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Astrophysics

, Volume 61, Issue 3, pp 333–346 | Cite as

The Inverse Problem of Statistical Determination of the Total Number, Luminosity Function, and Brightness Variability Characteristics of T Tau Type Stars in Stellar Aggregates

  • H. V. Pikichyan
Article
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Based on four observations of a stellar aggregate which are fairly widely separated in time, the possibility of estimating the total number of irregularly variable stars in it is demonstrated. The inverse problem of recovering the luminosity function of the stellar aggregate from the averaged brightnesses of its members is formulated. The problem of finding the brightness distribution function is examined under the assumption that the variabilities of the stars are a stationary random process. Detailed photometric data on the stars in two “pictures” of the aggregate which are fairly widely separated in time are used as initial information.

Keywords

inverse problem stellar aggregates statistics irregularly variable stars T Tau type stars 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.V. A. Ambartsumyan Byurakan Astrophysical ObservatoryByurakanArmenia

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