NGC 1317

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NGC 1317
The contrasting galaxies NGC 1316 and 1317.jpg
The contrasting galaxies NGC 1316 and 1317
Observation data (J2000 epoch)
Constellation Fornax
Right ascension 03h 38.5m [1]
Declination −35° 27′ [1]
Distance from 17 megaparsecs (55 Mly)
to 26.9 megaparsecs (88 Mly)
Apparent magnitude  (V)11.0 [1]
Characteristics
Type SBa [1]
Apparent size  (V)2.8′ × 2.4′ [1] (55,000 light-years in diameter)
Notable featuresLarge uncertain of distance
Other designations
ESO 357-23, IRAS 03208-3716, MCG -6-8-6, NGC 1318 and PGC 12653

NGC 1317 (also known as NGC 1318) is a barred spiral galaxy in the constellation Fornax, in the Fornax cluster. It was discovered by Julius Schmidt on January 19, 1865. It appears to be interacting with the much larger NGC 1316, but uncertainty in distance estimates and scales of tidal distortions make this uncertain. It is a member of the NGC 1316 subgroup, part of the Fornax Cluster. Its size is 2.8' x 2.4' which, at the average distance, gives a diameter of 55,000 light-years.

Contents

Distance estimates

NGC 1317's central region by HST NGC 1317.png
NGC 1317's central region by HST

NGC 1317 has an uncertain distance. Based on redshift, the distance is 55.1 million light-years, but some other methods estimate a distance as large as 88.4 million light-years. The distance of this galaxy is therefore somewhere between 55 and 88 Mly, but its true distance is unknown. [2] The average distance between the two estimates is around 70 million light-years, which means NGC 1317 is also in the Fornax Cluster.

Related Research Articles

<span class="mw-page-title-main">Fornax</span> Constellation in the southern celestial hemisphere

Fornax is a constellation in the southern celestial hemisphere, partly ringed by the celestial river Eridanus. Its name is Latin for furnace. It was named by French astronomer Nicolas Louis de Lacaille in 1756. Fornax is one of the 88 modern constellations.

<span class="mw-page-title-main">Fornax Cluster</span> Galaxy cluster in the constellation Fornax

The Fornax Cluster is a cluster of galaxies lying at a distance of 19 megaparsecs (62 million light-years). It has an estimated mass of (7±2)×1013 solar masses, making it the second richest galaxy cluster within 100 million light-years, after the considerably larger Virgo Cluster. It may be associated with the nearby Eridanus Group. It lies primarily in the constellation Fornax, with its southern boundaries partially crossing into the constellation of Eridanus, and covers an area of sky about 6° across or about 28 sq degrees.

<span class="mw-page-title-main">NGC 1316</span> Lenticular radio galaxy in the constellation Fornax

NGC 1316 is a lenticular galaxy about 60 million light-years away in the constellation Fornax. It is a radio galaxy and at 1400 MHz is the fourth-brightest radio source in the sky.

<span class="mw-page-title-main">NGC 1427A</span> Galaxy in the constellation Fornax

NGC 1427A is an irregular galaxy in the constellation Fornax. Its distance modulus has been estimated using the globular cluster luminosity function to be 31.01 ± 0.21 which is about 52 Mly. It is the brightest dwarf irregular member of the Fornax cluster and is in the foreground of the cluster's central galaxy NGC 1399.

<span class="mw-page-title-main">NGC 1350</span> Spiral galaxy in the constellation Fornax

NGC 1350 is a spiral galaxy located 87 million light years away in the southern constellation Fornax.

<span class="mw-page-title-main">NGC 1399</span> Elliptical galaxy in the Fornax Cluster

NGC 1399 is a large elliptical galaxy in the Southern constellation Fornax, the central galaxy in the Fornax Cluster. The galaxy is 66 million light-years away from Earth. With a diameter of 130 000 light-years, it is one of the largest galaxies in the Fornax Cluster and slightly larger than the Milky Way. William Herschel discovered this galaxy on October 22, 1835.

<span class="mw-page-title-main">NGC 1404</span> Elliptical galaxy in the Fornax Cluster

NGC 1404 is an elliptical galaxy in the Southern constellation Eridanus. It was discovered on November 28, 1837, by the astronomer John Herschel. Based on the tip of the red-giant branch distance indicator, it lies at a distance of approximately 60 million light-years from the Milky Way. It is one of the brightest members of the Fornax Cluster.

