NGC 3766

NGC 3766
NGC 3766 image taken with the MPG/ESO 1.2-metre telescope at the La Silla Observatory^[1] Credit: ESO
Observation data (J2000 epoch)
Constellation	Centaurus
Right ascension	11^h 36.1^m
Declination	−61° 37′
Distance	5.5 kly
Apparent magnitude (V)	5.3
Apparent dimensions (V)	12.0′
Physical characteristics
Notable features	Easy to view via binoculars or telescope
Other designations	NGC 3766, Lacaille III.7, Dunlop 289, Melotte 107, Collinder 248, C1133-613, Caldwell 97

Map showing the location of NGC 3766.

NGC 3766 is an open star cluster in the southern constellation Centaurus. It is located in the vast star-forming region known as the Carina molecular cloud, and was discovered by Nicolas Louis de Lacaille during his astrometric survey in 1751–1752. At a distance of about 1745 pc,^[2] the cluster subtends a diameter of about 12 minutes of arc.^[3]

There are 137 listed stars, but many are likely non-members, with only 36 having accurate photometric data.^[4] Total apparent magnitude of 5.3 and integrated spectral type of B1.7.^[2] NGC 3766 is relatively young that is estimated as log (7.160) or 14.4 million years,^[3] and approaching us at –14.8 km·s⁻¹.^[2] This cluster contains eleven Be stars, two red giants and four Ap stars.^[4]

References

↑ "New Kind of Variable Star Discovered". ESO Press Release. Retrieved 14 June 2013.
1 2 3 "SIMBAD Astronomical Dangc3766webdatabase". Results for NGC 3766. Retrieved 2013-06-13.
1 2 "WEBDA Astronomical Database". WEBDA Page for NGC 3766. Retrieved 2013-06-13.
1 2 "Webda Astronomical Database". WEBDA Page for NGC 3766a. Retrieved 2013-06-13.

External links

NGC 3766 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

Coordinates: 11^h 36^m 06^s, −61° 37′ 00″

New General Catalogue 3500 to 3999

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Astronomical catalog List of NGC objects

Caldwell catalogue

List	C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64 C65 C66 C67 C68 C69 C70 C71 C72 C73 C74 C75 C76 C77 C78 C79 C80 C81 C82 C83 C84 C85 C86 C87 C88 C89 C90 C91 C92 C93 C94 C95 C96 C97 C98 C99 C100 C101 C102 C103 C104 C105 C106 C107 C108 C109

See also	Messier Catalogue Catalogue of Nebulae and Clusters of Stars New General Catalogue Index Catalogue Revised New General Catalogue Herschel 400 Catalogue

Book:Caldwell catalogue Category:Caldwell objects Portal:Astronomy Commons:Caldwell objects

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NGC 3766

See also

References

External links