From Wikipedia, the free encyclopedia
NGC 7079
Barred lenticular galaxy NGC 7079.
Observation data ( J2000 epoch)
Constellation Grus
Right ascension21h 32m 35.2s [1]
Declination−44° 04′ 03″ [1]
Redshift0.00895 [1]
Heliocentric radial velocity2,684 km/s [1]
Distance110.6  Mly
Apparent magnitude (V)11.6 [1]
Characteristics
TypeSB0^0(s), LINER [1]
Apparent size (V)2.1 x 1.3' [1]
Other designations
ESO 287-36, AM 2129-441, MCG -7-44-22, PGC 66934 [1]

NGC 7079 is a barred lenticular galaxy [2] located about 110.58 million light-years away [3] in the constellation of Grus. [4] [5] NGC 7079 is also classified as a LINER galaxy. [3] [5] It is tilted about 51° to the Earth's line of sight. [2] NGC 7079 was discovered by astronomer John Herschel on September 6, 1834. [4]

Physical characteristics

NGC 7079 has a faint cigar-shaped bar with ansae at the ends, and there is another very faint spiral structure surrounding it. [6] [7] The rim of the disk also has a somewhat faint ring-like structure. [7]

Emission of doubly ionized oxygen gas

In NGC 7079, it has been indicated that there is a faint emission of doubly ionized oxygen. The ionized gas is rotating in the opposite direction of the stars in the galaxy. The counter-rotation has been attributed to the accretion of gas from outside of the galaxy. [2]

Group membership

NGC 7079 is a member of the NGC 7079 Group. The group, along with other nearby groups are part of the Pavo-Indus and Grus clouds of galaxies which form a connection between the Pavo–Indus and Virgo Superclusters. The other members of the NGC 7079 Group are NGC 7070, NGC 7070A, NGC 7097, NGC 7097A, ESO 287-37, ESO 287-39, ESO 287-41, and ESO 287-43. [8]

See also

References

  1. ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 7079. Retrieved 2017-07-18.
  2. ^ a b c Bettoni, D.; Galletta, G. (1997). "A survey of the stellar rotation in barred galaxies" (PDF). Astronomy and Astrophysics Supplement Series. 124: 61–74. Bibcode: 1997A&AS..124...61B. doi: 10.1051/aas:1997180.
  3. ^ a b Marino, A.; Rampazzo, R.; Bianchi, L.; Annibali, F.; Bressan, A.; Buson, L.M.; Clemens, M. S.; Panuzzo, P.; Zeilinger, W. W. (9 September 2010). "Nearby early-type galaxies with ionized gas: the UV emission from GALEX observations" (PDF). Monthly Notices of the Royal Astronomical Society. 411 (1): 311–331. arXiv: 1009.1931. Bibcode: 2011MNRAS.411..311M. doi: 10.1111/j.1365-2966.2010.17684.x. S2CID  119204455.
  4. ^ a b "New General Catalog Objects: NGC 7050 - 7099". cseligman.com. Retrieved 2017-07-01.
  5. ^ a b "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-07-20.
  6. ^ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-07-20.
  7. ^ a b "NGC 7079 - (RL)SB(s)0o". Archived from the original on 2012-09-09. Retrieved 2017-07-22.
  8. ^ Fouque, P.; Proust, D.; Quintana, H.; Ramirez, A. (30 September 1993). "Dynamics of the Pavo-Indus and Grus clouds of galaxies" (PDF). Astronomy and Astrophysics Supplement Series. 100: 493–500. Bibcode: 1993A&AS..100..493F.
From Wikipedia, the free encyclopedia
NGC 7079
Barred lenticular galaxy NGC 7079.
Observation data ( J2000 epoch)
Constellation Grus
Right ascension21h 32m 35.2s [1]
Declination−44° 04′ 03″ [1]
Redshift0.00895 [1]
Heliocentric radial velocity2,684 km/s [1]
Distance110.6  Mly
Apparent magnitude (V)11.6 [1]
Characteristics
TypeSB0^0(s), LINER [1]
Apparent size (V)2.1 x 1.3' [1]
Other designations
ESO 287-36, AM 2129-441, MCG -7-44-22, PGC 66934 [1]

NGC 7079 is a barred lenticular galaxy [2] located about 110.58 million light-years away [3] in the constellation of Grus. [4] [5] NGC 7079 is also classified as a LINER galaxy. [3] [5] It is tilted about 51° to the Earth's line of sight. [2] NGC 7079 was discovered by astronomer John Herschel on September 6, 1834. [4]

Physical characteristics

NGC 7079 has a faint cigar-shaped bar with ansae at the ends, and there is another very faint spiral structure surrounding it. [6] [7] The rim of the disk also has a somewhat faint ring-like structure. [7]

Emission of doubly ionized oxygen gas

In NGC 7079, it has been indicated that there is a faint emission of doubly ionized oxygen. The ionized gas is rotating in the opposite direction of the stars in the galaxy. The counter-rotation has been attributed to the accretion of gas from outside of the galaxy. [2]

Group membership

NGC 7079 is a member of the NGC 7079 Group. The group, along with other nearby groups are part of the Pavo-Indus and Grus clouds of galaxies which form a connection between the Pavo–Indus and Virgo Superclusters. The other members of the NGC 7079 Group are NGC 7070, NGC 7070A, NGC 7097, NGC 7097A, ESO 287-37, ESO 287-39, ESO 287-41, and ESO 287-43. [8]

See also

References

  1. ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 7079. Retrieved 2017-07-18.
  2. ^ a b c Bettoni, D.; Galletta, G. (1997). "A survey of the stellar rotation in barred galaxies" (PDF). Astronomy and Astrophysics Supplement Series. 124: 61–74. Bibcode: 1997A&AS..124...61B. doi: 10.1051/aas:1997180.
  3. ^ a b Marino, A.; Rampazzo, R.; Bianchi, L.; Annibali, F.; Bressan, A.; Buson, L.M.; Clemens, M. S.; Panuzzo, P.; Zeilinger, W. W. (9 September 2010). "Nearby early-type galaxies with ionized gas: the UV emission from GALEX observations" (PDF). Monthly Notices of the Royal Astronomical Society. 411 (1): 311–331. arXiv: 1009.1931. Bibcode: 2011MNRAS.411..311M. doi: 10.1111/j.1365-2966.2010.17684.x. S2CID  119204455.
  4. ^ a b "New General Catalog Objects: NGC 7050 - 7099". cseligman.com. Retrieved 2017-07-01.
  5. ^ a b "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-07-20.
  6. ^ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-07-20.
  7. ^ a b "NGC 7079 - (RL)SB(s)0o". Archived from the original on 2012-09-09. Retrieved 2017-07-22.
  8. ^ Fouque, P.; Proust, D.; Quintana, H.; Ramirez, A. (30 September 1993). "Dynamics of the Pavo-Indus and Grus clouds of galaxies" (PDF). Astronomy and Astrophysics Supplement Series. 100: 493–500. Bibcode: 1993A&AS..100..493F.

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