NGC 3840

Last updated
NGC 3840
SDSS NGC 3840.jpg
SDSS image of NGC 3840
Observation data (J2000 epoch)
Constellation Leo
Right ascension 11h 43m 58.9s [1]
Declination 20° 04′ 37″ [1]
Redshift 0.024590 [1]
Helio radial velocity 7372 km/s [1]
Distance 318  Mly (97.5  Mpc) [1]
Group or cluster Leo Cluster
Apparent magnitude  (V)14.54 [1]
Characteristics
Type Sa [1]
Size~105,400  ly (32.32  kpc) (estimated) [1]
Apparent size  (V)1.1 x 0.8 [1]
Other designations
CGCG 97-91, IRAS 11413+2021, MCG 3-30-70, PGC 36477, UGC 6702 [1]

NGC 3840 is a spiral galaxy [2] located about 320 million light-years away [3] in the constellation Leo. [4] The galaxy was discovered by astronomer Heinrich d'Arrest on May 8, 1864. [5] NGC 3840 is a member of the Leo Cluster. [6] [7] [8] The galaxy is rich in neutral atomic hydrogen (H I) and is not interacting with its environment. [9]

Contents

NGC 3840 is likely to be a low-luminosity AGN (LLAGN). [10]

See also

Related Research Articles

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<span class="mw-page-title-main">NGC 6040</span> Spiral galaxy in the constellation Hercules

NGC 6040 is a spiral galaxy located about 550 million light-years away in the constellation Hercules. NGC 6040 was discovered by astronomer Édouard Stephan on June 27, 1870. NGC 6040 is interacting with the lenticular galaxy PGC 56942. As a result of this interaction, NGC 6040's southern spiral arm has been warped in the direction toward PGC 56942. NGC 6040 and PGC 56942 are both members of the Hercules Cluster.

<span class="mw-page-title-main">NGC 3816</span> Lenticular galaxy in the constellation Leo

NGC 3816 is a lenticular galaxy located about 270 million light-years away in the constellation Leo. It was discovered by astronomer Heinrich d'Arrest on May 9, 1864. NGC 3816 is a member of the Leo Cluster.

<span class="mw-page-title-main">NGC 3821</span> Spiral galaxy in the constellation Leo

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<span class="mw-page-title-main">NGC 3837</span> Elliptical galaxy in the constellation Leo

NGC 3837 is an elliptical galaxy located about 290 million light-years away in the constellation Leo. It was discovered by astronomer William Herschel on April 26, 1785. NGC 3837 is a member of the Leo Cluster.

<span class="mw-page-title-main">NGC 3844</span> Lenticular galaxy in the constellation Leo

NGC 3844 is a lenticular galaxy located about 320 million light-years away in the constellation Leo. The galaxy was discovered by astronomer Heinrich d'Arrest on May 8, 1864. NGC 3844 is a member of the Leo Cluster and is likely to be a low-luminosity AGN (LLAGN).

<span class="mw-page-title-main">NGC 3845</span> Barred lenticular galaxy in the constellation Leo

NGC 3845 is a barred lenticular galaxy located about 270 million light-years away in the constellation Leo. NGC 3845 was discovered by astronomer John Herschel on March 17, 1831. It is a member of the Leo Cluster and is likely to be a low-luminosity AGN (LLAGN).

<span class="mw-page-title-main">NGC 3860</span> Spiral galaxy in the constellation Leo

NGC 3860 is a spiral galaxy located about 340 million light-years away in the constellation Leo. NGC 3860 was discovered by astronomer William Herschel on April 27, 1785. The galaxy is a member of the Leo Cluster and is a low-luminosity AGN (LLAGN). Gavazzi et al. however classified NGC 3860 as a strong AGN which may have been triggered by a supermassive black hole in the center of the galaxy.

<span class="mw-page-title-main">NGC 3861</span> Barred spiral galaxy in the constellation Leo

NGC 3861 is a large barred spiral galaxy with a ring-like structure located about 310 million light-years away in the constellation Leo. It was discovered by astronomer John Herschel on March 23, 1827. NGC 3861 is a member of the Leo Cluster and has a normal amount of neutral hydrogen and ionised hydrogen.

<span class="mw-page-title-main">NGC 3867</span> Spiral galaxy in the constellation Leo

NGC 3867 is a spiral galaxy located about 350 million light-years away in the constellation Leo. It was discovered by astronomer Édouard Stephan on March 23, 1884 and is a member of the Leo Cluster.

<span class="mw-page-title-main">NGC 3875</span> Lenticular galaxy in the constellation Leo

NGC 3875 is a lenticular galaxy located about 325 million light-years away in the constellation Leo. It was discovered by astronomer William Herschel on April 27, 1785 and is a member of the Leo Cluster.

