923. ISSN 0004-6361. https://articles.adsabs.harvard.edu/pdf/1997A%26A...326..919M. 
  12. ↑ Malumyan, V. G. (February 1984). "RATAN-600 Observations of 15 Bologna Radio Galaxies" (in en). Soviet Astronomy Letters 10: 35. https://ui.adsabs.harvard.edu/scan/manifest/1984SvAL...10...35M?art=true. 




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