NGC 176

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NGC 176
NGC176-HST-R555GB450.jpg
Observation data (J2000 epoch)
Right ascension 00h 35m 57.9s [1]
Declination −73° 09′ 59″ [1]
Apparent magnitude  (V)13.01 [2]
Physical characteristics
Mass3.5×103 [3]   M☉
Estimated age130 Myr [3]
Other designations ESO 029-SC 002. [1]
Associations
See also: Open cluster, List of open clusters

NGC 176 is an open cluster around 3.5 million light-years away[ citation needed ] in the constellation Tucana. It is located within the Small Magellanic Cloud. [2] It was discovered on August 12, 1834, by John Herschel.

Contents

See also

Related Research Articles

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

Tucana is a constellation in the southern sky, named after the toucan, a South American bird. It is one of twelve constellations conceived in the late sixteenth century by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman. Tucana first appeared on a 35-centimetre-diameter (14 in) celestial globe published in 1598 in Amsterdam by Plancius and Jodocus Hondius and was depicted in Johann Bayer's star atlas Uranometria of 1603. French explorer and astronomer Nicolas Louis de Lacaille gave its stars Bayer designations in 1756. The constellations Tucana, Grus, Phoenix and Pavo are collectively known as the "Southern Birds".

NGC 290 is an open cluster of stars in the southern constellation of Tucana. This cluster was discovered September 5, 1826, by Scottish astronomer James Dunlop. It lies some 200,000 light years away from the Sun in the Small Magellanic Cloud galaxy. The cluster is an estimated 30–63 million years old and is around 65 light years across.

<span class="mw-page-title-main">NGC 362</span> Globular cluster located in the constellation Tucana

NGC 362 is a globular cluster located in the constellation Tucana in the Southern Hemisphere, slightly north of the Small Magellanic Cloud, to which it is completely unrelated. It was discovered on August 1, 1826, by James Dunlop. It is visible to the naked eye in dark skies, and is an impressive sight in a telescope, although it is somewhat overshadowed by its larger and brighter neighbour 47 Tucanae.

<span class="mw-page-title-main">NGC 339</span> Globular cluster in the Small Magellanic Cloud

NGC 339 is a globular cluster in the constellation Tucana the Toucan. It is located both visually and physically in the Small Magellanic Cloud, being only about 10,000 ± 12,000 light years closer than the cloud. It is rather prominent, being the brightest cluster in the southern reaches of the cloud. It was discovered by John Herschel on September 18, 1835. It was observed in 2005 by the Hubble Space Telescope. Its apparent V-band magnitude is 12.12, but at this wavelength, it has 0.19 magnitudes of interstellar extinction.

<span class="mw-page-title-main">NGC 152</span> Open cluster in the constellation Tucana

NGC 152 is an open cluster in the constellation Tucana. It was discovered by John Herschel on September 20, 1835. It is located within the Small Magellanic Cloud.

<span class="mw-page-title-main">NGC 220</span> Open cluster in the constellation Tucana

NGC 220 is an open cluster located approximately 210,000 light-years from the Sun in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on August 12, 1834 by John Herschel.

<span class="mw-page-title-main">NGC 222</span> Open cluster in the constellation Tucana

NGC 222 is an open cluster located approximately 210,000 light-years from the Sun in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on August 1, 1826 by James Dunlop.

<span class="mw-page-title-main">NGC 231</span> Open cluster in the constellation Tucana

NGC 231 is an open cluster in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on August 1, 1826 by James Dunlop.

<span class="mw-page-title-main">NGC 241</span> Open cluster in the constellation Tucana

NGC 241 is an open cluster located in the constellation Tucana. It is located within the Small Magellanic Cloud. It was discovered on April 11, 1834, by John Herschel.

<span class="mw-page-title-main">NGC 256</span> Open cluster in the constellation Tucana

NGC 256 is open cluster in the Tucana constellation. It was discovered by John Frederick William Herschel on April 11, 1834.

<span class="mw-page-title-main">NGC 294</span> Open star cluster in the constellation Tucana

NGC 294 is an open cluster located in the Small Magellanic Cloud in the constellation Tucana. It was discovered on April 11, 1834, by John Herschel, although it was possibly observed on September 5, 1826, by James Dunlop.

<span class="mw-page-title-main">NGC 299</span> Open star cluster in the constellation Tucana

NGC 299 is an open cluster of stars in the main body of the Small Magellanic Cloud – a nearby dwarf galaxy. It is located in the southern constellation of Tucana, just under 200,000 light years distant from the Sun. The cluster was discovered on August 12, 1834, by English astronomer John Herschel.

