2 papers
astro-ph.HE2012
Confirming the 115.5-day periodicity in the X-ray light curve of ULX NGC 5408 X-1
Xu Han, Tao An, Jun-Yi Wang +5
The Swift/XRT light curve of the ultraluminous X-ray (ULX) source NGC 5408 X-1 was re-analyzed with two new numerical approaches, Weighted Wavelet -transform (WWZ) and CLEANest,…
astro-ph.HE2012
Periodic Radio Variability in NRAO 530: Phase Dispersion Minimization Analysis
Jun-Chao Lu, Jun-Yi Wang, Tao An +2
In this paper, a periodicity analysis of the radio light curves of the blazar NRAO 530 at 14.5, 8.0, and 4.8 GHz is presented employing an improved Phase Dispersion Minimization (P…