activity
19992022
most citedAn Empirical UBVRIJHK Color-Temperature Calibration for Stars

237 citations · 835 across the 25 of their papers we have counts for

collaborators

25 papers

astro-ph.GA2022★ 6 cited

Individual element sensitivity for stellar evolutionary isochrones

Guy Worthey, Xiang Shi, Tathagata Pal +2

Stellar evolution calculations with variable abundance ratios were used to gauge the effects on temperatures, luminosities, and lifetimes in various phases. Individual elements C,…

gr-qc2017★ 45 cited

Inner-most stable circular orbit in Kerr-MOG black hole

Hyun-Chul Lee, Yong-Jin Han

We study the inner-most stable circular orbit(ISCO) of Kerr black hole in MOdified gravity(Kerr-MOG black hole) which is one of the exact solution of the field equation of modified…

gr-qc2016★ 1 cited

Embedded Diagrams of Kerr and Non-Kerr black Holes

Yong-Jin Han, Hyun-Chul Lee

Embedded diagrams are drawn for investigating the black hole of Kerr and non-Kerr metric. Kerr black holes are characterized by masses and spin parameters . Non-Kerr black h…

astro-ph.GA2015★ 38 cited

Measuring Infrared Surface Brightness Fluctuation Distances with HST WFC3: Calibration and Advice

Joseph B. Jensen, John P. Blakeslee, Zachary Gibson +5

We present new calibrations of the near-infrared surface brightness fluctuation (SBF) distance method for the F110W (J) and F160W (H) bandpasses of the Wide Field Camera 3 Infrared…

astro-ph.IM2014

Maximizing LSST's Scientific Return: Ensuring Participation from Smaller Institutions

Charles T. Liu, Beth Willman, Joshua Pepper +21

The remarkable scientific return and legacy of LSST, in the era that it will define, will not only be realized in the breakthrough science that will be achieved with catalog data.…

astro-ph.GA2009★ 20 cited

On the Anomalous Balmer Line Strengths in Globular Clusters

Violet Poole, Guy Worthey, Hyun-chul Lee +1

Spectral feature index diagrams with integrated globular clusters and simple stellar population models often show that some clusters have weak H beta, so weak that even the oldest…