128 citations · 327 across the 12 of their papers we have counts for
4 papers · 1 filter
Optical Variability of the Radio Source J 1128+5925
Jianghua Wu, Xu Zhou, Jun Ma +3
Very recently, J 1128+5925 was found to show strong intraday variability at radio wavelengths and may be a new source with annual modulation of the timescale of its radio variabili…
Metal Abundance Properties of M81 Globular Cluster System
Jun Ma, David Burstein, Zhou Fan +5
This paper is the third in the series of papers on M81 globular clusters. In this paper, we present spatial and metal abundance properties of 95 M81 globular clusters, which compri…
Structural Parameters of Mayall II = G1 in M31
J. Ma, R. de Grijs, D. Chen +6
Mayall II = G1 is one of the most luminous globular clusters (GCs) known in M31. New deep, high-resolution observations with the Advanced Camera for Surveys on the {\sl Hubble Spac…
BATC 13-band Photometry of Open Cluster NGC 7789
Zhen-Yu Wu, Xu Zhou, Jun Ma +3
We present 13-band CCD intermediate-band spectrophotometry of a field centered on the open cluster NGC 7789 from 400 to nearly 1000 nm, taken with Beijing-Arizona-Taiwan-Connecticu…