NGC 4611

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NGC 4611
NGC4611 - SDSS DR14.jpg
The intermediate spiral galaxy NGC 4611
Observation data (J2000 epoch)
Constellation Coma Berenices
Right ascension 12h 41m 25.4331s [1]
Declination +13° 43 46.198 [1]
Redshift 0.020404 [1]
Heliocentric radial velocity 6117 ± 1 km/s [1]
Distance 309.7 ± 21.7  Mly (94.94 ± 6.65  Mpc) [1]
Apparent magnitude  (V)14.3 [1]
Characteristics
Type Sbc C [1]
Size~130,100  ly (39.89  kpc) (estimated) [1]
Apparent size  (V)1.2' x 0.2' [1]
Other designations
IRAS F12389+1400, 2MASX J12412541+1343458, IC 805, UGC 7849, MCG +02-32-179, PGC 42564 [1]

NGC 4611 is a intermediate spiral galaxy in the constellation of Coma Berenices. Its velocity with respect to the cosmic microwave background is 6,437 ± 22 km/s, which corresponds to a Hubble distance of 94.9 ± 6.7  Mpc (∼310 million light-years). [1] It was discovered by French astronomer Édouard Stephan on 17 May 1881. [2] This galaxy was also observed by the American astronomer Lewis Swift on 20 April 1889, and listed in the Index Catalogue as IC 805. [2]

Contents

According to the SIMBAD database, NGC 4611 is an Active Galaxy Nucleus Candidate, i.e. it has a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars. [3]

Supernova

One supernova has been observed in NGC 4611: SN 2023dtz (type Ia, mag. 18.1) was discovered by ATLAS on 21 March 2023. [4]

See also

Related Research Articles

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<span class="mw-page-title-main">NGC 662</span> Galaxy in the constellation Andromeda

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<span class="mw-page-title-main">NGC 6008</span> Galaxy in the constellation Serpens

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<span class="mw-page-title-main">NGC 2708</span> Galaxy in the constellation Hydra

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<span class="mw-page-title-main">NGC 2804</span> Galaxy in the constellation Cancer

NGC 2804 is a lenticular galaxy in the constellation of Cancer. Its velocity with respect to the cosmic microwave background is 8580 ± 20 km/s, which corresponds to a Hubble distance of 126.55 ± 8.86 Mpc. It was discovered by British astronomer John Herschel on 24 February 1827. This galaxy was also observed by the French astronomer Stéphane Javelle on 9 April 1896, and was later added to the Index Catalogue as IC 2455.

<span class="mw-page-title-main">NGC 5876</span> Galaxy in the constellation Boötes

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<span class="mw-page-title-main">NGC 5162</span> Galaxy in the constellation Virgo

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<span class="mw-page-title-main">NGC 6492</span> Galaxy in the constellation Pavo

NGC 6492 is a spiral galaxy in the constellation of Pavo. Its velocity with respect to the cosmic microwave background is 4351 ± 8 km/s, which corresponds to a Hubble distance of 209.3 ± 14.6 Mly (64.17 ± 4.49 Mpc). In addition, five non redshift measurements give a distance of 183.10 ± 12.28 Mly (56.140 ± 3.766 Mpc). The galaxy was discovered by British astronomer John Herschel on 22 July 1835.

<span class="mw-page-title-main">NGC 4246</span> Galaxy in the constellation Virgo

NGC 4246 is a spiral galaxy in the constellation of Virgo. Its velocity with respect to the cosmic microwave background is 4064 ± 24 km/s, which corresponds to a Hubble distance of 195.5 ± 13.7 Mly (59.94 ± 4.21 Mpc). However, 20 non-redshift measurements give a distance of 172.01 ± 10.57 Mly (52.740 ± 3.241 Mpc). It was discovered by German-British astronomer William Herschel on 13 April 1784. It was also observed by German astronomer Arnold Schwassmann on 30 October 1899 and listed in the Index Catalogue as IC 3113.

<span class="mw-page-title-main">NGC 4495</span> Galaxy in the constellation Coma Berenices

NGC 4495 is a spiral galaxy in the constellation of Coma Berenices. Its velocity with respect to the cosmic microwave background is 4850 ± 20 km/s, which corresponds to a Hubble distance of 233.3 ± 16.4 Mly (71.54 ± 5.02 Mpc). Additionally, 31 non-redshift measurements give a distance of 223.50 ± 3.58 Mly (68.526 ± 1.099 Mpc). It was discovered by German-British astronomer William Herschel on 13 March 1785.

References

  1. 1 2 3 4 5 6 7 8 9 10 11 "Results for object NGC 4611". NASA/IPAC Extragalactic Database. NASA and Caltech . Retrieved 23 July 2024.
  2. 1 2 Seligman, Courtney. "New General Catalogue Objects: NGC 4611". Celestial Atlas. Retrieved 13 December 2024.
  3. "NGC 4611". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 13 December 2024.
  4. "SN 2023dtz". Transient Name Server. IAU . Retrieved 13 December 2024.