Heon-Young Chang

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20012008

most citedMicrolensing Optical Depth Revisited with Recent Star Counts

6 citations · 8 across the 2 of their papers we have counts for

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astro-ph2003

Radio Variability of the Sagittarius $A^{*}$ due to an Orbiting Star

Heon-Young Chang, Chul-Sung Choi

Recently, unprecedentedly accurate data on the orbital motion of stars in the vicinity of the Sagittarius $A^{*}$ have been available. Such information can be used not only to…

Radio Variability of the Sagittarius A∗ due to an Orbiting Star

Radio Variability of the Sagittarius $A^{*}$ due to an Orbiting Star