The nebula L 1569 - an accurate distance determination

Details The nebula L 1569 - an accurate distance determination The nebula L 1569 - an accurate distance determination

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...202..173f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 202, no. 1-2, Aug. 1988, p. 173-176. Sponsorship: Coordenacao de Aperfeicoamen

Astronomy and Astrophysics

Astrophysics

17

Astrometry, Astronomical Photometry, Nebulae, A Stars, Dark Matter, Distance, F Stars, Interstellar Matter, Molecular Clouds

Scientific paper

Strömgren photometry for 40 A and F type stars belonging to the Selected Area 95 is used to derive the distance of the dark cloud L 1569. Inspection of the uvbyß diagrams shows clearly that several stars almost have the same reddening, suggesting the presence of an absorbing layer in front of them. From the E(b-y)-distance data, a distance of 130±20 pc is suggested for this cloud, which locates, at least in part, the IRAS infrared cirrus source that lies at the same direction. The star HD 25154 is suspected to be a pre-main-sequence star inside L 1569.

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