NGC 1570

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NGC 1570
NGC 1570 legacy dr10.jpg
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]
Helio 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☉
Size108,000  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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<span class="mw-page-title-main">NGC 940</span> Galaxy in the constellation Triangulum

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<span class="mw-page-title-main">NGC 2803</span> Elliptical or lenticular galaxy in the constellation Cancer

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<span class="mw-page-title-main">NGC 4614</span> Galaxy in the constellation Coma Berenices

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<span class="mw-page-title-main">HD 27022</span> Star in the constellation Camelopardalis

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HD 58425, also known as HR 2830, is an astrometric binary located in the northern circumpolar constellation Camelopardalis. It is faintly visible to the naked eye as an orang point of light at an apparent magnitude of 5.64. Based on parallax measurements from Gaia DR3, the system is estimated to be 470 light years away from Earth. It appears to be rapidly receding from the Sun, having a heliocentric radial velocity of 58.6 km/s. HD 58425 is listed as 54 Ursae Majoris in Johann Hevelius' catalogue, but this was dropped after the official IAU's official constellation borders were drawn.

HD 32820, also known as HR 1651, is a yellowish-white hued star located in the southern constellation Caelum, the chisel. It has an apparent magnitude of 6.3, placing it near the limit of naked eye visibility. The object is located relatively close at a distance of 103 light years based on parallax measurements from Gaia DR3, but is receding with a heliocentric radial velocity of 29.8 km/s.

<span class="mw-page-title-main">HD 196737</span> K-type giant; Microscopium

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<span class="mw-page-title-main">HD 31134</span> Star in the constellation of Camelopardalis

HD 31134, also designated as HR 1561, is a solitary star located in the northern circumpolar constellation Camelopardalis, the giraffe. It is faintly visible to the naked eye as a white-hued star with an apparent magnitude of 5.74. Gaia DR3 parallax measurements place it 473 light years away. It appears to be approaching the Solar System with a heliocentric radial velocity of −15.1 km/s. At its current distance, HD 31134's brightness is diminished by 0.35 magnitudes due to interstellar dust. It has an absolute magnitude of +0.19.

References

  1. 1 2 Vallenari, A.; et al. (Gaia Collaboration) (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics . arXiv: 2208.00211 . doi: 10.1051/0004-6361/202243940 . Gaia DR3 record for this source at VizieR.
  2. 1 2 3 4 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.
  3. 1 2 3 4 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.
  4. 1 2 Lauberts, Andris; Valentijn, Edwin A. (1989). The surface photometry catalogue of the ESO-Uppsala galaxies. Bibcode:1989spce.book.....L.
  5. 1 2 Lauberts, A. (1982). ESO/Uppsala survey of the ESO(B) atlas. Bibcode:1982euse.book.....L.
  6. ↑ 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.
  7. ↑ 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.
  8. ↑ 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.
  9. ↑ 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.
  10. ↑ 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.
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