NGC 3532

Last updated
NGC 3532
Eso1439a.jpg
Observation data (J2000 epoch)
Right ascension 11h 05m 33s [1]
Declination −58° 43.8′ [1]
Distance 1,321 [2] ly (405 pc)
Physical characteristics
Other designations NGC 3532, [1] Caldwell 91, Cr 238, Mel 103, C 1104-584, Cl* 1104-584, CL 1104-584, Lacaille II.10, [3] Football Cluster, Wishing Well Cluster [4] [5] [6] [7]
Associations
Constellation Carina
See also: Open cluster, List of open clusters

NGC 3532 (Caldwell 91), [8] also commonly known as the Pincushion Cluster, [9] [10] [11] [8] Football Cluster, [12] [13] the Black Arrow Cluster, [14] or the Wishing Well Cluster, [4] [5] [6] [7] is an open cluster some 405 parsecs from Earth [2] in the constellation Carina. Its population of approximately 150 stars of 7th magnitude or fainter includes seven red giants [15] and seven white dwarfs. [16] [17] On 20 May 1990 it became the first target ever observed by the Hubble Space Telescope. A line from Beta Crucis through Delta Crucis passes somewhat to the north of NGC 3532. The cluster lies between the constellation Crux and the larger but fainter "False Cross" asterism. The 4th-magnitude Cepheid variable star x Carinae (V382 Car) appears near the southeast fringes, but it lies between the Sun and the cluster and is not a member of the cluster.

Contents

The cluster was first catalogued by Nicolas Louis de Lacaille in 1752. [18] It was admired by John Herschel, who thought it one of the finest star clusters in the sky, [3] [19] with many double stars (binary stars). [20]

Related Research Articles

<span class="mw-page-title-main">Carina (constellation)</span> Constellation in the southern celestial hemisphere

Carina is a constellation in the southern sky. Its name is Latin for the keel of a ship, and it was the southern foundation of the larger constellation of Argo Navis until it was divided into three pieces, the other two being Puppis, and Vela.

<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">Puppis</span> Constellation in the southern celestial hemisphere

Puppis ("stern") is a constellation in the southern sky. It was originally part of the traditional constellation of Argo Navis, which was divided into three parts, the other two being Carina, and Vela. Puppis is the largest of the three constellations in square degrees. It is one of the 88 modern constellations recognized by the International Astronomical Union.

<span class="mw-page-title-main">Messier 4</span> Globular cluster in Scorpius

Messier 4 or M4 is a globular cluster in the constellation of Scorpius. It was discovered by Philippe Loys de Chéseaux in 1745 and catalogued by Charles Messier in 1764. It was the first globular cluster in which individual stars were resolved.

<span class="mw-page-title-main">NGC 6397</span> Globular cluster of stars in the Milky Way

NGC 6397 is a globular cluster in the constellation Ara that was discovered by French astronomer Nicolas-Louis de Lacaille in 1752. It is located about 7,800 light-years from Earth, making it one of the two nearest globular clusters to Earth. The cluster contains around 400,000 stars, and can be seen with the naked eye under good observing conditions.

<span class="mw-page-title-main">Jewel Box (star cluster)</span> Open cluster in the constellation Crux

The Jewel Box is an open cluster in the constellation Crux, originally discovered by Nicolas Louis de Lacaille in 1751–1752. This cluster was later named the Jewel Box by John Herschel when he described its telescopic appearance as "... a superb piece of fancy jewellery". It is easily visible to the naked eye as a hazy star some 1.0° southeast of the first-magnitude star Mimosa. This hazy star was given the Bayer star designation "Kappa Crucis", from which the cluster takes one of its common names. The modern designation Kappa Crucis has been assigned to one of the stars in the base of the A-shaped asterism of the cluster.

<span class="mw-page-title-main">Messier 7</span> Open star cluster in the constellation of Scorpius

Messier 7 or M7, also designated NGC 6475 and sometimes known as the Ptolemy Cluster, is an open cluster of stars in the constellation of Scorpius. The cluster is easily detectable with the naked eye, close to the "stinger" of Scorpius. With a declination of −34.8°, it is the southernmost Messier object.

<span class="mw-page-title-main">Carina Nebula</span> Interstellar clouds in the constellation Carina

The Carina Nebula or Eta Carinae Nebula is a large, complex area of bright and dark nebulosity in the constellation Carina, located in the Carina–Sagittarius Arm of the Milky Way galaxy. The nebula is approximately 8,500 light-years (2,600 pc) from Earth.

