NGC 7010 is a massive elliptical galaxy located about 365 million light-years from Earth in the constellation Aquarius.[2][3] NGC 7010 was discovered by astronomer John Herschel on August 6, 1823, and was later listed by French astronomer Guillaume Bigourdan as IC 5082.[4]

NGC 7010
SDSS image of NGC 7010.
Observation data (J2000 epoch)
ConstellationAquarius
Right ascension21h 04m 39.5s[1]
Declination−12° 20′ 18″[1]
Redshift0.028306[1]
Heliocentric radial velocity8,486 km/s[1]
Distance365,344,000 ly
Apparent magnitude (V)14.5[1]
Characteristics
TypeE+ pec [1]
Size~209,420.4 ly [1]
Apparent size (V)1.9 x 1.0[1]
Other designations
NPM1G -12.0537, IC 5082, MCG -2-53-24, PGC 66039[1]

Physical characteristics edit

NGC 7010 has broad, plateau shaped shells of stars surrounding it.[5] Its theorized that the shells formed from the accretion of another galaxy.[6]

See also edit

References edit

  1. ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for NGC 7010. Retrieved 2017-05-06.
  2. ^ Rojas, Sebastián García. "Galaxy NGC 7010 Deep Sky Objects Browser". DSO Browser. Archived from the original on 2017-08-07. Retrieved 2017-05-06.
  3. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-05-06.
  4. ^ "New General Catalog Objects: NGC 7000 - 7049". cseligman.com. Retrieved 2017-05-08.
  5. ^ McGaugh, Stacy S.; Bothun, Gregory D. (October 1990). "Stellar populations in shell galaxies" (PDF). The Astronomical Journal. 100: 1073. Bibcode:1990AJ....100.1073M. doi:10.1086/115580. hdl:1903/8712.
  6. ^ Kojima, Makoto; Noguchi, Masafumi (20 May 1997). "Sinking satellite disk galaxies. I. Shell formation preceded by cessation of star formation". The Astrophysical Journal. 481 (1): 132–156. Bibcode:1997ApJ...481..132K. doi:10.1086/304021.

External links edit