NGC 4707

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NGC 4707
NGC 4707 - HST - Potw1651a.tif
NGC 4707, imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Constellation Canes Venatici
Right ascension 12h 48m 21.666s [1]
Declination +51° 09′ 53.81″ [1]
Redshift 0.001561 [2]
Heliocentric radial velocity 468 km/s [2]
Distance 22.11 ± 3.64  Mly (6.780 ± 1.116  Mpc) [2]
Apparent magnitude  (V)12.91 [2]
Apparent magnitude  (B)15.2 [3]
Absolute magnitude  (V)-16.23 [2]
Characteristics
Type Sm/Im [3]
Size16,100  ly (4,930  pc) [2]
Apparent size  (V)1.120′ × 1.045′ [3]
Other designations
UGC 7971, MCG+09-21-050, PGC 43255, DDO  150 [3]

NGC 4707 is an irregular galaxy in the constellation of Canes Venatici. It was discovered by John Herschel on 5 June 1834, [4] and was described by John Louis Emil Dreyer, the compiler of the New General Catalogue, as a "small, stellar" galaxy. [5]

Contents

NGC 4707 has a morphological type of Sm or Im, meaning that it is mostly irregular or has very weak spiral arms. [3] The galaxy was imaged by the Hubble Space Telescope in 2016. The image showed the galaxy had little to no signs of a central bulge or any prominent structures (typical of Magellanic-type spirals). However, the telescope could resolve many stars, as well as several turquoise-colored star forming regions. [6]

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<span class="mw-page-title-main">NGC 3642</span> Galaxy in the constellation Ursa Major

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<span class="mw-page-title-main">NGC 495</span> Galaxy in the constellation Pisces

NGC 495, also occasionally referred to as PGC 5037, UGC 920 or GC 278, is a barred spiral galaxy in the constellation Pisces. It is located approximately 184 million light-years from the Solar System and was discovered on 12 September 1784 by astronomer William Herschel.

<span class="mw-page-title-main">NGC 519</span> Elliptical galaxy in the constellation Cetus

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<span class="mw-page-title-main">NGC 521</span> Spiral galaxy in the constellation Cetus

NGC 521, also occasionally referred to as PGC 5190 or UGC 962, is a barred spiral galaxy located approximately 224 million light-years from the Solar System in the constellation Cetus. It was discovered on 8 October 1785 by astronomer William Herschel.

<span class="mw-page-title-main">NGC 522</span> Galaxy in the constellation Pisces

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<span class="mw-page-title-main">NGC 525</span> Galaxy in the constellation Pisces

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<span class="mw-page-title-main">NGC 4242</span> Galaxy in constellation Canes Venatici

NGC 4242 is a spiral galaxy in the northern constellation of Canes Venatici. The galaxy is about 18 million light years away. It was discovered on 10 April 1788 by William Herschel, and it was described as "very faint, considerably large, irregular, round, very gradually brighter in the middle, resolvable" by John Louis Emil Dreyer, the compiler of the New General Catalogue.

<span class="mw-page-title-main">NGC 2936</span> Interacting spiral galaxy in the constellation Hydra

NGC 2936 is an interacting spiral galaxy located at a distance of 326 million light years, in the constellation Hydra. NGC 2936 is interacting with elliptical galaxy NGC 2937, located just beneath it. They were both discovered by Albert Marth on Mar 3, 1864. To some astronomers, the galaxy looks like a penguin or a porpoise. NGC 2936, NGC 2937, and PGC 1237172 are included in the Atlas of Peculiar Galaxies as Arp 142 in the category "Galaxy triplet".

<span class="mw-page-title-main">NGC 4800</span> Galaxy in constellation Canes Venatici

NGC 4800 is an isolated spiral galaxy in the constellation Canes Venatici, located at a distance of 95 megalight-years from the Milky Way. It was discovered by William Herschel on April 1, 1788. The morphological classification of this galaxy is SA(rs)b, indicating a spiral galaxy with no visual bar at the nucleus (SA), an incomplete ring structure (rs), and moderately-tightly wound spiral arms (b). The galactic plane is inclined to the line of sight by an angle of 43°, and the long axis is oriented along a position angle of 25°. There is a weak bar structure at the nucleus that is visible in the infrared.

<span class="mw-page-title-main">NGC 4343</span> Unbarred spiral galaxy in the constellation of Virgo

NGC 4343 is an unbarred spiral galaxy in the constellation Virgo. It was discovered by the astronomer William Herschel on April 13, 1784. At a distance of 80 million light-years, it is located in the Virgo Cluster. It contains an active galactic nucleus.

References

  1. 1 2 Adelman-McCarthy, J. K.; et al. (2009). "VizieR Online Data Catalog: The SDSS Photometric Catalog, Release 7". VizieR On-line Data Catalog. Bibcode:2009yCat.2294....0A.
  2. 1 2 3 4 5 6 "NED results for object NGC 4707". National Aeronautics and Space Administration / Infrared Processing and Analysis Center . Retrieved 20 February 2017.
  3. 1 2 3 4 5 "NGC 4707". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 20 February 2017.
  4. ↑ Seligman, Courtney. "New General Catalogue objects: NGC 4700 - 4749". cseligman.com. Retrieved 20 February 2017.
  5. ↑ "NGC 4707 - SEDS" . Retrieved 20 February 2017.
  6. ↑ "Astro-pointillism | ESA/Hubble". www.spacetelescope.org. 2016. Retrieved 20 February 2017.


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