NGC 502

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NGC 502
NGC502 - SDSS DR14.jpg
SDSS view of NGC 502
Observation data (J2000 [1] epoch)
Constellation Pisces [2]
Right ascension 01h 22m 55.5s [3]
Declination +09° 02′ 57″ [3]
Redshift 0.008279 ± 0.000163 [1]
Heliocentric radial velocity (2472 ± 49) km/s [1]
Distance 113 Mly [4]
Apparent magnitude  (V)12.7 [2]
Apparent magnitude  (B)13.7 [2]
Characteristics
Type S0 [2]
Apparent size  (V)1.1' × 1.0' [2]
Other designations
GC  293, 2MASS J01225553+0902570, UGC 922, PGC 5034 [1] [5]

NGC 502, also occasionally referred to as PGC 5034 or UGC 922, is a lenticular galaxy in the constellation Pisces. [2] It is located approximately 113 million light-years from the Solar System [4] and was discovered on 25 September 1862 by German astronomer Heinrich Louis d'Arrest. [5] When the Morphological Catalogue of Galaxies was published between 1962 and 1974, the identifications of NGC 502 and NGC 505 were reversed. In reality, NGC 502 is equal to MGC +01-04-041 and not MCG +01-04-043 as noted in the catalogue. [6]

Contents

Observation history

Arrest discovered NGC 502 using an 11" reflecting telescope in Copenhagen. His position, which he measured on four separate nights, matches with both UGC 922 and PGC 5034. [6] John Louis Emil Dreyer, creator of the New General Catalogue, described the galaxy as "considerably bright, small, round, brighter middle and nucleus". [5]

NGC 502 (SDSS) NGC 0502 SDSS.jpg
NGC 502 (SDSS)

See also

Related Research Articles

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

NGC 522, also occasionally referred to as PGC 5218 or UGC 970, is a spiral galaxy located approximately 122 million light-years from the Solar System in the constellation Pisces. It was discovered on 25 September 1862 by astronomer Heinrich Louis d'Arrest.

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

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References

  1. 1 2 3 4 "NGC 502" . Retrieved 2017-12-09.
  2. 1 2 3 4 5 6 "Revised NGC Data for NGC 502". spider.seds.org. Retrieved 2017-10-05.
  3. 1 2 "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-10-05.
  4. 1 2 An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho
  5. 1 2 3 "New General Catalog Objects: NGC 500 - 549". cseligman.com. Retrieved 2017-10-16.
  6. 1 2 "astronomy-mall.com/Adventures.In.Deep.Space/NGC%201-7840%20complete.htm".


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