NGC 1164

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NGC 1164
NGC 1164 SDSS.jpg
NGC 1164 (Hubble Space Telescope)
Observation data (J2000.0 epoch)
Constellation Eridanus
Right ascension 03h 02m 24.45s [1]
Declination −11° 19′ 00.0″ [1]
Redshift 0.012846 [1]
Heliocentric radial velocity 3842 ± 23 km/s [1]
Distance 60 Mly [1]
Apparent magnitude  (V)12.50 [1]
Apparent magnitude  (B)13.00 [1]
Characteristics
Type (R')SAB(rs)b [1]
Apparent size  (V)1.5 x 1.3 [1]
Other designations
PGC 11275, MCG -02-08-030, UGC 2433

NGC 1164 is a barred spiral galaxy located in the constellation Eridanus, approximately 60 million light-years from Earth. It was discovered by the astronomer John Herschel in 1834. NGC 1164 is classified as a (R')SAB(rs)b type spiral galaxy, with a prominent central bar structure and well-defined spiral arms. [2]

Contents

Structure and features

NGC 1164 is a relatively large galaxy, measuring roughly 100,000 light-years in diameter. It is characterized by its bright, central bulge and the elongated bar structure that spans its core. The galaxy's spiral arms are well-developed and feature areas of intense star formation. [3]

Observations of NGC 1164 using both optical and infrared telescopes have revealed a rich population of stars and gas clouds, indicating an active star-forming region within the galaxy. It also displays signs of a central supermassive black hole, a common feature in many large galaxies.

Location and distance

NGC 1164 is located in the southern constellation Eridanus, which is visible from Earth's southern hemisphere. It lies at a distance of approximately 60 million light-years from the Milky Way, making it part of the larger structure of galaxies in the local universe.

Observational history

John Herschel discovered NGC 1164 in 1834 while observing the southern skies. Since its discovery, it has been a subject of interest for both amateur and professional astronomers, especially due to its relatively well-preserved spiral structure and central bar.

It has been studied in various wavelengths of light, including optical, infrared, and radio, contributing valuable insights into the mechanisms of star formation and galactic dynamics. Modern observations, including those by the Hubble Space Telescope, have helped to create detailed images of the galaxy.

Significance in astronomy

NGC 1164 is part of the catalog of galaxies known as the New General Catalogue (NGC), a collection of astronomical objects compiled in the 19th century. As a barred spiral galaxy, NGC 1164 is an important example of this type of galaxy, allowing astronomers to study the structure, dynamics, and evolution of barred spirals in greater detail.

Research on galaxies like NGC 1164 helps to improve our understanding of galactic formation, the role of central black holes, and the processes that drive star formation in different regions of the universe.

Supernovae

Two supernovae have been observed in NGC 1164:

See also

Related Research Articles

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<span class="mw-page-title-main">NGC 1187</span> Barred spiral galaxy in Eridanus

NGC 1187 is a barred spiral galaxy located about 60 million light-years away in the constellation of Eridanus. It was discovered on December 9, 1784 by the astronomer William Herschel.

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<span class="mw-page-title-main">NGC 7329</span> Galaxy in the constellation Tucana

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<span class="mw-page-title-main">NGC 3914</span> Galaxy in the constellation Virgo

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<span class="mw-page-title-main">NGC 5251</span> Galaxy in the constellation Boötes

NGC 5251 is a barred spiral galaxy in the constellation of Boötes. Its velocity with respect to the cosmic microwave background is 11202 ± 17 km/s, which corresponds to a Hubble distance of 165.22 ± 11.57 Mpc. It was discovered by German-British astronomer William Herschel on 11 April 1785.

<span class="mw-page-title-main">NGC 6492</span> Galaxy in the constellation Pavo

NGC 6492 is a spiral galaxy in the constellation of Pavo. Its velocity with respect to the cosmic microwave background is 4351 ± 8 km/s, which corresponds to a Hubble distance of 209.3 ± 14.6 Mly (64.17 ± 4.49 Mpc). In addition, five non redshift measurements give a distance of 183.10 ± 12.28 Mly (56.140 ± 3.766 Mpc). The galaxy was discovered by British astronomer John Herschel on 22 July 1835.

<span class="mw-page-title-main">NGC 1166</span> Barred spiral galaxy in the constellation Eridanus

NGC 1166 is a barred spiral galaxy located in the constellation Eridanus. It is situated approximately 53 million light-years away from Earth and was discovered by the British astronomer John Herschel on November 17, 1834.

References

  1. 1 2 3 4 5 6 7 8 9 NASA/IPAC Extragalactic Database
  2. ↑ "NGC 1164". NASA/IPAC Extragalactic Database. Retrieved 2024-12-22.
  3. ↑ "NGC 1164". SIMBAD Astronomical Database. Retrieved 2024-12-22.
  4. ↑ Mueller, J.; Mendenhall, J. D.; Djorgovski, S. G.; Smith, J.D. (1993). "Supernova 1993ab in NGC 1164". International Astronomical Union Circular. 5871: 2. Bibcode:1993IAUC.5871....2M.
  5. ↑ "SN 1993ab". Transient Name Server. IAU . Retrieved 22 December 2024.
  6. ↑ "SN 2016hsr". Transient Name Server. IAU . Retrieved 22 December 2024.
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