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127 papers · 1 filter
Mass-to-Light versus Color Relations for Dwarf Irregular Galaxies
Kimberly A. Herrmann, Deidre A. Hunter, Hong-Xin Zhang +1
We have determined new relations between colors and mass-to-light ratios () for dwarf irregular (dIrr) galaxies, as well as for transformed . These…
Polycyclic Aromatic Hydrocarbon in Protoplanetary Disks around Herbig Ae/Be and T Tauri Stars
Ji Yeon Seok, Aigen Li
A distinct set of broad emission features at 3.3, 6.2, 7.7, 8.6, 11.3, and 12.7 m, is often detected in protoplanetary disks (PPDs). These features are commonly attributed to po…
SCUSS u-Band Emission as a Star-Formation-Rate Indicator
Zhimin Zhou, Xu Zhou, Hong Wu +14
We present and analyze the possibility of using optical -band luminosities to estimate star-formation rates (SFRs) of galaxies based on the data from the South Galactic Ca…
The Five-hundred-meter Aperture Spherical Radio Telescope (FAST) Project
Di Li, Zhichen Pan
The Five-hundred-meter Aperture Spherical radio Telescope (FAST) is a Chinese mega-science project funded by the National Development and Reform Commission (NDRC) of the People's R…
CH as a Molecular Gas Tracer and C-Shock Tracer Across a Molecular Cloud Boundary in Taurus
Duo Xu, Di Li
We present new observations of all three ground-state transitions of the methylidyne (CH) radical and all four ground-state transitions of the hydroxyl (OH) radical toward a sharp…
Young stars in the periphery of the Large Magellanic Cloud
C. Moni Bidin, D. I. Casetti-Dinescu, T. M. Girard +5
Despite their close proximity, the complex interplay between the two Magellanic Clouds, the Milky Way, and the resulting tidal features, is still poorly understood. Recent studies…