The Extinction in the Solar Neighbourhood from the HIPPARCOS Data

Details The Extinction in the Solar Neighbourhood from the HIPPARCOS Data The Extinction in the Solar Neighbourhood from the HIPPARCOS Data

Aug 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997esasp.402..603v&link_type=abstract

Proceedings of the ESA Symposium `Hipparcos - Venice '97', 13-16 May, Venice, Italy, ESA SP-402 (July 1997), p. 603-606

Physics

11

Scientific paper

With extinctions determined from Stroemgren photometry and parallaxes from Hipparcos for a sample of 3700 stars, an inverse method is used to construct the 3-D distribution of absorbing interstellar matter in the solar neighbourhood. Also, we extract the statistical properties of the data. The average opacity is found 1.5 mag/kpc in A_V with a scale height of 70 pc. The correlation functions gives some indication for the cloud sizes.

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