NGC 5112

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NGC 5112
NGC 5112 hst 09042 R814G606B450.png
NGC 5112 imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Constellation Canes Venatici
Right ascension 13h 21m 56.4s [1]
Declination +38° 44′ 05″ [1]
Redshift 0.003219 [1]
Heliocentric radial velocity 965 ± 9 km/s [1]
Distance 62 ± 3 Mly
(19.1 ± 1 Mpc) [2]
Apparent magnitude  (V)14.2 [1]
Characteristics
Type SB(rs)cd [1]
Apparent size  (V)4.0′ × 2.8′ [1]
Other designations
IRAS 13196+3859, UGC 8403, MCG +07-28-003, PGC 46671, CGCG 218-005 [1]

NGC 5112 is a barred spiral galaxy in the constellation Canes Venatici. It was discovered on 17 March 1787 by German-British astronomer William Herschel. [3] This galaxy is in close physical proximity to the edge-on dwarf spiral NGC 5107.

Contents

On 4 March 2015, a supernova candidate was discovered in NGC 5112, and designated PSN J13215756+3843229. Spectral analysis suggested that it was instead a supernova imposter, possibly an outburst from a luminous blue variable. [4]

NGC 5005 Group

According to A. M. Garcia, NGC 5112 is part of the NGC 5005 group (also known as LGG 334). This group of galaxies contains at least 16 members. The other galaxies in the group are: NGC 4861, NGC 5002, NGC 5005, NGC 5014, NGC 5033, NGC 5107, IC 4182, IC 4213, UGC 8181, UGC 8246, UGC 8261, UGC 8303, UGC 8314, UGC 8315, and UGC 8323. [5]

See also

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<span class="mw-page-title-main">NGC 735</span> Galaxy in the constellation Triangulum

NGC 735 is a spiral galaxy in the constellation of Triangulum. Its velocity with respect to the cosmic microwave background is 4374 ± 18 km/s, which corresponds to a Hubble distance of 210.4 ± 14.7 Mly (64.52 ± 4.52 Mpc). In addition, eight non redshift measurements give a distance of 227.21 ± 7.99 Mly (69.662 ± 2.449 Mpc). The galaxy was discovered by German-British astronomer William Herschel on 13 September 1784).

<span class="mw-page-title-main">NGC 1233</span> Galaxy in the constellation Perseus

NGC 1233 is a spiral galaxy in the constellation of Perseus. Its velocity with respect to the cosmic microwave background is 4218 ± 14 km/s, which corresponds to a Hubble distance of 202.9 ± 14.2 Mly (62.22 ± 4.36 Mpc). In addition, three non redshift measurements give a distance of 211.35 ± 2.14 Mly (64.800 ± 0.656 Mpc). The galaxy was discovered by French astronomer Édouard Stephan on 10 December 1871. It is also thought to have been observed by Lewis Swift on 21 October 1886, and later listed as NGC 1235.

References

  1. 1 2 3 4 5 6 7 8 "NASA/IPAC Extragalactic Database". Results for NGC 5112. Retrieved 2007-04-03.
  2. ↑ "Distance Results for NGC 5112". NASA/IPAC Extragalactic Database. Retrieved 2010-05-14.
  3. ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 5112". Celestial Atlas. Retrieved 29 August 2024.
  4. ↑ Fox, Derek (14 March 2015). "Spectroscopic classification of PSN J13215756+3843229 in NGC 5112 at the Nordic Optical Telescope". The Astronomer's Telegram. Retrieved 1 September 2024.
  5. ↑ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.
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