| NGC 1570 | |
|---|---|
 A legacy surveys image of NGC 1570. | |
| Observation data (J2000.0 epoch) | |
| Constellation | Caelum |
| Right ascension | 04h 22m 08.93282s[1] |
| Declination | −43° 37′ 46.4517″[1] |
| Redshift | 0.014760[2] |
| Heliocentric radial velocity | 4,392±84 km/s[2] |
| Distance | 199 Mly (60.9 Mpc)[3] |
| Group or cluster | LDC 302[3] |
| Apparent magnitude (B) | 13.22[4] |
| Characteristics | |
| Type | S0[5] |
| Mass | 297±149 (black hole)[6] M☉ |
| Size | 108,000 ly (33,113 pc)[7] |
| Apparent size (V) | 1.037′ × 0.809′[8] |
| Other designations | |
| NGC 1571, LEDA 14971, PGC 14971 | |
NGC 1570, mistakenly called NGC 1571, is a faint galaxy located in the southern constellation Caelum, the chisel. It has a blue magnitude of 13.2,[4] making it visible through a medium sized telescope. Based on a redshift of z = 0.014760,[2] the object is estimated to be 198 million light years (60.9 megaparsecs) away from the Local Group.[3] It appears to be receding with a heliocentric radial velocity of 4,392 km/s.[2]
NGC 1570 has a galaxy morphological classification of S0,[5] indicating that it is a lenticular galaxy. It has also been catalogued as a peculiar elliptical galaxy. The central black hole has a mass 297 times that of the Sun.[9] It is estimated to be 8.9 billion years old, younger than the Milky Way. The average iron abundance of the galaxy is 135% that of the Sun's. NGC 1570 is said to be round in shape, making it more likely to be an elliptical galaxy.[10]
The galaxy was first discovered by Sir John Herschel in November 1835. A month later, he observed NGC 1570 again and mistakenly called it NGC 1571 due to imprecise coordinates. NGC 1570 is part of a small galaxy group called LDC 302.[3] It is the brightest member.
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References
- ^ a b Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b c d Paturel, G.; Dubois, P.; Petit, C.; Woelfel, F. (2002). "Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003". LEDA: 0. Bibcode:2002LEDA.........0P.
- ^ a b c d Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (February 2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal. 655 (2): 790–813. arXiv:astro-ph/0610732. Bibcode:2007ApJ...655..790C. doi:10.1086/510201. eISSN 1538-4357. ISSN 0004-637X.
- ^ a b Lauberts, Andris; Valentijn, Edwin A. (1989). The surface photometry catalogue of the ESO-Uppsala galaxies. Bibcode:1989spce.book.....L.
- ^ a b Lauberts, A. (1982). ESO/Uppsala survey of the ESO(B) atlas. Bibcode:1982euse.book.....L.
- ^ Caramete, L. I.; Biermann, P. L. (October 2010). "The mass function of nearby black hole candidates". Astronomy and Astrophysics. 521: A55. arXiv:0908.2764. Bibcode:2010A&A...521A..55C. doi:10.1051/0004-6361/200913146. eISSN 1432-0746. ISSN 0004-6361.
- ^ Casasola, V.; Bettoni, D.; Galletta, G. (16 July 2004). "The gas content of peculiar galaxies: Strongly interacting systems". Astronomy and Astrophysics. 422 (3): 941–950. arXiv:astro-ph/0405112. Bibcode:2004A&A...422..941C. doi:10.1051/0004-6361:20040283. eISSN 1432-0746. ISSN 0004-6361.
- ^ Skrutskie, M. F.; Cutri, R. M.; Stiening, R.; Weinberg, M. D.; Schneider, S.; Carpenter, J. M.; Beichman, C.; Capps, R.; Chester, T.; Elias, J.; Huchra, J.; Liebert, J.; Lonsdale, C.; Monet, D. G.; Price, S.; Seitzer, P.; Jarrett, T.; Kirkpatrick, J. D.; Gizis, J. E.; Howard, E.; Evans, T.; Fowler, J.; Fullmer, L.; Hurt, R.; Light, R.; Kopan, E. L.; Marsh, K. A.; McCallon, H. L.; Tam, R.; Van Dyk, S.; Wheelock, S. (February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. eISSN 1538-3881. ISSN 0004-6256.
- ^ Longhetti, M.; Rampazzo, R.; Bressan, A.; Chiosi, C. (June 1998). "Star formation history of early-type galaxies in low density environments". Astronomy and Astrophysics Supplement Series. 130 (2): 251–265. arXiv:astro-ph/9910032. Bibcode:1998A&AS..130..251L. doi:10.1051/aas:1998410. eISSN 1286-4846. ISSN 0365-0138.
- ^ Sinnott, Roger W. (1988). NGC 2000.0: The Complete New General Catalogue and Index Catalogues of Nebulae and Star Clusters by J. L. E. Dreyer. Bibcode:1988cngc.book.....S.
This page was last edited on 16 August 2023, at 13:02