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Are the silicate crystallinities of oxygen-rich evolved stars related to their mass loss rates?
Biwei Jiang, Jiaming Liu, Aigen Li
A sample of 28 oxygen-rich evolved stars is selected based on the presence of crystalline silicate emission features in their ISO/SWS spectra. The crystallinity, measured as the fl…
The Ultraviolet Extinction in the Bands
Mingxu Sun, B. W. Jiang, He Zhao +4
Interstellar extinction in ultraviolet is the most severe in comparison with optical and infrared wavebands and a precise determination plays an important role in correctly recover…
Probing the 9.7μm Interstellar Silicate Extinction Profile through the Spitzer/IRS Spectroscopy of OB Stars
Z. Z. Shao, B. W. Jiang, Aigen Li +3
The 9.7m interstellar spectral feature, arising from the Si--O stretch of amorphous silicate dust, is the strongest extinction feature in the infrared (IR). In principle, the sp…
The Distance and the near-IR extinction of the Monoceros Supernova Remnant
H. Zhao, B. W. Jiang, S. Gao +2
Supernova remnants (SNRs) embody the information of the influence on dust properties by the supernova explosion. Based on the color indexes from the 2MASS photometric survey and th…
Carbon stars identified from LAMOST DR4 using Machine Learning
Yin-Bi Li, A-Li Luo, Chang-De Du +27
In this work, we present a catalog of 2651 carbon stars from the fourth Data Release (DR4) of the Large Sky Area Multi-Object Fiber Spectroscopy Telescope (LAMOST). Using an effici…