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223 papers · 1 filter
A FAST Survey of HINSA in PGCCs Guided by HC3N
Xunchuan Liu, Yuefang Wu, Chao Zhang +11
Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), we search for HI narrow-line self-absorption (HINSA) features in twelve Planck Galactic cold clumps (PGCCs),…
An Early Transition to Magnetic Supercriticality in Star Formation
Tao-Chung Ching, Di Li, Carl Heiles +5
Magnetic fields play an important role in the evolution of interstellar medium and star formation. As the only direct probe of interstellar field strength, credible Zeeman measurem…
An environmental analysis of the Type Ib SN 2019yvr and the possible presence of an inflated binary companion
Ning-Chen Sun, Justyn R. Maund, Paul A. Crowther +5
SN 2019yvr is the second Type Ib supernova (SN) with a possible direct detection of its progenitor (system); however, the spectral energy distribution (SED) of the pre-explosion so…
Coherent Search for Binary Pulsars across all Five Keplerian Parameters in Radio Observations using the template-bank algorithm
Vishnu Balakrishnan, David Champion, Ewan Barr +5
Relativistic binary pulsars orbiting white dwarfs and neutron stars have already provided excellent tests of gravity. However, despite observational efforts, a pulsar orbiting a bl…
Possible Signature of Sausage Waves in Photospheric Bright Points
Yuhang Gao, Fuyu Li, Bo Li +4
Sausage waves have been frequently reported in solar magnetic structures such as sunspots, pores, and coronal loops. However, they have not been unambiguously identified in photosp…
XMM-Newton detection of soft time lags in the TDE candidate AT 2018fyk
Wenda Zhang
In this letter we report a tentative detection of soft time lags (i.e. variability of softer photons lags behind the variability of harder photons) in one observation…