Messier 61

Messier 61
Messier 61[1]
M61.jpg
M61, courtesy of NOAO
Observation data
Epoch J2000
Constellation Virgo
Right ascension 12h 21m 54.9s[2]
Declination +04° 28′ 25″[2]
Apparent dimension (V) 6.5 × 5.8 moa[2]
Apparent magnitude (V) 10.18
Characteristics
Type SAB(rs)bc,[2] HIISy2[2]
Astrometry
Helio Radial velocity 1566 ± 2[2]km/s
Redshift 0.005224 ± 0.000007[2]
Galactocentric Velocity 1483 ± 4[2] km/s
Distance 52.5 ± 2.3 Mly (16.1 ± 0.71 Mpc)
Other designations
NGC 4303,[2] UGC 07420,[2] PGC 040001,[2] MCG +01-32-022,[2] USGC U490 NED310,[2] MRC 1219+047[2]
Database references
SIMBAD Search M61 data
See also: Galaxy, List of galaxies

Messier 61 (also known as M61 or NGC 4303) is a spiral galaxy in the Virgo Cluster. It was discovered by Barnabus Oriani on May 5, 1779.

M61 is one of the larger members of the Virgo Cluster.

Six supernovae have been observed in this galaxy:[3]

  • SN 2008in
  • SN 2006ov
  • SN 1999gn
  • SN 1964F
  • SN 1961I
  • SN 1926A
Amateur Image of Messier 61 Showing Supernova 2008in on April 16, 2009
Infrared image of M61 taken by the Spitzer Space Telescope


References

  1. ^ Tschöke, D.; Hensler, G.; Junkes, N (2000). "X-rays from the barred galaxy NGC 4303". Astronomy and Astrophysics 360 (2): 447–456. arXiv:astro-ph/0006361. Bibcode 2000A&A...360..447T. 
  2. ^ a b c d e f g h i j k l m n "NASA/IPAC Extragalactic Database". Results for M 61. http://nedwww.ipac.caltech.edu/. Retrieved 2006-11-18. 
  3. ^ "List of Supernovae". Central Bureau for Astronomical Telegrams. http://www.cbat.eps.harvard.edu/lists/Supernovae.html. Retrieved 2011-07-03. 

External links

Coordinates: Sky map 12h 21m 54.9s, +04° 28′ 25″


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