3C 305 Explained

3C 305
Z:0.041 639
Type:Sy2, Rad, G, QSO, AGN, X, IR
G, SB0, FR I, Sy 2
Appmag V:16.39
Size V:0.8753' x 0.497'
Names:IC 1065, LEDA 52924, UGC 9553, 4C 63.21, MCG+11-18-008
Dist Ly:577 Mly (176.9 Mpc)
H Radial V:12,503 km/s

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

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

Notes and References

  1. Web site: IC 1065 - Lenticular Galaxy in Draco TheSkyLive.com . 2024-04-18 . theskylive.com.
  2. Web site: Query : 3C 305 . Simbad . . 2 June 2015.
  3. Web site: NASA/IPAC Extragalactic Database . NED results for object 3C 305 . 2 June 2015 .
  4. Web site: Index Catalog Objects: IC 1050 - 1099 . 2024-04-18 . cseligman.com.
  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 . 10.1086/160445 . 0004-637X.
  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 . 10.1093/mnras/stt1377 . 1365-2966. 1307.7489 .
  7. Hardcastle . M. J. . Massaro . F. . Harris . D. E. . Baum . S. A. . Bianchi . S. . Chiaberge . M. . Morganti . R. . O'Dea . C. P. . Siemiginowska . A. . 2012-08-01 . The nature of the jet-driven outflow in the radio galaxy 3C 305 . Monthly Notices of the Royal Astronomical Society . 424 . 1774–1789 . 10.1111/j.1365-2966.2012.21247.x . 0035-8711. 1205.0962 .
  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 . Astronomy & Astrophysics . en . 439 . 2 . 521–526 . 10.1051/0004-6361:20053175 . 0004-6361.
  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 . Astronomy & Astrophysics . en . 596 . A19 . 10.1051/0004-6361/201628592 . 0004-6361. 1609.06539 .
  10. Filippenko . A. V. . Chornock . R. . Foley . R. J. . 2003-12-01 . Supernova 2003jb in IC 1065 . International Astronomical Union Circular . 8259 . 4 . 0081-0304.
  11. Web site: SN 2003jb Transient Name Server . 2024-07-29 . www.wis-tns.org.

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