Astronomy:3C 305

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3C 305
Observation data (J2000 epoch)
ConstellationDraco
Right ascension 14h 49m 21.610s[1]
Declination+63° 16′ 14.24″[1]
Redshift0.041 639[2]
Helio radial velocity12,503 km/s
Distance577 Mly (176.9 Mpc)
Apparent magnitude (V)16.39[1]
Characteristics
TypeSy2, Rad, G, QSO, AGN, X, IR[1]
G, SB0, FR I, Sy 2[2]
Apparent size (V)0.8753' x 0.497'[1]
Other designations
IC 1065, LEDA 52924, UGC 9553, 4C 63.21, MCG+11-18-008

3C 305, also known as IC 1065, is a lenticular galaxy located in the constellation Draco.[3][1] The galaxy is located 577 million light-years away from Earth.[2] It has an active galactic nucleus and is classified as a Seyfert 2 galaxy.[1][2] This galaxy was discovered by American astronomer Lewis Swift on April 7, 1888.[4]

3C 305 is also a radio galaxy.[5][6] It shows an extended X-ray halo previously detected by Chandra X-ray and Very Large Array observations and hydrogen outflow with a jet power of ~1043 erg s−1.[7]

In additional, 3C 305 shows broad HI absorption levels, which researchers interpreted it as jet-cloud interaction.[8] There are also signs that 3C 305 might be involved in a recent merger process with another gas-rich galaxy.[9]

Chandra Image of 3C 305

Supernova

One supernova has been observed in the galaxy so far: SN 2003jb, (type Ia, mag. 16.5), discovered in December 2003.[10][11]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "Query : 3C 305". Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=3C+305. 
  2. ↑ 2.0 2.1 2.2 2.3 "NED results for object 3C 305". http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=3C+305&extend=no. 
  3. ↑ "IC 1065 - Lenticular Galaxy in Draco | TheSkyLive.com". https://theskylive.com/sky/deepsky/ic1065-object. 
  4. ↑ "Index Catalog Objects: IC 1050 - 1099". https://cseligman.com/text/atlas/ic10a.htm#ic1065. 
  5. ↑ Heckman, T. M.; Miley, G. K.; Balick, B.; van Breugel, W. J. M.; Butcher, H. R. (1982-11-01). "An optical and radio investigation of the radio galaxy 3C 305.". The Astrophysical Journal 262: 529–553. doi:10.1086/160445. ISSN 0004-637X. Bibcode: 1982ApJ...262..529H. https://ui.adsabs.harvard.edu/abs/1982ApJ...262..529H. 
  6. ↑ Reynaldi, V.; Feinstein, C. (2013-08-28). "Shock ionization in the extended emission-line region of 3C 305: the last piece of the (optical) puzzle". Monthly Notices of the Royal Astronomical Society 435 (2): 1350–1357. doi:10.1093/mnras/stt1377. ISSN 1365-2966. 
  7. ↑ Hardcastle, M. J.; Massaro, F.; Harris, D. E.; Baum, S. A.; Bianchi, S.; Chiaberge, M.; Morganti, R.; O'Dea, C. P. et al. (2012-08-01). "The nature of the jet-driven outflow in the radio galaxy 3C 305". Monthly Notices of the Royal Astronomical Society 424 (3): 1774–1789. doi:10.1111/j.1365-2966.2012.21247.x. ISSN 0035-8711. Bibcode: 2012MNRAS.424.1774H. 
  8. ↑ Morganti, R.; Oosterloo, T. A.; Tadhunter, C. N.; Moorsel, G. van; Emonts, B. (2005-08-01). "The location of the broad H i absorption in 3C 305: clear evidence for a jet-accelerated neutral outflow" (in en). Astronomy & Astrophysics 439 (2): 521–526. doi:10.1051/0004-6361:20053175. ISSN 0004-6361. Bibcode: 2005A&A...439..521M. https://www.aanda.org/articles/aa/abs/2005/32/aa3175-05/aa3175-05.html. 
  9. ↑ Emonts, B. H. C.; Morganti, R.; Villar-Martín, M.; Hodgson, J.; Brogt, E.; Tadhunter, C. N.; Mahony, E.; Oosterloo, T. A. (2016-12-01). "From galaxy-scale fueling to nuclear-scale feedback - The merger-state of radio galaxies 3C 293, 3C 305, and 4C 12.50" (in en). Astronomy & Astrophysics 596: A19. doi:10.1051/0004-6361/201628592. ISSN 0004-6361. Bibcode: 2016A&A...596A..19E. https://www.aanda.org/articles/aa/abs/2016/12/aa28592-16/aa28592-16.html. 
  10. ↑ Filippenko, A. V.; Chornock, R.; Foley, R. J. (2003-12-01). "Supernova 2003jb in IC 1065". International Astronomical Union Circular (8259): 4. ISSN 0081-0304. Bibcode: 2003IAUC.8259....4F. https://ui.adsabs.harvard.edu/abs/2003IAUC.8259....4F. 
  11. ↑ "SN 2003jb | Transient Name Server". https://www.wis-tns.org/object/2003jb. 

Coordinates: Sky map 14h 49m 21.610s, +63° 16′ 14.24″




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