NGC 1356
| NGC 1356 | |
|---|---|
 HST image of NGC 1356 | |
| Observation data (J2000 epoch) | |
| Constellation | Horologium |
| Right ascension | 03h 30m 40.8s[1] |
| Declination | −50° 18′ 35″[1] |
| Redshift | 0.03934±5[1] |
| Heliocentric radial velocity | 11793±15km/s[1] |
| Distance | 550 Mly (170 Mpc)[1] |
| Apparent magnitude (B) | 14.05[1] |
| Characteristics | |
| Type | SAB(r)bc[1] |
| Size | 107 kpc[1] |
| Apparent size (V) | 1.25 arcmin[1] |
| Other designations | |
| AMC 0329-502, PGC 13035, IRAS 03291-5028, ESO 200-IG 031[2] | |
NGC 1356 is a barred spiral galaxy located in the southern constellation of Horologium.[2] It was discovered by English astronomer John Herschel on Dec 23, 1837.[3]
At a distance of 550 million light-years (170 Mpc) away from the Sun,[1] NGC 1356 is superimposed over an much more distant galaxy (also a barred spiral), PGC 95415, which is approximately 300 million light-years (93 Mpc) more distant than NGC 1356.[4] The small galaxy seen to the far left of the Hubble Space Telescope (HST) image, IC 1947, is actually closer to NGC 1356.
The apparent pairing between NGC 1356 and PGC 95415 caused them to be included in the AMC catalog of peculiar galaxies (AMC 0329-502).[5] Their true separation was determined later. Apparent galaxy pairs such as this one were used as a baseline for comparison to truly interacting galaxy pairs in a 1994-1996 spectroscopic study[6] by Donzelli and Pastoriza using the Complejo Astronomicomico El Leoncito (CASLEO), San Juan, Argentina.
References
[edit]- ^ a b c d e f g h i j "Results for object NGC 1356". caltech.edu. Retrieved 2024-01-13.
- ^ a b "NGC 1356". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2024-01-13.
- ^ Seligman, Courtney. "New General Catalog Objects: NGC 1300 - 1349". cseligman.com. Retrieved 2024-01-13.
- ^ "Hubble Views a Vast Galactic Neighborhood(Text credit: European Space Agency)". nasa.gov. Retrieved 2021-01-10.
- ^ Arp, H.C.; Madore, B.F; Roberton, W. "A Catalogue of Southern Peculiar Galaxies and Associations". ned.ipac.caltech.edu. Retrieved 2021-01-14.
- ^ Donzelli, C.J.; Pastoriza, M.G. (July 1997). "Optical Spectroscopic Properties of a Sample of Interacting Galaxies". The Astrophysical Journal Supplement Series. 111 (1): 181-201. Bibcode:1997ApJS..111..181D. doi:10.1086/313012. hdl:10183/109044.
External links
[edit]Media related to NGC 1356 at Wikimedia Commons
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