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NGC 3370 (also known as UGC 5887 or Silverado Galaxy[2]) is a spiral galaxy about 98 million light-years away in the constellation Leo. It is comparable to our Milky Way both in diameter (100,000 light years) and mass (1011 solar masses). NGC 3370 exhibits an intricate spiral arm structure surrounding a poorly defined nucleus. It is a member of the NGC 3370 Group of galaxies, which is a member of the Leo II Groups, a series of galaxies and galaxy clusters strung out from the right edge of the Virgo Supercluster.[3]

NGC 3370
Hubble Space Telescope image of spiral galaxy NGC 3370 Credit: NASA/ESA
Observation data (J2000 epoch)
ConstellationLeo
Right ascension10h 47m 04.0s[1]
Declination+17° 16′ 25″[1]
Redshift1279 ± 4 km/s[1]
Distance98 Mly
Apparent magnitude (V)12.3[1]
Characteristics
TypeSA(s)c[1] III[citation needed]
Apparent size (V)3′.2 × 1′.8[1]
Notable featuresDusty
Other designations
UGC 5887,[1] PGC 32207, Silverado Galaxy[citation needed]

History


NGC 3370 was likely discovered by William Herschel, who provided it with the designation II 81.[4] His son John later designated it 750. William Herschel cataloged I 80 to NGC 3348[4] before and II 82 to NGC 3455 after NGC 3370.[4]

The object has a surface brightness of 13 and a position angle (PA) of 140°.

On November 14, 1994, S. Van Dyk and the Leuschner Observatory Supernova Search discovered a supernova in NGC 3370 at 10h 44m 21.52s +17° 32′ 20.7′′, designated SN 1994ae.[5] SN 1994ae was a type Ia supernova, and one of the nearest and best observed since the advent of modern digital detectors.[6] The maximal light of the supernova was estimated to have occurred between November 30 and December 1[citation needed], peaking at visual magnitude 13.[5]

1994 image on the left shows supernova SN 1994ae. No longer visible in 2003 when Hubble Space Telescope imaged the galaxy
1994 image on the left shows supernova SN 1994ae. No longer visible in 2003 when Hubble Space Telescope imaged the galaxy

See also



References


  1. "NASA/IPAC Extragalactic Database". Results for NGC 3370. Retrieved 2006-11-25.
  2. Sparrow, Giles (2006). Cosmos. Booksales. ISBN 978-1-905204-29-8.
  3. "The Leo III Groups". Atlas of the Universe. Archived from the original on July 22, 2012. Retrieved 2010-11-27.
  4. William Herschel's Deepsky Objects (The Herschel 2500 list)
  5. A Look at NGC 3370 in Detail
  6. "Celestial Composition". Hubble Space Telescope. ESA/Hubble. Archived from the original on 6 July 2015. Retrieved 6 July 2015.


Wikimedia Commons has media related to NGC 3370.



На других языках

[de] NGC 3370

NGC 3370 ist eine Spiralgalaxie vom Hubble-Typ Sc im Sternbild Löwe auf der Ekliptik. Sie ist rund 53 Millionen Lichtjahre von der Milchstraße entfernt und hat einen Durchmesser von etwa 45.000 Lichtjahren.
- [en] NGC 3370

[es] NGC 3370

NGC 3370 o Galaxia Silverado es una galaxia espiral que se encuentra a 98 millones de años luz en dirección a la constelación de Leo. Su magnitud aparente es 12,3. Probablemente fue descubierta por William Herschel en 1784.

[ru] NGC 3370

NGC 3370 (другие обозначения — UGC 5887, MCG 3-28-8, ZWG 95.19, IRAS10444+1732, PGC 32207) — спиральная галактика (Sc) в созвездии Лев.


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