NGC 7171
Galaxy in the constellation Aquarius
NGC 7171 is a barred spiral galaxy in the constellation of Aquarius. Its velocity with respect to the cosmic microwave background is 2388 ± 24 km/s, which corresponds to a Hubble distance of 35.22 ± 2.49 Mpc (~115 million light-years). It was discovered by German-British astronomer William Herschel on 12 August 1787.
According to the SIMBAD database, NGC 7171 is an active Seyfert II galaxy.
One supernova has been observed in NGC 7171: SN 2023yoo (Type Ia, mag. 17.339) was discovered by ATLAS on 28 November 2023.
Sources and credits
This article is adapted from the Wikipedia article “NGC 7171”, 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 7171 PanS.jpg by Donald Pelletier, CC0
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