NGC 644
Galaxy in the constellation of Phoenix
NGC 644 is a barred spiral galaxy in the constellation Phoenix in the southern sky. It is estimated to be 270 million light-years from the Milky Way and has a diameter of approximately 130,000 light-years. Together with NGC 641, it probably forms a gravitationally bound pair of galaxies. The object was discovered by British astronomer John Herschel on 5 September 1834.
01Supernovae
Two supernovae have been observed in NGC 644:
Sources and credits
This article is adapted from the Wikipedia article “NGC 644”, 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:
- NGC 644 DECam.jpg by Meli thev, CC BY-SA 4.0
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