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NGC 1270

From Wikipedia, the free encyclopedia

NGC 1270
SDSS image of NGC 1270.
Observation data (J2000 epoch)
ConstellationPerseus
Right ascension03h 18m 58.1s[1]
Declination41° 28′ 12″[1]
Redshift0.016561[1]
Heliocentric radial velocity4965 km/s[1]
Distance250 Mly (78 Mpc)[1]
Group or clusterPerseus Cluster
Apparent magnitude (V)14.26[1]
Characteristics
TypeE[1]
Size~139,400 ly (42.75 kpc) (estimated)[1]
Apparent size (V)1.5 x 1.2[1]
Other designations
CGCG 540-95, MCG 7-7-57, PGC 12350, UGC 2660[1]

NGC 1270 is an elliptical galaxy located about 250 million light-years away[2] in the constellation Perseus.[3] It was discovered by astronomer Heinrich d'Arrest on February 14, 1863.[4] NGC 1270 is a member of the Perseus Cluster[5][4] and has an estimated age of about 11 billion years.[6] However, Greene et al. puts the age of NGC 1270 at about 15.0 ± 0.50 Gy.[7]

NGC 1270 has a supermassive black hole[8] with an estimated mass of no more than 12 billion solar masses (12×109 M☉).[9]

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Transcription

Activity

Spectroscopy of NGC 1270 suggests that the galaxy contains a low-luminosity AGN (LLAGN).[10]

See also

References

  1. ^ a b c d e f g h i j "NASA/IPAC Extragalactic Database". Results for NGC 1270. Retrieved 2018-06-20.
  2. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2018-06-21.
  3. ^ "Revised NGC Data for NGC 1270". spider.seds.org. Retrieved 2018-06-21.
  4. ^ a b "New General Catalog Objects: NGC 1250 - 1299". cseligman.com. Retrieved 2018-06-15.
  5. ^ Brunzendorf, J.; Meusinger, H. (October 1, 1999). "The galaxy cluster Abell 426 (Perseus). A catalogue of 660 galaxy positions, isophotal magnitudes and morphological types". Astronomy and Astrophysics Supplement Series. 139 (1): 141–161. Bibcode:1999A&AS..139..141B. doi:10.1051/aas:1999111. ISSN 0365-0138.
  6. ^ Greene, Jenny E.; Murphy, Jeremy D.; Graves, Genevieve J.; Gunn, James E.; Raskutti, Sudhir; Comerford, Julia M.; Gebhardt, Karl (2013). "The Stellar Halos of Massive Elliptical Galaxies. II. Detailed Abundance Ratios at Large Radius". The Astrophysical Journal. 776 (2): 64. arXiv:1308.2682. Bibcode:2013ApJ...776...64G. doi:10.1088/0004-637X/776/2/64. ISSN 0004-637X. S2CID 118638136.
  7. ^ Greene, Jenny E.; Murphy, Jeremy D.; Comerford, Julia M.; Gebhardt, Karl; Adams, Joshua J. (2012-04-13). "The Stellar Halos of Massive Elliptical Galaxies". The Astrophysical Journal. 750 (1): 32. arXiv:1202.4464. Bibcode:2012ApJ...750...32G. doi:10.1088/0004-637X/750/1/32. ISSN 0004-637X. S2CID 118480768.
  8. ^ Fabian, A. C.; Sanders, J. S.; Haehnelt, M.; Rees, M. J.; Miller, J. M. (2013-02-01). "X-ray emission from the ultramassive black hole candidate NGC 1277: implications and speculations on its origin". Monthly Notices of the Royal Astronomical Society: Letters. 431 (1): L38–L42. arXiv:1301.1800. Bibcode:2013MNRAS.431L..38F. doi:10.1093/mnrasl/slt004. ISSN 1745-3933. S2CID 119195931.
  9. ^ Ferré-Mateu, Anna; Mezcua, Mar; Trujillo, Ignacio; Balcells, Marc; Bosch, Remco C. E. van den (2015-07-21). "Massive relic galaxies challenge the co-evolution of SMBHs and their host galaxies". The Astrophysical Journal. 808 (1): 79. arXiv:1506.02663. Bibcode:2015ApJ...808...79F. doi:10.1088/0004-637X/808/1/79. ISSN 1538-4357. S2CID 118777377.
  10. ^ Park, Songyoun; Yang, Jun; Oonk, J. B. Raymond; Paragi, Zsolt (2016-11-22). "Discovery of five low-luminosity active galactic nuclei at the centre of the Perseus cluster". Monthly Notices of the Royal Astronomical Society. 465 (4): 3943–3948. arXiv:1611.05986. Bibcode:2017MNRAS.465.3943P. doi:10.1093/mnras/stw3012. ISSN 0035-8711. S2CID 53538944.

External links

Wikimedia Commons has media related to NGC 1270.


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This page was last edited on 28 November 2023, at 11:41
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