<span class="mw-page-title-main">NGC 1380</span> Galaxy in the constellation Fornax

NGC 1380 is a lenticular galaxy located in the constellation Fornax. It is located at a distance of circa 60 million light years from Earth, which, given its apparent dimensions, means that NGC 1380 is about 85,000 light years across. It was discovered by James Dunlop on September 2, 1826. It is a member of the Fornax Cluster.

<span class="mw-page-title-main">NGC 1381</span> Galaxy in the constellation Fornax

NGC 1381 is a lenticular galaxy located in the constellation Fornax. It is located at a distance of about 60 million light years from Earth, which, given its apparent dimensions, means that NGC 1381 is about 55,000 light years across. It is a member of the Fornax Cluster. NGC 1381 appears edge-on and features a thin disk with high surface brightness and a boxy bulge. Both the box-shaped bulge and the kinematics of the central area of the galaxy suggest that NGC 1381 has a bar.

<span class="mw-page-title-main">NGC 1387</span> Galaxy in the constellation Fornax

NGC 1387 is a lenticular galaxy in the constellation Fornax, in the Fornax Cluster. It was discovered by William Herschel on December 25, 1835.

<span class="mw-page-title-main">NGC 1374</span> Galaxy in the constellation Fornax

NGC 1374 is a low-luminosity elliptical galaxy in the southern constellation Fornax. It was discovered by John Herschel on November 29, 1837.

<span class="mw-page-title-main">NGC 1375</span> Galaxy in the constellation Fornax

NGC 1375 is a barred lenticular galaxy in the constellation Fornax discovered by John Herschel on November 29, 1837. It is believed to be a member of the Fornax Cluster.

<span class="mw-page-title-main">NGC 4318</span> Galaxy in the constellation Virgo

NGC 4318 is a small lenticular galaxy located about 72 million light-years away in the constellation Virgo. It was discovered by astronomer John Herschel on January 18, 1828. NGC 4318 is a member of the Virgo W′ group, a group of galaxies in the background of the Virgo Cluster that is centered on the giant elliptical galaxy NGC 4365.

<span class="mw-page-title-main">NGC 1460</span> Galaxy in the constellation Eridanus

NGC 1460 is a barred lenticular galaxy in the constellation Eridanus. It was discovered by John Herschel on November 28, 1837. It is moving away from the Milky Way at 1341 km/s.

<span class="mw-page-title-main">IC 1993</span> Galaxy in the constellation Fornax

IC 1993 is an intermediate spiral galaxy in the constellation Fornax. It was discovered by Lewis Swift on November 19, 1897. At a distance of about 50 million light-years, and redshift of 1057 km/s, it is one of the closest to us of the 200 galaxies in the Fornax Cluster.

<span class="mw-page-title-main">NGC 1379</span> Galaxy in the constellation Fornax

NGC 1379 is a low-luminosity elliptical galaxy in the southern constellation Fornax. It was discovered by William Herschel on December 25, 1835.

<span class="mw-page-title-main">NGC 1406</span> Galaxy in the constellation Fornax

NGC 1406 is almost edge-on barred spiral galaxy in constellation Fornax. It was discovered by John Herschel on 18 November 1835.

<span class="mw-page-title-main">NGC 1351</span> Elliptical galaxy in the Fornax Cluster

NGC 1351 is an elliptical galaxy in the constellation Fornax. Based on the redshift, its distance from Earth is 69.5 million light years. It is elongated in shape, and was discovered by William Herschel on October 19, 1835.

<span class="mw-page-title-main">NGC 1484</span> Spiral galaxy in the constellation Eridanus

NGC 1484 is a barred spiral galaxy in the constellation Eridanus, 48 million light-years from Earth. It is part of the Fornax Cluster, that contains approximately 200 galaxies, making it the second richest galaxy cluster in 100 million light-years after the Virgo Cluster.

<span class="mw-page-title-main">NGC 1428</span> Elliptical galaxy in the Fornax Cluster

NGC 1428 is an elliptical galaxy in the constellation Fornax, 75 million light years from Earth. It is a member of the Fornax Cluster. Its diameter is 24,000 light years.

References

  1. 1 2 3 4 5 Dunlop, Storm (2005). Atlas of the Night Sky. Collins. ISBN   978-0-00-717223-8.
  2. ↑ "NED Search Results Regarding NGC 1317". ned.ipac.caltech.edu.
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