792 citations · 891 across the 4 of their papers we have counts for
4 papers
The Proper Motion of Sgr A*: II. The Mass of Sgr A*
M. J. Reid, A. Brunthaler
We report measurements with the VLBA of the position of Sgr A* with respect to two extragalactic radio sources over a period of eight years. The apparent proper motion of \sgrab re…
The Structure of Stellar Coronae in Active Binary Systems
J. Sanz-Forcada, N. S. Brickhouse, A. K. Dupree
A survey of 28 stars using EUV spectra has been conducted to establish the structure of stellar coronae in active binary systems from the EMD, electron densities, and scale sizes.…
Omega Centauri as a Disrupted Dwarf Galaxy: Evidence from Multiple Stellar Populations
Young-Wook Lee, Soo-Chang Rey, Chang H. Ree +4
Our recent CCD photometry (Lee et al. 1999) has shown, for the first time, that omega Cen has several distinct stellar populations, which is reminiscent of the Sagittarius dwarf ga…
Wide-field High-precision CCD Photometry of omega Centauri and Its RR Lyrae Stars
Soo-Chang Rey, Jong-Myung Joo, Young-Jong Sohn +3
We present wide-field and high-precision BV and Ca & Stromgren by photometry of omega Centauri and its RR Lyrae stars, which represents one of the most extensive photometric survey…