van den Bergh 158 - a reflection nebula in Andromeda

Posted by AntonFarm
on Wednesday, September 19, 2012

Farmakopoulos Antonis

VdB 158 is a Reflection nebula in the constellation of Andromeda and correspond to the brightest bluish area of the diffuse galactic nebula catalogued as GAL110-13. The cloud is illuminated by two blue-white dwarf of spectral class B9V and a third star of spectral class B8V, the main cause of the light received from the cloud. These three stars show a common proper motion, indicating that this is a group of stars physically related to each other and have a common origin. Furthermore, their distance of about 400 parsecs (1435 light years), placing them in the same region of Lacerta OB1. For full size & technical details look here :

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