NGC 7012

NGC 7012

In this picture, NGC 7012 is surrounded by 3 smaller galaxies. The star TYC 7977-850-1 is also visible at the lower right.
Observation data (J2000 epoch)
Constellation Microscopium
Right ascension 21h 06m 45.5s[1]
Declination −44° 48′ 53″[1]
Redshift 0.029347/8798 km/s [1]
Distance 381,654,000 ly
Apparent magnitude (V) 13.65 [1]
Characteristics
Type E4 pec[1]
Apparent size (V) 2.5 x 1.4[1]
Other designations
ESO 286-51, AM 2103-450, PGC 66116 [1]

NGC 7012 is a large, bright[2] elliptical galaxy located about 381 million Light-years away from Earth in the constellation Microscopium[3][4] NGC 7012 was discovered by astronomer John Herschel on July 1, 1834.[5]

ACO S921

NGC 7012 is the brightest galaxy in the center of a small compact group of interacting galaxies[6] called ACO S921.[2] The cluster has about seven major galaxies with many other more distant, fainter galaxies that are probably also associated.[2]

NGC 7012

NGC 7012 Is the brightest galaxy in the cluster with an apparent magnitude of 12.6.[2]

J2106481-444853

J2106481-444853 is a very faint galaxy situated just 32" NE of NGC 7012 in a tight group of 5 galaxies. The galaxy is not listed in the NED, HyperLeda or SIMBAD databases.[2]

LCRS B210329.4-450104 [7]

LCRS B210329.4-450104

The galaxy LCRS B210329.4-450104.
Observation data
Constellation Microscopium
Right ascension 21h 06m 49.2s
Declination −44° 49′ 00″
Distance 404 Mly

LCRS B210329.4-450104 is another faint galaxy situated 40" E of the center of NGC 7012.[2]

ESO-LV 2860520[7]

ESO-LV 2860520
Observation data
Constellation Microscopium
Right ascension 21h 06m 50.8s
Declination −44° 49′ 07″
Redshift 0.028953/8680 km/s
Distance 372 Mly
Characteristics
Type E or S0
Other designations
PGC 66118, ESO 286-052

This faint galaxy is located about 372 million light-years away from Earth.[2] ESO-LV 2860520 calculated velocity is 8680 km/s. The galaxy is either considered an Elliptical or a Lenticular.[8]

2MASX J21065660-4449137[9][10]

2MASX J21065660-4449137

Galaxy 2MASX J21065660-4449137.
Observation data (J2000 epoch)
Constellation Microscopium
Right ascension 21h 06m 56s
Declination −44° 49′ 14″
Distance 404 Mly
Other designations
PGC 533284[1]

2MASX J21065660-4449137 is a small, faint galaxy located near the core of ACO S921. It is situated 1.3" ESE of NGC 7012.[2]

ESO 286-048

ESO 286-048

Lenticular galaxy ESO 286-048.
Observation data (J2000 epoch)
Constellation Microscopium
Right ascension 21h 06m 28.9s
Declination −44° 47′ 20″
Redshift 0.030047/9008 km/s
Distance 386 Mly
Characteristics
Type S0[11]
Size ~158,761.54 ly
Other designations
PGC 066109, ESO-LV2860480, 2MFGC15985, 2MASX J21062888-4447201.

ESO 286-048 is a faint lenticular galaxy located about 386 million light years away.[12] Viewed from Earth, the galaxy appears edge-on.[2] ESO 286-048's calculated velocity is 9008 km/s.[12][13] ESO 286-048 has an estimated diameter of 158,761 light-years.[12]

See also

References

  1. 1 2 3 4 5 6 7 8 "NASA/IPAC Extragalactic Database". Results for NGC 7012. Retrieved 2017-05-13.
  2. 1 2 3 4 5 6 7 8 9 "NGC/IC Project Restoration Efforts". www.ngcicproject.org. Retrieved 2017-05-13.
  3. ↑ Rojas, Sebastián García. "Galaxy NGC 7012 Deep Sky Objects Browser". DSO Browser. Retrieved 2017-05-11.
  4. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-05-13.
  5. ↑ "New General Catalog Objects: NGC 7000 - 7049". cseligman.com. Retrieved 2017-05-08.
  6. ↑ "ACO S 921". simbad.u-strasbg.fr. Retrieved 2017-05-18.
  7. 1 2 "HyperLeda -object description". leda.univ-lyon1.fr. Retrieved 2017-05-14.
  8. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-05-14.
  9. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-05-14.
  10. ↑ "HyperLeda -object description". leda.univ-lyon1.fr. Retrieved 2017-05-14.
  11. ↑ "NASA/IPAC Extragalactic Database". Results for ESO 286-048. Retrieved 2017-05-13.
  12. 1 2 3 "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-05-14.
  13. ↑ "HyperLeda -object description". leda.univ-lyon1.fr. Retrieved 2017-05-13.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.