NGC 504

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NGC 504
NGC504 - SDSS DR14.jpg
SDSS view of NGC 504
Observation data (J2000 [1] epoch)
Constellation Pisces [2]
Right ascension 01h 23m 27.9s [3]
Declination +33° 12′ 16″ [3]
Redshift 0.014096 ± 0.000270 [1]
Heliocentric radial velocity (4196 ± 81) km/s [1]
Distance 189 Mly [4]
Apparent magnitude  (V)13.0 [2]
Apparent magnitude  (B)14.0 [2]
Characteristics
Type S0 [2]
Apparent size  (V)1.7' × 0.4' [2]
Other designations
PGC 5084, UGC 935, GC 291, GC 292, MGC +05-04-041, 2MASS J01232787+3312152, h 107 [1] [5]

NGC 504, also occasionally referred to as PGC 5084 or UGC 935, is a lenticular galaxy located approximately 189 million light-years from the Solar System [4] in the constellation Pisces. [2] It was discovered on 22 November 1827 by astronomer John Herschel. The object was listed twice in the General Catalogue, precursor of the New General Catalogue, as both GC 291 and GC 292. [5]

Contents

Observation history

Herschel discovered the object without recording a visual description. However, he noted the nebula "precedes NGC 507 by about 10 seconds and is half a field to the south of it". NGC 504 was later also independently discovered by Heinrich d'Arrest, using an 11" reflecting telescope in Copenhagen and assuming the object was new. This led to Herschel cataloguing the two observations separately as GC 291 and GC 292. [6] The objects were later combined by John Louis Emil Dreyer with the creation of the New General Catalogue, in which the galaxy was described as "very faint, small". [5]

See also

Related Research Articles

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<span class="mw-page-title-main">NGC 485</span> Spiral galaxy in the constellation Pisces

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<span class="mw-page-title-main">NGC 499</span> Galaxy in the constellation Pisces

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<span class="mw-page-title-main">NGC 501</span> Elliptical galaxy in the constellation Pisces

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<span class="mw-page-title-main">NGC 502</span> Lenticular galaxy in the constellation Pisces

NGC 502, also occasionally referred to as PGC 5034 or UGC 922, is a lenticular galaxy in the constellation Pisces. It is located approximately 113 million light-years from the Solar System and was discovered on 25 September 1862 by German astronomer Heinrich Louis d'Arrest. 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.

<span class="mw-page-title-main">NGC 503</span> Elliptical galaxy in the constellation Pisces

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<span class="mw-page-title-main">NGC 513</span> Galaxy in the constellation Andromeda

NGC 513, also occasionally referred to as PGC 5174 or UGC 953, is a spiral galaxy in the constellation Andromeda. It is located approximately 262 million light-years from the Solar System and was discovered on 13 September 1784 by astronomer William Herschel.

<span class="mw-page-title-main">NGC 515</span> Galaxy in the constellation Pisces

NGC 515, also occasionally referred to as PGC 5201 or UGC 956, is a lenticular galaxy located approximately 228 million light-years from the Solar System in the constellation Pisces. It was discovered on 13 September 1784 by astronomer William Herschel.

<span class="mw-page-title-main">NGC 517</span> Lenticular galaxy in the constellation Pisces

NGC 517, also occasionally referred to as PGC 5214 or UGC 960, is a lenticular galaxy located approximately 188 million light-years from the Solar System in the constellation Pisces. It was discovered on 13 September 1784 by astronomer William Herschel.

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

NGC 525, also occasionally referred to as PGC 5232 or UGC 972, is a lenticular galaxy located approximately 95.6 million light-years from the Solar System in the constellation Pisces. It was discovered on 25 September 1862 by astronomer Heinrich d'Arrest.

<span class="mw-page-title-main">NGC 527</span> Galaxy in the constellation Sculptor

NGC 527, also occasionally referred to as PGC 5128 or PGC 5141, is a lenticular galaxy located approximately 259 million light-years from the Solar System in the constellation Sculptor. It was discovered on 1 September 1834 by astronomer John Herschel.

References

  1. 1 2 3 4 "NGC 504" . Retrieved 2017-12-09.
  2. 1 2 3 4 5 6 "Revised NGC Data for NGC 504". 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. ↑ "astronomy-mall.com/Adventures.In.Deep.Space/NGC%201-7840%20complete.htm".


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