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The Dust Mass of Supernova Remnants in M31
Ye Wang, Biwei Jiang, Jun Li +2
The dust temperature and mass of the supernova remnants (SNRs) in M31 are estimated by fitting the infrared spectral energy distribution calculated from the images in the Spitzer/I…
The Sample of Red Supergiants in Twelve Low-Mass Galaxies of the Local Group
Yi Ren, Biwei Jiang, Ming Yang +2
This work establishes the most complete sample of red supergiants (RSGs) in twelve low-mass galaxies (WLM, IC 10, NGC 147, NGC 185, IC 1613, Leo A, Sextans B, Sextans A, NGC 6822,…
The Extinction and Distance of the MBM Molecular Clouds at High Galactic Latitude
Mingxu Sun, Biwei Jiang, He Zhao +1
Based on the accurate color excess of more than 4 million stars and of more than 1 million stars from \citet{2021ApJS..254...38S}, the…
Radio stars of the SKA
Bin Yu, Albert Zijlstra, Biwei Jiang
Radio emission from stars can be used, e.g., to study ionized winds or stellar flares. The radio emission is faint and studies have been limited to few objects. The Square Kilomete…
Red supergiants in M31 and M33 II. The Mass Loss Rate
Tianding Wang, Biwei Jiang, Yi Ren +2
Mass loss is an important activity for red supergiants (RSGs) which can influence their evolution and final fate. Previous estimations of mass loss rates (MLRs) of RSGs exhibit sig…
Evolved Massive Stars at Low-metallicity IV. Using 1.6 m "H-bump" to identify red supergiant stars: a case study of NGC 6822
Ming Yang, Alceste Z. Bonanos, Biwei Jiang +9
We present a case study of using a novel method to identify red supergiant (RSG) candidates in NGC 6822, based on their 1.6 m "H-bump". We collected 32 bands of photometric data…