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Flag Counter
  2. World Encyclopedia
  3. NGC 7057 - Wikipedia
NGC 7057 - Wikipedia
From Wikipedia, the free encyclopedia
NGC 7057
NGC 7057 imaged by Legacy Surveys
Observation data (J2000 epoch)
ConstellationMicroscopium
Right ascension21h 24m 58.7s[1]
Declination−42° 27′ 38″[1]
Redshift0.017962[1]
Heliocentric radial velocity5,385 km/s[1]
Distance230.1 Mly
Apparent magnitude (V)12.60[1]
Characteristics
TypeE[1]
Apparent size (V)1.4 x 1.0[1]
Other designations
ESO 287-17, AM 2121-424, MCG -7-44-4, PGC 66708[1]

NGC 7057 is an elliptical galaxy located about 230 million light-years away in the constellation of Microscopium.[2][3] NGC 7057 was discovered by astronomer John Herschel on September 2, 1836.[4]

Group membership

NGC 7057 is a member of a group of galaxies known as the NGC 7060 group. Other members of the group are NGC 7060, NGC 7072 and NGC 7072A.[5]

See also

References

  1. ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 7057. Retrieved 2017-07-03.
  2. ^ Rojas, Sebastián García. "Galaxy NGC 7057 - Galaxy in Microscopium Constellation · Deep Sky Objects Browser". DSO Browser. Archived from the original on 2017-10-15. Retrieved 2017-07-03.
  3. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-07-03.
  4. ^ "New General Catalog Objects: NGC 7050 - 7099". cseligman.com. Retrieved 2017-07-01.
  5. ^ Fouque, P.; Proust, D.; Quintana, H.; Ramirez, A. (1993-09-01). "Dynamics of the Pavo-Indus and Grus clouds of galaxies". Astronomy and Astrophysics Supplement Series. 100: 493–500. Bibcode:1993A&AS..100..493F. ISSN 0365-0138.


Sunting pranala
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