Author

H. Abdollahi

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Preprint Sep 2026

A Study on the Evolution of NGC6822. I. Investigating the Star Formation History through Evolved Stellar Populations

NGC6822 is an isolated dwarf irregular galaxy in the Local Group at a distance of $\sim$ 490 kpc . In this paper, we derived the star formation history (SFH) of NGC6822 employing a method based on evolved asymptotic giant branch (AGB) stars, known as long-period variable (LPV) stars. We utilized a dataset of 329 LPVs i...

F. Khatamsaz, M. Abdollahi, A. Javadi et al. · 0 citations

Review Aug 2026

The UKIRT M33 Monitoring Project: A 15-Year Near-Infrared Variable Star Catalogue for the Central Kiloparsec, and Prospects for Star Formation History and Dust Return

We present results from the UKIRT M33 Monitoring Project, a near-infrared survey of variable red giants in the Local Group spiral galaxy M33. Combining four independent photometric datasets spanning UIST (2003), UFTI (2005), WFCAM (2005-2007), and a new UKIRT Hemisphere Survey epoch (2018), we construct a homogenised 1...

M. Alizadeh, F. Nikzat, A. Javadi et al. · 0 citations