NGC 1332

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NGC 1332
NGC1332-hst-R814GB555.jpg
NGC 1332 imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Constellation Eridanus
Right ascension 03h 26m 17.2267s [1]
Declination −21° 20′ 06.599″ [1]
Redshift 0.005400 [1]
Heliocentric radial velocity 1553 ± 19 km/s
Distance 21.5 Mpc (70.1 Mly)
Apparent magnitude  (V)10.3 [2]
Characteristics
Type E [2]
Size~131,400  ly (40.29  kpc) (estimated) [1]
Apparent size  (V)4.5′ × 1.4′ [2]
Other designations
ESO 548- G 018, IRAS 03240-2130, UGCA 72, MCG -04-09-011, PGC 12838 [3]

NGC 1332 is an almost edge-on elliptical galaxy located in constellation of Eridanus. Situated about 70 million light years away, it is a member of the Eridanus cluster of galaxies, a cluster of about 200 galaxies. It is also the brightest member of the NGC 1332 Group. It was discovered by William Herschel on 9 December 1784. [4]

Contents

NGC 1332 has a Hubble classification of E, which indicates it is an elliptical galaxy. It is moving away from the Milky Way at a rate of 1,553 km/s. Its size on the night sky is 4.5' x 1.4' which is proportional to its real size of 92 000 ly.[ citation needed ]

NGC 1332 is an early-type galaxy. Despite their name, early-type galaxies are much older than spiral galaxies, and mostly comprise old, red-colored stars. Very little star formation occurs in these galaxies; the lack of star formation in elliptical galaxies appears to start at the center and then slowly propagates outward. [5]

One supernova has been observed in NGC 1332: SN 1982E (type unknown, mag. 14) was discovered by Marina Wischnjewsky on 29 March 1982. [6] [7]

Black hole

NGC 1332 is known by its possessing a supermassive black hole at the center. In 2016, a team from United States and China used the Atacama Large Millimeter/submillimeter Array (ALMA) to collect high resolution data. They were able to measure the mass of the black hole. They determined the mass of about 660 million solar-masses with an uncertainty of just 10%. NGC 1332's black hole is the most massive black hole in the Eridanus Cluster, and it is even more massive than NGC 1399's black hole (NGC 1399 is the Fornax cluster's central galaxy). [8]

See also

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<span class="mw-page-title-main">NGC 1532</span> Galaxy in the constellation Eridanus

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<span class="mw-page-title-main">NGC 1097</span> Galaxy in the constellation Fornax

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<span class="mw-page-title-main">NGC 4697</span> Elliptical galaxy in the constellation Virgo

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<span class="mw-page-title-main">NGC 4564</span> Elliptical galaxy in the constellation Virgo

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<span class="mw-page-title-main">NGC 1281</span> Galaxy in the constellation Perseus

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<span class="mw-page-title-main">NGC 3923</span> Elliptical galaxy in the constellation Hydra

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<span class="mw-page-title-main">NGC 7606</span> Galaxy in the constellation Aquarius

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<span class="mw-page-title-main">NGC 1380</span> Galaxy in the constellation Fornax

NGC 1380 is a lenticular galaxy located in the constellation Fornax. It is located at a distance of circa 60 million light years from Earth, which, given its apparent dimensions, means that NGC 1380 is about 85,000 light years across. It was discovered by James Dunlop on September 2, 1826. It is a member of the Fornax Cluster.

<span class="mw-page-title-main">NGC 2832</span> Elliptical galaxy in the constellation Lynx

NGC 2832 is an elliptical galaxy in the constellation Lynx. The galaxy lies about 290 million light years away from Earth, which means, given its apparent dimensions, that NGC 2832 is approximately 250,000 light years across. It was discovered by William Herschel on December 7, 1785.

References

  1. 1 2 3 4 "Results for object NGC 1332". NASA/IPAC Extragalactic Database. NASA and Caltech . Retrieved 25 November 2024.
  2. 1 2 3 Dunlop, Storm (2005). Atlas of the Night Sky. Collins. ISBN   978-0-00-717223-8.
  3. ↑ "NGC 1332". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2021-02-19.
  4. ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 1332". Celestial Atlas. Retrieved 5 December 2024.
  5. ↑ Howell, Elizabeth (2015). "Colossal Ancient Galaxies Die from the Inside Out". space.com. Retrieved 5 March 2017.
  6. ↑ Maza, J.; Wischnjewsky, M. (1982). "Possible Supernova near NGC 1332". International Astronomical Union Circular (3684): 1. Bibcode:1982IAUC.3684....1M.
  7. ↑ "SN 1982E". Transient Name Server. IAU . Retrieved 5 December 2024.
  8. ↑ Prostak, Sergio (May 6, 2016). "Scientists Determine Mass of NGC 1332's Supermassive Black Hole | Astronomy | Sci-News.com". Sci.News: Breaking Science News.

[[Category:ESO objects|548- G 018] [[Category:IRAS catalogue objects|03240-2130]

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