Wide-field view of the sky around the star cluster Westerlund 1

This wide-field view from the Digitized Sky Survey 2 is centred on the star cluster Westerlund 1 in the constellation of Ara (The Altar). This cluster appears as a dense orange clump at the centre of the picture. It is very young and contains massive and brilliant hot blue stars, but their light is much reduced and reddened by a dense cloud of dust between the cluster and the Earth. This is a very rich part of the Milky Way and huge numbers of stars, along with many dust clouds, can be seen.

Mynd/Myndskeið:

ESO/Digitized Sky Survey 2
Acknowledgment: Davide De Martin

Um myndina

Auðkenni:eso1415d
Tegund:Athuganir
Útgáfudagur:Maí 14, 2014, 12:00 CEST
Tengdar fréttatilkynningar:eso1415
Stærð:7129 x 7143 px

Um fyrirbærið

Nafn:Westerlund 1
Tegund:Milky Way : Star : Grouping : Cluster
Fjarlægð:15000 ljósár
Constellation:Ara
Flokkur:Star Clusters

Myndasnið

Stór JPEG
23,8 MB

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Hnit

Position (RA):16 47 3.87
Position (Dec):-45° 51' 2.26"
Field of view:119.83 x 120.07 arcminutes
Stefna:Norður er 0.7° højre frá lóðréttu

Litir og síur

TíðnisviðSjónauki
Sýnilegt
B
Digitized Sky Survey 2
Sýnilegt
R
Digitized Sky Survey 2
Innrautt
I
Digitized Sky Survey 2

 

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