Astronomy:NGC 5123

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NGC 5123
NGC 5123 imaged by Pan-STARRS
Observation data (J2000 epoch)
ConstellationCanes Venatici
Right ascension 13h 23m 10.5284s[1]
Declination+43° 05′ 10.750″[1]
Redshift0.027658±0.00000900[1]
Helio radial velocity8,292±3 km/s[1]
Distance408.3 ± 28.6 Mly (125.18 ± 8.76 Mpc)[1]
Apparent magnitude (V)13.6g[1]
Characteristics
TypeScd[1]
Size~172,200 ly (52.81 kpc) (estimated)[1]
Apparent size (V)1.20′ × 1.11′[1]
Other designations
IRAS 13209+4320, UGC 8415, MCG+07-28-005, PGC 46767[1]

NGC 5123 is a spiral galaxy in the constellation of Canes Venatici. Its velocity with respect to the cosmic microwave background is 8,487±14 km/s, which corresponds to a Hubble distance of 408.3 ± 28.6 Mly (125.18 ± 8.76 Mpc).[1] It was discovered by German-British astronomer William Herschel on 9 April 1787.[2]

NGC 5123 is a radio galaxy, i.e. it has giant regions of radio emission extending well beyond its visible structure.[3][4]

Supernova

One supernova has been observed in NGC 5123:

  • SN 2008dz (Type II, mag. 17.4) was discovered by Tim Puckett and Robert Gagliano on 6 July 2008.[5][6]

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 5123". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=NGC+5123. 
  2. Seligman, Courtney. "New General Catalogue Objects: NGC 5123". https://cseligman.com/text/atlas/ngc51.htm#5123. 
  3. "NGC 5123". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+5123. 
  4. Best, P. N.; Heckman, T. M. (2012). "On the fundamental dichotomy in the local radio-AGN population: Accretion, evolution and host galaxy properties". Monthly Notices of the Royal Astronomical Society 421 (2): 1569. doi:10.1111/j.1365-2966.2012.20414.x. Bibcode2012MNRAS.421.1569B. 
  5. Puckett, T.; Gagliano, R.; Orff, T. (2008). "Supernova 2008dz in NGC 5123". Central Bureau Electronic Telegrams (1430): 1. Bibcode2008CBET.1430....1P. http://www.cbat.eps.harvard.edu/cbet/001400/CBET001430.txt. 
  6. "SN 2008dz". IAU. https://www.wis-tns.org/object/2008dz. 

Coordinates: Sky map 13h 23m 10.5284s, +43° 05′ 10.750″