NGC 2491

NGC 2491
Sloan Digital Sky Survey of NGC 2491
Observation data (J2000 epoch)
ConstellationCanis Minor
Right ascension07h 58m 27.37s
Declination+07d 59m 01.74s
Redshift0.039290
Heliocentric radial velocity18,476 km/s
Distance583 Mly (178.74 Mpc)
Apparent magnitude (V)14.8
Apparent magnitude (B)15.6
Surface brightness11.75
Characteristics
TypeS
Size130,000 ly
Apparent size (V)0.3' x 0.2'
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 light-years.[2]

Details

NGC 2491 was discovered by American astronomer Lewis Swift on November 15, 1885.[3] Swift 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

  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.