NGC 57

NGC 57
Elliptical galaxy
NGC 57 imaged by SDSS
Observation data (J2000 epoch)
ConstellationPisces
Right ascension00h 15m 30.9132s
Declination+17° 19′ 42.307″
Redshift0.018146
Heliocentric radial velocity5,440 ± 22 km/s
Distance243 Mly
Apparent magnitude (V)11.8
Apparent magnitude (B)12.8
Characteristics
TypeE
Apparent size (V)2.2′ × 1.9′
Other designations
UGC 145, MCG +03-01-031, PGC 1037, CGCG 456-046

NGC 57 is an elliptical galaxy in the constellation Pisces. It was discovered by German-British astronomer William Herschel on 8 October 1784.

SN 2010dq imaged on 3 September 2010

Supernovae

Two supernovae have been observed in NGC 57:

See also

NGC 57 (2MASS)

References

  1. 1 2 3 4 "Revised NGC Data for NGC 57". spider.seds.org. Retrieved 2017-12-18.
  2. 1 2 3 4 5 6 7 "Results for object NGC 0057". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2006-12-22.
  3. ↑ An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho
  4. ↑ "New General Catalog Objects: NGC 50 - 99". cseligman.com. Retrieved 2017-12-18.
  5. ↑ Nakano, S. (2010). "Supernova 2010dq in NGC 57". Central Bureau Electronic Telegrams (2303): 1. Bibcode:2010CBET.2303....1N.
  6. ↑ "SN 2010dq". Transient Name Server. IAU. Retrieved 21 December 2024.
  7. ↑ Nakano, S.; Nishimura, K.; Yamaoka, H.; Noguchi, T.; Magill, L.; Kotak, R.; Smartt, S.; Pastorello, A.; Maguire, K. (2011). "Supernova 2011fp in NGC 57 = PSN J00152561+1719119". Central Bureau Electronic Telegrams (2820): 1. Bibcode:2011CBET.2820....1N.
  8. ↑ "SN 2011fp". Transient Name Server. IAU. Retrieved 21 December 2024.