Astronomy:NGC 2325

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NGC 2325
NGC 2325 imaged by Pan-STARRS
Observation data (J2000 epoch)
ConstellationCanis Major
Right ascension 07h 02m 40.4030s[1]
Declination−28° 41′ 50.048″[1]
Redshift0.007288±0.0000730[1]
Helio radial velocity2,185±22 km/s[1]
Distance74.53 ± 3.94 Mly (22.850 ± 1.209 Mpc)[1]
Group or cluster[CHM2007] HDC 421
Apparent magnitude (V)12.38[1]
Characteristics
TypeE4[1]
Size~157,700 ly (48.36 kpc) (estimated)[1]
Apparent size (V)3.3′ × 1.9′[1]
Other designations
ESO 427- G 028, MCG-05-17-005, PGC 20047[1]

NGC 2325 is a elliptical galaxy in the constellation of Canis Major. Its velocity with respect to the cosmic microwave background is 2,356±25 km/s, which corresponds to a Hubble distance of 113.4 ± 8.1 Mly (34.76 ± 2.48 Mpc).[1] However, 16 non-redshift measurements give a much closer mean distance of 74.53 ± 3.94 Mly (22.850 ± 1.209 Mpc).[2] It was discovered by British astronomer John Herschel on 1 February 1837.[3]

NGC 2325 is a radio galaxy, i.e. it has giant regions of radio emission extending well beyond its visible structure.[4][5] It also has an active galactic nucleus, i.e. it has a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars.[6][5]

Galaxy group

NGC 2325 is a member of a galaxy group known as [CHM2007] HDC 421. The group contains at least eight galaxies, including IC 456, ESO 427-22, MCG-05-17-006, MCG-05-17-004, MCG-05-17-008, and two others.[7][8]

Supernova

One supernova has been observed in NGC 2325:

  • SN 2010ih (Type Ia, mag. 13.3) was discovered by The CHilean Automatic Supernova sEarch (CHASE) on 29 September 2010.[9][10] A prediscovery image taken on 16 September showed it at magnitude 12.8, making it the brightest supernova of 2010.[9][11]

See also

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 "Results for object NGC 2325". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=NGC+2325. 
  2. ↑ "Distance Results for NGC 2325". NASA. https://ned.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+2325. 
  3. ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 2325". https://cseligman.com/text/atlas/ngc23.htm#2325. 
  4. ↑ Charlot, P.; Jacobs, C. S.; Gordon, D.; Lambert, S.; De Witt, A.; Böhm, J.; Fey, A. L.; Heinkelmann, R. et al. (2020). "The third realization of the International Celestial Reference Frame by very long baseline interferometry". Astronomy and Astrophysics 644: A159. doi:10.1051/0004-6361/202038368. Bibcode: 2020A&A...644A.159C. 
  5. ↑ 5.0 5.1 "NGC 2325". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+2325. 
  6. ↑ Véron-Cetty, M.-P.; Véron, P. (2010). "A catalogue of quasars and active nuclei: 13th edition". Astronomy and Astrophysics 518: A10. doi:10.1051/0004-6361/201014188. Bibcode: 2010A&A...518A..10V. 
  7. ↑ Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal 655 (2): 790–813. doi:10.1086/510201. Bibcode: 2007ApJ...655..790C. 
  8. ↑ "[CHM2007 HDC 421"]. SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=%5BCHM2007%5D+HDC+421. 
  9. ↑ 9.0 9.1 Pignata, G.; Cifuentes, M.; Maza, J.; Hamuy, M.; Antezana, R.; Gonzalez, L.; Gonzalez, P.; Silva, S. et al. (2010). "Supernova 2010ih near NGC 2325". Central Bureau Electronic Telegrams (2471): 1. Bibcode: 2010CBET.2471....1P. http://www.cbat.eps.harvard.edu/iau/cbet/002400/CBET002471.txt. 
  10. ↑ "SN 2010ih". IAU. https://www.wis-tns.org/object/2010ih. 
  11. ↑ Bishop, David. "Bright Supernovae - 2010". https://www.rochesterastronomy.org/sn2010/index.html. 

Coordinates: Sky map 07h 02m 40.4030s, −28° 41′ 50.048″



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