| NGC 1741 | |
|---|---|
 The pair: NGC 1741A (left) and NGC 1741B (right) as taken by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Eridanus |
| Right ascension | 05h 01m 38.3s |
| Declination | −04° 15′ 25.2″ |
| Redshift | 0.013473 ± 0.000018 |
| Heliocentric radial velocity | 4 039 ± 5 km/s |
| Distance | 56.4 ± 3.9 Mpc (184 ± 13 Mly)h−1 0.73 |
| Apparent magnitude (V) | 14.4 / 14.6 |
| Apparent magnitude (B) | 15.0 / 15.2 |
| Characteristics | |
| Type | Im D |
| Apparent size (V) | 1.0' × 0.3' / 0.4' × 0.15' |
| Other designations | |
| |
NGC 1741 is a distant pair of interacting galaxies (NGC 1741A and NGC 1741B) in the Eridanus constellation.[3][4] It was discovered on 6 January 1878 by French astronomer Édouard Stephan.[5] As a result of the collision, the galaxies are in a rapid starburst phase.[6][4] The galaxies are classed as Wolf–Rayet galaxies due to their high content of rare Wolf–Rayet stars.[7]
This pair of spiral galaxies is made up of PGC 16570 (NGC 1741B) and PGC 16574 (NGC 1741A). This pair is part of the Halton Arp catalog as Arp 259 and the Hickson Compact Group as HCG 31A (NGC 1741A) and HCG 31B (NGC 1741B).[6][5]
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Transcription
References
- ^ "NGC 1741". simbad.u-strasbg.fr. Retrieved 25 February 2017.
- ^ "NASA/IPAC Extragalactic Database". nedwww.ipac.caltech.edu. Retrieved 25 February 2017.
- ^ "Revised NGC Data for NGC 1741". spider.seds.org. Retrieved 25 February 2017.
- ^ a b "Hubble Reveals Young Starburst Activity in Colliding Galaxies". www.spacetelescope.org. Retrieved 25 February 2017.
- ^ a b "New General Catalog Objects: NGC 1700 - 1749". cseligman.com. Retrieved 25 February 2017.
- ^ a b Johnson, Kelsey E.; Vacca, William D.; Leitherer, Claus; Conti, Peter S.; Lipscy, Sarah J. (1 April 1999). "The Very Young Starburst Merger System NGC 1741*". The Astronomical Journal. 117 (4): 1708–1724. Bibcode:1999AJ....117.1708J. doi:10.1086/300800. ISSN 1538-3881.
- ^ Conti, Peter S.; Leitherer, Claus; Vacca, William D. (20 April 2017). "Hubble Space Telescope Ultraviolet Spectroscopy of NGC 1741: A Nearby Template for Distant Energetic Starbursts*". The Astrophysical Journal Letters. 461 (2). arXiv:astro-ph/9602084. doi:10.1086/310005. ISSN 1538-4357. S2CID 17844237.
External links
Media related to NGC 1741 at Wikimedia Commons
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This page was last edited on 22 March 2024, at 14:24