<span class="mw-page-title-main">Messier 21</span> Open cluster in the constellation Sagittarius

Messier 21 or M21, also designated NGC 6531 or Webb's Cross, is an open cluster of stars located to the north-east of Sagittarius in the night sky, close to the Messier objects M20 to M25. It was discovered and catalogued by Charles Messier on June 5, 1764. This cluster is relatively young and tightly packed. A few blue giant stars have been identified in the cluster, but Messier 21 is composed mainly of small dim stars. With a magnitude of 6.5, M21 is not visible to the naked eye; however, with the smallest binoculars it can be easily spotted on a dark night. The cluster is positioned near the Trifid nebula, but is not associated with that nebulosity. It forms part of the Sagittarius OB1 association.

<span class="mw-page-title-main">Messier 18</span> Open cluster in the constellation Sagittarius

Messier 18 or M18, also designated NGC 6613 and sometimes known as the Black Swan Cluster, is an open cluster of stars in the constellation Sagittarius. It was discovered by Charles Messier in 1764 and included in his list of comet-like objects. From the perspective of Earth, M18 is situated between the Omega Nebula (M17) and the Small Sagittarius Star Cloud (M24).

<span class="mw-page-title-main">Messier 93</span> Open cluster in the constellation Puppis

Messier 93 or M93, also known as NGC 2447 or the Critter Cluster, is an open cluster in the modestly southern constellation Puppis, the imagined poop deck of the legendary Argo.

<span class="mw-page-title-main">Sculptor Galaxy</span> Intermediate spiral galaxy in the constellation Sculptor

The Sculptor Galaxy is an intermediate spiral galaxy in the constellation Sculptor. The Sculptor Galaxy is a starburst galaxy, which means that it is currently undergoing a period of intense star formation.

<span class="mw-page-title-main">NGC 2362</span> Open cluster in the constellation Canis Major

NGC 2362, also known as Caldwell 64, is an open cluster of stars in the southern constellation of Canis Major. It was discovered by the Italian court astronomer Giovanni Batista Hodierna, who published his finding in 1654. William Herschel called it a "beautiful cluster", while William Henry Smyth said it "has a beautiful appearance, the bright white star being surrounded by a rich gathering of minute companions, in a slightly elongated form, and nearly vertical position". In the past it has also been listed as a nebula, but in 1930 Robert J. Trumpler found no evidence of nebulosity. The brightest member star system is Tau Canis Majoris, and therefore it is sometimes called the Tau Canis Majoris Cluster.

<span class="mw-page-title-main">NGC 2516</span> Open cluster in the constellation Carina

NGC 2516 is an open star cluster in the southern sky in the constellation Carina discovered by Abbe Lacaille in 1751-1752. It is also called Southern Beehive or the Sprinter.

<span class="mw-page-title-main">NGC 6231</span> Open Cluster in the constellation of Scorpius

NGC 6231 is an open cluster in the southern sky located half a degrees north of Zeta Scorpii. NGC 6231 is part of a swath of young, bluish stars in the constellation Scorpius known as the Scorpius OB1 association. The star Zeta1 is a member of this association, while its brighter apparent partner, Zeta2, is only 150 ly from Earth and so is not a member.

<span class="mw-page-title-main">Caldwell catalogue</span> Astronomical objects catalogued by Patrick Moore

The Caldwell catalogue is an astronomical catalogue of 109 star clusters, nebulae, and galaxies for observation by amateur astronomers. The list was compiled by Patrick Moore as a complement to the Messier catalogue.

<span class="mw-page-title-main">NGC 2867</span> Planetary nebula in the constellation Carina

NGC 2867 is an elliptical Type II planetary nebula in the southern constellation of Carina, just over a degree to the NNW of the star Iota Carinae. It was discovered by John Herschel on April 1, 1834. Herschel initially thought he might have found a new planet, but on the following night he checked again and discovered it had not moved. The nebula is located at a distance of 7,270 light-years from the Sun.

<span class="mw-page-title-main">NGC 265</span> Open star cluster in the constellation Tucana

NGC 265 is an open cluster of stars in the southern constellation of Tucana. It is located in the Small Magellanic Cloud, a nearby dwarf galaxy. The cluster was discovered by English astronomer John Herschel on April 11, 1834. J. L. E. Dreyer described it as, "faint, pretty small, round", and added it as the 265th entry in his New General Catalogue.

