NGC 57

Last updated
NGC 57
NGC57 - SDSS DR14.jpg
NGC 57 as seen on SDSS
Observation data (J2000 epoch)
Constellation Pisces [1]
Right ascension 00h 15m 30.9s [2]
Declination +17° 19 42 [2]
Redshift 0.018146 [2]
Helio radial velocity 5,440 ± 22 km/s [2]
Distance 243 Mly [3]
Apparent magnitude  (V)11.8 [1]
Apparent magnitude  (B)12.8 [1]
Characteristics
Type E [2]
Apparent size  (V)2.2 × 1.9 [2]
Other designations
UGC 145, [2] PGC 1037 [2]

NGC 57 is an elliptical galaxy in the constellation Pisces. [1] It was discovered on 8 October 1784 by astronomer William Herschel. [4]

Contents

SN 2010dq

Supernova 2010dq as seen on 2010-09-03 (announced 2010-06-03) NGC57-SN2010dq-2010Sep3.jpg
Supernova 2010dq as seen on 2010-09-03 (announced 2010-06-03)

On June 3, 2010, Koichi Itagaki detected a magnitude 17 supernova 17" west and 1" south of the center of NGC 57 at coordinates 00 15 29.70 +17 19 41.0: Itagaki detected the August 29th 2011 an other supernova in NGC 57, 2011fp, with magnitude 17,9. [5] [6]

See also

NGC 57 (2MASS) NGC 0057 2MASS.jpg
NGC 57 (2MASS)

Related Research Articles

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<span class="mw-page-title-main">NGC 495</span> Galaxy in the constellation Pisces

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<span class="mw-page-title-main">NGC 501</span> Elliptical galaxy in the constellation Pisces

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<span class="mw-page-title-main">NGC 519</span> Elliptical galaxy in the constellation Cetus

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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 8 "NASA/IPAC Extragalactic Database". Results for NGC 57. 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. David Bishop. "Latest Supernovae". supernovae.net (International Supernovae Network). Retrieved 2010-06-04.
  6. Cbet 2820 del 20 settembre 2011