| NGC 781 | |
|---|---|
 SDSS image of NGC 781 | |
| Observation data (J2000 epoch) | |
| Constellation | Aries |
| Right ascension | 02h 00m 08.97485s[1] |
| Declination | +12° 39′ 22.0060″[1] |
| Redshift | 0.011631[2] |
| Heliocentric radial velocity | 3467 km/s[2] |
| Distance | 154.2 ± 10.9 Mly (47.29 ± 3.34 Mpc)[3] |
| Apparent magnitude (B) | 14.00[2] |
| Characteristics | |
| Type | S?[3] |
| Other designations | |
| UGC 1482, MCG +02-06-010, PGC 7577[2] | |
NGC 781 is a spiral galaxy in the constellation Aries. It is estimated to be about 154 million light years from the Milky Way[3] and has a diameter of approximately 70,000 light years. NGC 781 was discovered on October 16, 1784 by the German-British astronomer William Herschel.[4][5]
- ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
- ^ a b c d "NGC 781". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-24.
- ^ a b c "Results for object NGC 0781 (NGC 781)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-24.
- ^ Ford, Dominic. "The galaxy NGC 781 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-24.
- ^ "Revised NGC Data for NGC 781". spider.seds.org. Retrieved 2020-03-24.