NGC 512
Spiral galaxy in the constellation Andromeda
NGC 512, also occasionally referred to as PGC 5132 or UGC 944, is a spiral galaxy in the constellation Andromeda. It is located approximately 217 million light-years from the Solar System and was discovered on 17 November 1827 by astronomer John Herschel.
01Observation history
Herschel's discovery is based on a single observation. He described the object as "very faint, very small". The position is just 23" from UGC 944, thus the two objects are generally regarded as equivalent. John Louis Emil Dreyer, creator of the New General Catalogue, added the object to the catalogue, adopting Herschel's description.
02Description
The galaxy has an apparent size of 1.6 × 0.4 arcmins and appears very elongated. It has a recessional velocity of approximately 4810 kilometers per second. The distance of NGC 512 from the Solar System can be estimated using Hubble's law, which puts the object at roughly 220 million light-years from the Sun.
Sources and credits
This article is adapted from the Wikipedia article “NGC 512”, 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 0512 SDSS.jpg by Donald Pelletier, CC BY-SA 4.0
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