NGC 2491

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NGC 2491
Observation data
ConstellationCanis Minor
Right ascension119.61 degree
Declination7.983 degree
Redshift0.039290
Heliocentric radial velocity18,476 km/s
Distance583 Mly (178.74 Mpc)
Apparent magnitude (V)14.8
Surface brightness11.75 magnitude
Characteristics
TypeS
Size130,000 ly
Other designations
PGC 22353, 2MASX J07582739+0759018, SDSS J075827.37+075901.7, CGCG 031-007, 2MASS J07582738+0759019, NPM1G+08.0123, LEDA 22353

NGC 2491 is a spiral galaxy located in Canis Minor constellation.[1] It is located 580 million light-years from Earth and has an approximate diameter of 130,000 thousand light-years.[2]

Details[edit]

NGC 2491 was first discovered by astronomer, Lewis Swift on November 15, 1885.[3] According to Swift, who found the object, he described it as extremely faint, small with a round irregular shape and a bright star to the west.[3] With a surface brightness of magnitude of 11.75, NGC 2491 is classified as a high surface brightness galaxy.[4]

References[edit]

  1. ^ "Revised NGC Data for NGC 2491". spider.seds.org. Retrieved 2024-04-23.
  2. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-04-23.
  3. ^ a b "New General Catalog Objects: NGC 2450 - 2499". cseligman.com. Retrieved 2024-04-23.
  4. ^ "Data from NGC and IC catalogue by Wolfgang Steinickle from NGC 2400-2499". astrovalleyfield.ca. Retrieved 2024-04-23.