<span class="mw-page-title-main">NGC 3883</span> Spiral galaxy in the constellation Leo

NGC 3883 is a large low surface brightness spiral galaxy located about 330 million light-years away in the constellation Leo. NGC 3883 has a prominent bulge but does not host an AGN. The galaxy also has flocculent spiral arms in its disk. It was discovered by astronomer William Herschel on April 13, 1785 and is a member of the Leo Cluster.

<span class="mw-page-title-main">NGC 3884</span> Spiral galaxy in the constellation Leo

NGC 3884 is a spiral galaxy located about 330 million light-years away in the constellation Leo. The galaxy was discovered by astronomer William Herschel on April 27, 1785 and is a member of the Leo Cluster.

<span class="mw-page-title-main">NGC 4222</span> Edge-on spiral galaxy in the constellation Coma Berenices

NGC 4222 is an edge-on spiral galaxy located about 60 million light-years away in the constellation Coma Berenices. It was discovered by astronomer William Herschel on April 8, 1784 and is often misidentified as IC 3087. NGC 4222 is a member of the Virgo Cluster and is a companion of NGC 4216 which lies about 180,000 ly (56 kpc) away. Despite this, the two galaxies are not interacting.

<span class="mw-page-title-main">NGC 4237</span> Flocculent spiral galaxy in the constellation Coma Berenices

NGC 4237 is a flocculent spiral galaxy located about 60 million light-years away in the constellation Coma Berenices. The galaxy was discovered by astronomer William Herschel on December 30, 1783 and is a member of the Virgo Cluster. It is also classified as a LINER galaxy and as a Seyfert galaxy.

<span class="mw-page-title-main">NGC 714</span> Lenticular galaxy in constellation Andromeda

NGC 714 is a lenticular galaxy located 190 million light-years away in the constellation Andromeda. The galaxy was discovered by astronomer Bindon Blood Stoney on October 28, 1850 and is a member of Abell 262.

<span class="mw-page-title-main">NGC 4092</span> Spiral galaxy in the constellation Coma Berenices

NGC 4092 is a spiral galaxy located 310 million light-years away in the constellation Coma Berenices. It was discovered by astronomer Heinrich d'Arrest on May 2, 1864. NGC 4092 is a member of the NGC 4065 Group and hosts an AGN.

<span class="mw-page-title-main">NGC 4299</span> Relatively featureless spiral galaxy in the constellation Virgo

NGC 4299 is a featureless spiral galaxy located about 55 million light-years away in the constellation Virgo. It was discovered by astronomer William Herschel on March 15, 1784 and is a member of the Virgo Cluster.

<span class="mw-page-title-main">NGC 4307</span> Spiral galaxy in the constellation Virgo

NGC 4307 is an edge-on spiral galaxy located about 65 million light-years away in the constellation Virgo. It was discovered by astronomer Christian Peters in 1881 and is a member of the Virgo Cluster. It is also a LINER galaxy.

<span class="mw-page-title-main">NGC 3937</span> Elliptical or lenticular galaxy in the constellation Leo

NGC 3937 is an elliptical or a lenticular galaxy located about 310 million light-years away in the constellation Leo. It was discovered by astronomer William Herschel on April 27, 1785 and is classified as a radio galaxy.

References

  1. 1 2 3 4 5 6 7 8 9 10 "NASA/IPAC Extragalactic Database". Results for NGC 3840. Retrieved 2018-07-12.
  2. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2018-07-12.
  3. ↑ "NED Query Results for NGC 3840". ned.ipac.caltech.edu. Retrieved 2018-07-12.
  4. ↑ "Revised NGC Data for NGC 3840". spider.seds.org. Retrieved 2018-07-12.
  5. ↑ "New General Catalog Objects: NGC 3800 - 3849". cseligman.com. Retrieved 2018-07-09.
  6. ↑ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2018-07-12.
  7. ↑ "NGC 3840" . Retrieved 2018-07-12.
  8. ↑ "Hierarchy catalogue". leda.univ-lyon1.fr. Retrieved 2018-07-12.
  9. ↑ Scott, T. C.; Bravo-Alfaro, H.; Brinks, E.; Caretta, C. A.; Cortese, L.; Boselli, A.; Hardcastle, M. J.; Croston, J. H.; Plauchu, I. (2010-04-11). "Probing evolutionary mechanisms in galaxy clusters: neutral atomic hydrogen in Abell 1367". Monthly Notices of the Royal Astronomical Society. 403 (3): 1175–1192. arXiv: 1001.3900 . Bibcode:2010MNRAS.403.1175S. doi:10.1111/j.1365-2966.2009.16204.x. ISSN   0035-8711. S2CID   17147621.
  10. ↑ Sun, M.; Vikhlinin, A.; Forman, W.; Jones, C.; Murray, S. S. (2005). "The Survival and Destruction of X-Ray Coronae of Early-Type Galaxies in Rich Cluster Environments: A Case Study of A1367". The Astrophysical Journal. 619 (1): 169–177. arXiv: astro-ph/0408425 . Bibcode:2005ApJ...619..169S. doi:10.1086/425298. ISSN   0004-637X. S2CID   16811452.


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