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Paper   IPM / Astronomy / 16123
School of Astronomy
  Title:   The star formation history of the M31 galaxy derived from Long-Period-Variable star counts
1.  Maryam. Torki
2.  Atefeh. Javadi
3.  Jacco Th. van Loon
4.  Hossein. Safari
  Status:   Published
  Journal: IAU
  Vol.:  14
  Year:  2019
  Supported by:            ipm IPM
The determination of the star formation history is a key goal for understanding galaxies. In this regard, nearby galaxies in the Local Group offer us a complete suite of galactic environment that is perfect for studying the connection between stellar populations and galaxy evolution. In this paper, we present the star formation history of M31 using long period variable stars that are prime targets for studying the galaxy formation and evolution because of their evolutionary phase. In this method, at first, we convert the near-infrared K-band magnitude of evolved stars to mass and age and from this we reconstruct the star formation and evolution of the galaxy.

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