<span class="mw-page-title-main">NGC 306</span> Open star cluster in the constellation Tucana

NGC 306 is an open cluster in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on October 4, 1836, by John Herschel.

<span class="mw-page-title-main">NGC 330</span> Open star cluster in the constellation Tucana

NGC 330 is an open cluster in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on 1 August 1826 by James Dunlop. It was described by Dreyer as "a globular cluster, very bright, small, a little extended, stars from 13th to 15th magnitude." At an aperture of 31.0 arcseconds, the apparent V-band magnitude is 9.60, but at this wavelength, it also has 0.36 magnitudes of interstellar extinction.

<span class="mw-page-title-main">NGC 361</span> Open star cluster in the Small Magellanic Cloud

NGC 361 is an open cluster in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on September 6, 1826, by James Dunlop. It was described by Dreyer as "very very faint, pretty large, very little extended, very gradually brighter middle." At an aperture of 31.0 arcseconds, its apparent V-band magnitude is 12.24, but at this wavelength, it has 0.40 magnitudes of interstellar extinction.

<span class="mw-page-title-main">NGC 411</span> Globular cluster located in the constellation Tucana

NGC 411 is a globular cluster located approximately 55,000 pc (180,000 ly) from Earth in the constellation Tucana. It was discovered in 1826 by James Dunlop. It was described by Dreyer as "extremely faint, pretty large, round, gradually very little brighter middle". At a distance of about 180,000 light years (55,000 parsecs), it is located within the Small Magellanic Cloud. It has a mass of about 3.0×104 M☉, and a luminosity of about 8.0×104 L☉.

<span class="mw-page-title-main">NGC 416</span> Globular cluster located in the constellation Tucana

NGC 416 is a globular cluster located in the constellation Tucana. It was discovered on September 5, 1826, by James Dunlop. It was described by Dreyer as "faint, pretty small, round, gradually brighter middle". At a distance of about 199,000 ± 9,800 ly (61,000 ± 3,000 pc), it is located within the Small Magellanic Cloud. At an aperture of 31 arcseconds, its apparent V-band magnitude is 11.42, but at this wavelength, it has 0.25 magnitudes of interstellar extinction.

<span class="mw-page-title-main">NGC 419</span> Globular cluster located in the constellation Tucana

NGC 419 is a globular cluster located approximately 57,000 pc (190,000 ly) from Earth in the constellation Tucana. It was discovered on September 2, 1826, by James Dunlop. It was described by Dreyer as "pretty large, pretty bright, round, gradually brighter middle". At a distance of about 186,000 light years, it is located within the Small Magellanic Cloud. At an aperture of 50 arcseconds, its apparent V-band magnitude is 10.30, but at this wavelength, it has 0.15 magnitudes of interstellar extinction.

<span class="mw-page-title-main">NGC 458</span> Open cluster located in the constellation Tucana

NGC 458 is an open cluster located in the constellation Tucana. It was discovered on September 6, 1826, by James Dunlop. It was also observed by John Herschel and DeLisle Stewart. It was described by Dreyer as "pretty faint, large, round, very gradually brighter middle". It was also noted in the second Index Catalogue that it was "probably a cluster, extremely small, close, no nebulosity seen by D.S. ." At an aperture of 31 arcseconds, its apparent V-band magnitude is 11.73, but at this wavelength, it has 0.12 magnitudes of interstellar extinction.

<span class="mw-page-title-main">NGC 465</span> Open cluster in the constellation Tucana

NGC 465 is an open cluster in the Magellanic Clouds. Being part of the Tucana constellation, it was discovered by Scottish astronomer James Dunlop in 1826.

References

  1. 1 2 3 "NASA/IPAC Extragalactic Database". Results for NGC 0176. Retrieved 2016-09-02.
  2. 1 2 "NGC 176". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2021-12-24.
  3. 1 2 Gatto, M.; Ripepi, V.; Bellazzini, M.; Tosi, M.; Cignoni, M.; Tortora, C.; Leccia, S.; Clementini, G.; Grebel, E. K.; Longo, G.; Marconi, M.; Musella, I. (2021). "STEP survey – II. Structural analysis of 170 star clusters in the SMC". Monthly Notices of the Royal Astronomical Society. 507 (3): 3312–3330. arXiv: 2108.02791 . doi: 10.1093/mnras/stab2297 .
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