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Sextans
Sextans
List of stars in Sextans
Abbreviation Sex
Genitive Sextantis, Sextansis
Pronunciation /ˈsɛkstənz/, genitive /sɛksˈtæntɨs/
Symbolism the Sextant
Right ascension 10 h
Declination
Family Hercules
Quadrant SQ2
Area 314 sq. deg. (47th)
Main stars 3
Bayer/Flamsteed
stars
28
Stars with planets 3
Stars brighter than 3.00m 0
Stars within 10.00 pc (32.62 ly) 5
Brightest star α Sex (4.49m)
Nearest star LHS 292
(14.80 ly, 4.54 pc)
Messier objects None
Meteor showers Sextantids
Bordering
constellations
Leo
Hydra
Crater
Visible at latitudes between +80° and −90°.
Best visible at 21:00 (9 p.m.) during the month of April.

Sextans is a minor equatorial constellation which was introduced in the 17th century by Johannes Hevelius. Its name is Latin for the astronomical sextant, an instrument that Hevelius made frequent use of in his observations.

Notable features

Sextans as a constellation covers a rather dim, sparse region of the sky. It has only one star above the fifth magnitude, namely α Sextantis at 4.49m. The constellation contains a few double stars, including γ, 35, and 40 Sextantis. There are a few notable variable stars, including β, 25, 23 Sextantis, and LHS 292.

References

  • Ian Ridpath and Wil Tirion (2007). Stars and Planets Guide, Collins, London. ISBN 978-0007251209. Princeton University Press, Princeton. ISBN 978-0691135564.

External links

Coordinates: Sky map 10h 00m 00s, +00° 00′ 00″

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Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

See also sextans

Contents

English

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Wikipedia

Etymology

Named by the astronomer Johannes Hevelius in 1690. From Latin sextans, a "sextant" (nautical neasuring implement)

Proper noun

Singular
Sextans

Plural
-

Sextans

  1. (astronomy) A dim spring constellation of the northern sky, said to resemble a sextant. It lies south of the constellation of Leo.

Derived terms

Translations


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