NGC 488
Spiral galaxy in the constellation Pisces
NGC 488 is a face-on spiral galaxy in the constellation Pisces. It was discovered by German-British astronomer William Herschel on 13 December 1784. It is at a distance of about 90 million light-years away from Earth. Its diameter is estimated to be ~185,800 Light Years (~52.7 Kpc). The galaxy has a large central bulge, and is considered a prototype galaxy with multiple spiral arms. Its arms are tightly wound. Star forming activity has been traced within the arms. The nucleus of NGC 488 has been found to be chemically decoupled, being twice as metal rich as the central bulge of the galaxy. NGC 488, with the exception of its smaller companions, form the NGC 488 group; a relatively isolated galaxy group.
01Supernovae
Two supernovae have been observed in NGC 488:
- SN 1976G (type unknown, mag. 15) was discovered by Miklós Lovas on 21 October 1976. It was also independently discovered by Swiss astronomer Paul Wild on 23 October 1976.
- SN 2010eb (Type Ia, mag. 14.7) was discovered by Berto Monard on 12 June 2010.
Sources and credits
This article is adapted from the Wikipedia article “NGC 488”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- N488s.jpg by Credit Line and Copyright Adam Block/Mount Lemmon SkyCenter/University of Arizona, CC BY-SA 3.0 us
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