<span class="mw-page-title-main">NGC 3242</span> Planetary nebula in the constellation Hydra

NGC 3242 is a planetary nebula located in the constellation Hydra.

<span class="mw-page-title-main">NGC 2244</span> Open cluster within the Rosette nebula, in the constellation Monoceros

NGC 2244 is an open cluster in the Rosette Nebula, which is located in the constellation Monoceros. This cluster has several O-type stars, super hot stars that generate large amounts of radiation and stellar wind.

References

  1. 1 2 3 "NGC 3532". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2010-05-23.
  2. 1 2 Robichon, N.; et al. (2005). "Open clusters with Hipparcos. I. Mean astrometric parameters". Astronomy and Astrophysics. 345: 471–484. arXiv: astro-ph/9903131 . Bibcode:1999A&A...345..471R.
  3. 1 2 Deep Sky Observer's Companion – the online database, DOCdb Lacaille II.10
  4. 1 2 Nemiroff, R.; Bonnell, J., eds. (26 February 2010). "Chasing Carina". Astronomy Picture of the Day . NASA . Retrieved 17 April 2016.
  5. 1 2 Hook, Richard (26 November 2014). "A Colourful Gathering of Middle-aged Stars". European Southern Observatory. ESO . Retrieved 17 April 2016.
  6. 1 2 Kramer, Miriam (26 November 2014). "Wishing Well Star Cluster Sparkles in Colorful New Views". Space.com. Retrieved 17 April 2016.
  7. 1 2 Frommert, Hartmut; Kronberg, Christine (23 June 2006). "NGC 3532". SEDS Messier Database. SEDS. Retrieved 17 April 2016.
  8. 1 2 Martin Mobberley (Oct 2009). The Caldwell Objects and How to Observe Them. Springer. p. 190. ISBN   978-1-4419-0326-6.
  9. ↑ Stephen James O'Meara, The Caldwell Objects, Cambridge University Press, ISBN   0-521-82796-5, p. 358–360.
  10. ↑ Mike Inglis (July 2013). Observer's Guide to Star Clusters. Springer. p. 55. Bibcode:2013ogsc.book.....I. ISBN   978-1-4614-7567-5.
  11. ↑ Michael E. Bakich (July 2010). 1,001 Celestial Wonders to See Before You Die. Springer. p. 80. Bibcode:2010ocws.book.....B. ISBN   978-1-4419-1777-5.
  12. ↑ Amateur Astronomer Association of New York, Nebula of the Month – Carina's Football
  13. ↑ IceInSpace - Australian Amateur Astronomy, Challenge Objects – June 2005, 2005
  14. ↑ Chadwick, S; Cooper, I (11 December 2012). Imaging the Southern Sky. New York: Springer. p. 94. ISBN   978-1461447498.
  15. ↑ Claria, J.J., Lapasset, E., (1988) "A UBV and DDO astrophysical study of the open cluster NGC3532", Monthly Notices of the Royal Astronomical Society, 235, 1129–1139
  16. ↑ Reimers, D., Koester, D., (1989) "Spectroscopic identification of white dwarfs in galactic clusters. V – NGC 3532", Astronomy & Astrophysics, 218, 118–122
  17. ↑ Dobbie, P., Day-Jones, A., Williams, K., Casewell, S., Burleigh, M., Lodieu, N., Parker, Q., Baxter, R. (2012) "Further investigation of white dwarfs in the open clusters NGC2287 and NGC3532", Monthly Notices of the Royal Astronomical Society, 423, 2815–2828
  18. ↑ Jones, K. G. (March 1969). "The search for the nebulae – VI". Journal of the British Astronomical Association. 79: 213–222. Bibcode:1969JBAA...79..213J.
  19. ↑ Herschel, J. (1847). Results of Astronomical Observations Made During the Years 1834, 5, 6, 7, 8, at the Cape of Good Hope. London, Smith, Elder &Co.
  20. ↑ ScienceDaily, "A colorful gathering of middle-aged stars", European Southern Observatory, 26 November 2014
  21. 1 2 First Image Taken by Hubble's Wide Field Planetary Camera, Hubblesite.org
  22. ↑ "Great Exploration Revisited: New Horizons at Pluto and Charon".


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