NGC 550

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NGC 550
NGC550 - SDSS DR14.jpg
SDSS image of NGC 550
Observation data (J2000 epoch)
Constellation Cetus
Right ascension 01h 26m 42.560s [1]
Declination +02° 01′ 20.52″ [1]
Redshift 0.019560 [2]
Heliocentric radial velocity 5807 km/s [2]
Distance 303.7  Mly (93.10  Mpc) [3]
Apparent magnitude  (B)15.0 [2]
Characteristics
Type SB(s)a? [3]
Other designations
UGC 1021, MCG +00-04-146, PGC 5374 [2]

NGC 550 is a spiral galaxy in the constellation Cetus. It is estimated to be about 300 million light-years from the Milky Way [3] and has a diameter of approximately 110,000 light years. The German-British astronomer William Herschel discovered it on 8 October 1785. [4] [5] [6]

Contents

One supernova has been observed in NGC 550: SN 1961Q (type unknown, mag. 17.2). [7]

See also

Related Research Articles

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<span class="mw-page-title-main">NGC 813</span> Lenticular galaxy in the constrellation Hydrus

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<span class="mw-page-title-main">NGC 911</span> Galaxy in the constellation Andromeda

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<span class="mw-page-title-main">NGC 804</span> Lenticular galaxy in the constellation Triangulum

NGC 804 is a lenticular galaxy located in the Triangulum constellation about 231 million light-years from the Milky Way. It was discovered by the American astronomer Lewis Swift in 1885. This galaxy was also observed by the French astronomer Guillaume Bigourdan on December 24, 1897, and it has been added to the Index Catalogue under the symbol IC 1773.

<span class="mw-page-title-main">NGC 996</span> Galaxy in the constellation Andromeda

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<span class="mw-page-title-main">NGC 941</span> Spiral galaxy in the constellation Cetus

NGC 941 is an intermediate spiral galaxy in the constellation Cetus. It is an estimated 16.83 MPc from the Milky Way and has a diameter of approximately 55,000 light years. The galaxies NGC 926, NGC 934, NGC 936, NGC 955 are located in the same sky area. NGC 941 was discovered by the astronomer William Herschel on 6 January 1785.

<span class="mw-page-title-main">NGC 535</span> Lenticular galaxy in the constellation Cetus

NGC 535 is a lenticular galaxy in the constellation Cetus. It is estimated to be 222 million light years from the Milky Way and has a diameter of approximately 65,000 light years. The supernova SN 1988ad was observed near these coordinates. NGC 535 was discovered on October 31, 1864, by astronomer Heinrich Ludwig d'Arrest.

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NGC 821 is an elliptical galaxy in the constellation Aries. It is estimated to be about 80 million light-years from the Milky Way and has a diameter of approximately 55,000 light years. NGC 821 was discovered on September 4, 1786, by astronomer Wilhelm Herschel.

<span class="mw-page-title-main">NGC 736</span> Galaxy in the constellation Triangulum

NGC 736 is an elliptical galaxy in the constellation Triangulum. It is an estimated 200 million light years from the Milky Way and has a diameter of approximately 85,000 light years. NGC 736 was discovered on September 12, 1784 by the German-British astronomer William Herschel.

<span class="mw-page-title-main">NGC 766</span> Galaxy in the constellation Pisces

NGC 766 is an elliptical galaxy located in the Pisces constellation about 362 million light years from the Milky Way. It was discovered by British astronomer John Herschel in 1828.

<span class="mw-page-title-main">NGC 768</span> Galaxy in the constellation Cetus

NGC 768 is a barred spiral galaxy located in the constellation Cetus about 314 million light years from the Milky Way. It was discovered by the American astronomer Lewis Swift in 1885.

<span class="mw-page-title-main">NGC 769</span> Galaxy in the constellation Triangulum

NGC 769 is a spiral galaxy located in the constellation Triangulum about 197 million light years from the Milky Way. It was discovered by the American astronomer Truman Safford in 1866.

<span class="mw-page-title-main">NGC 644</span> Galaxy in the constellation of Phoenix

NGC 644 is a barred spiral galaxy in the constellation Phoenix in the southern sky. It is estimated to be 270 million light-years from the Milky Way and has a diameter of approximately 130,000 light-years. Together with NGC 641, it probably forms a gravitationally bound pair of galaxies. The object was discovered on September 5, 1834 by John Herschel.

<span class="mw-page-title-main">NGC 645</span> Galaxy in the constellation Perseus

NGC 645 is a barred spiral galaxy in the constellation Pisces. It is estimated to be 112 million light-years from the Milky Way and has a diameter of approximately 115,000 light years. The object was discovered on October 27, 1864 by astronomer Albert Marth.

<span class="mw-page-title-main">NGC 656</span> Lenticular galaxy in the constellation Pisces

NGC 656 is a barred lenticular galaxy located in the Pisces constellation about 175 million light-years from the Milky Way. It was discovered by the Prussian astronomer Heinrich d'Arrest in 1865.

References

  1. 1 2 Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi: 10.1086/498708 . ISSN   0004-6256. S2CID   18913331.
  2. 1 2 3 4 "NGC 550". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2020-05-15.
  3. 1 2 3 "Results for object NGC 0550 (NGC 550)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-15.
  4. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-03-22.
  5. ↑ "Revised NGC Data for NGC 550". spider.seds.org. Retrieved 2020-03-22.
  6. ↑ Ford, Dominic. "The galaxy NGC 550 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-22.
  7. ↑ Transient Name Server entry for SN 1961Q. Retrieved 28 March 2023.


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