Astronomy:NGC 1572

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NGC 1572
NGC 1572 imaged by Legacy Surveys
Observation data (J2000 epoch)
ConstellationCaelum
Right ascension 04h 22m 42.8080s[1]
Declination−40° 36′ 03.037″[1]
Redshift0.020384±0.0000330[1]
Helio radial velocity6,111±10 km/s[1]
Distance223.69 ± 9.42 Mly (68.583 ± 2.888 Mpc)[1]
Apparent magnitude (V)13.26[1]
Characteristics
Type(R')SB(s)a[1]
Size~221,400 ly (67.89 kpc) (estimated)[1]
Apparent size (V)2.5′ × 1.2′[1]
Other designations
ESO 303- G 014, IRAS 04210-4042, MCG-07-10-003, PGC 14993[1]

NGC 1572 is a large barred spiral galaxy in the constellation of Caelum. Its velocity with respect to the cosmic microwave background is 6,081±10 km/s, which corresponds to a Hubble distance of 292.5 ± 20.5 Mly (89.68 ± 6.28 Mpc).[1] However, six non-redshift measurements give a closer mean distance of 223.69 ± 9.42 Mly (68.583 ± 2.888 Mpc).[2] It was discovered by British astronomer John Herschel on 23 October 1835.[3][4]

NGC 1572 is a Seyfert II galaxy, i.e. it has a quasar-like nucleus with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host galaxy is clearly detectable.[5][6]

Supernova

One supernova has been observed in NGC 1572:

  • SN 2009la (Type Ia, mag. 15.7) was discovered by Stuart Parker on 12 November 2009, and independently by Berto Monard (it), on 11 November 2009.[7][8][9]

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 1572". NASA and Caltech. https://ned.ipac.caltech.edu/byname?objname=NGC+1572. 
  2. ↑ "Distance Results for NGC 1572". NASA. https://ned.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+1572. 
  3. ↑ Herschel, J. F. W. (1864). "Catalogue of Nebulae and Clusters of Stars". Philosophical Transactions of the Royal Society of London 154: 1–137. doi:10.1098/rstl.1864.0001. Bibcode: 1864RSPT..154....1H. 
  4. ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 1572". https://cseligman.com/text/atlas/ngc15a.htm#1572. 
  5. ↑ Chen, Yan-Ping; Zaw, Ingyin; Farrar, Glennys R.; Elgamal, Sana (2022). "A Uniformly Selected, Southern-sky 6dF, Optical AGN Catalog". The Astrophysical Journal Supplement Series 258 (2): 29. doi:10.3847/1538-4365/ac4157. Bibcode: 2022ApJS..258...29C. 
  6. ↑ "NGC 1572". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+1572. 
  7. ↑ Drescher, C.; Marples, P. (2009). "Supernova 2009la in NGC 1572". Central Bureau Electronic Telegrams (2013): 1. Bibcode: 2009CBET.2013....1D. http://www.cbat.eps.harvard.edu/cbet/002000/CBET002013.txt. 
  8. ↑ Monard, L. A. G. (2009). "Supernova 2009la in NGC 1572". Central Bureau Electronic Telegrams (2017): 1. Bibcode: 2009CBET.2017....1M. 
  9. ↑ "SN 2009la". IAU. https://www.wis-tns.org/object/2009la. 

Coordinates: Sky map 04h 22m 42.8080s, −40° 36′ 03.037″



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