On the distance to the Ophiuchus star-forming region
@article{Mamajek2007OnTD, title={On the distance to the Ophiuchus star-forming region}, author={E. Mamajek}, journal={Astronomische Nachrichten}, year={2007}, volume={329}, pages={10-14} }
The Ophiuchus molecular cloud complex has produced in Lynds 1688 the richest known embedded cluster within ∼300 pc of the Sun. Unfortunately, distance estimates to the Oph complex vary by nearly ∼40% (∼120–165 pc). Here I calculate a new independent distance estimate of 135±8 pc to this benchmark star-forming region based on Hipparcos trigonometric parallaxes to stars illuminating reflection nebulosity in close proximity to Lynds 1688. Combining this value with recent distance estimates from… CONTINUE READING
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