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The stellar content of the Orion OB1 association

  • Number and Distribution of Massive Stars
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Abstract

We present a photometric investigation, using the VBLUW system, of the stellar content of Orion OB1. Physical parameters (logg, logT eff) for the stars are derived with the aid of model atmospheres. From these, visual extinctions, absolute magnitudes and distance moduli are derived. The distance moduli are used to determine membership for the stars in each of the subgroups and distances to the subgroups are calculated. The ages of the subgroups are derived through isochrone fitting and the IMF is derived for each subgroup. The energy deposited into the ISM through stellar winds and supernovae is calculated and compared to observed large scale features in the ISM around Orion OB1.

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  1. Sterrewacht Leiden, P.O. Box 9513, 2300 RA, Leiden, The Netherlands

    A. G. A. Brown

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  1. A. G. A. Brown
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Brown, A.G.A. The stellar content of the Orion OB1 association. Space Sci Rev 66, 81–84 (1993). https://doi.org/10.1007/BF00771050

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