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68 papers · 1 filter
The Submillimeter Array 1.3 mm line survey of Arp 220
S. Martin, M. Krips, J. Martin-Pintado +7
We present the first aperture synthesis unbiased spectral line survey toward an extragalactic object. The survey covered the 40 GHz frequency range between 202 and 242 GHz of the 1…
RXTE/ASM and Swift/BAT Observations of Spectral Transitions in Bright X-ray Binaries in 2005-2010
Jing Tang, Wenfei Yu, Zhen Yan
We have studied X-ray spectral state transitions that can be seen in the long- term monitoring light curves of bright X-ray binaries from the All-Sky Monitor (ASM) on board the Ros…
Phase Drifts of Sub-pulses during the 2004 Giant Flare of SGR 1806-20 and Settling of the Magnetic Fields
Yi Xing, Wenfei Yu
We analyzed the observations of SGR 1806-20 performed with the \textit{Rossi X-ray Timing Explorer} (RXTE) during its 2004 giant flare. We studied the phase evolution of the sub-pu…
The orientation of the nuclear obscurer of the AGNs
Shiyin Shen, Zhengyi Shao, Minfeng Gu
We examine the distribution of axis ratios of a large sample of disk galaxies hosting type 2 AGNs selected from the Sloan Digital Sky Survey and compare it with a well-defined cont…
Modelling the dusty universe II: The clustering of submillimetre-selected galaxies
C. Almeida, C. M. Baugh, C. G. Lacey
We combine the GALFORM semi-analytical model of galaxy formation, which predicts the star formation and merger histories of galaxies, the GRASIL spectro-photometric code, which cal…
On the Origin of Ultraviolet Emission and the Accretion Model of Low-luminosity AGNs
Zhaolong Yu, Feng Yuan, Luis Ho
Low-luminosity active galactic nuclei (LLAGNs) are generally believed to be powered by an inner radiatively inefficient, advection-dominated accretion flow (ADAF), an outer truncat…