activity
19932019
most citedThe 72-Hour WEBT Microvariability Observation of Blazar S5 0716+714 in 2009

67 citations · 256 across the 14 of their papers we have counts for

collaborators
Showing astro-ph.SRShow all

6 papers · 1 filter

astro-ph.SR2019★ 6 cited

Variability in Proto-Planetary Nebulae: VI. Multi-Telescope Light Curves Studies of Several Medium-Bright (V=13-15), Carbon-Rich Objects

Bruce J. Hrivnak, Gary Henson, Todd C. Hillwig +3

We present ten years of new photometric monitoring of the light variability of five evolved stars with strong mid-infrared emission from surrounding dust. Three are known carbon-ri…

astro-ph.SR2013

The Color-Magnitude Diagram of the Globular Cluster M14

Erik D. Reinhart, Thayne A. McCombs, Andrew N. Darragh +3

Using the SARA 0.9 meter telescope at Kitt Peak National Observatory (KPNO) we obtained R images during the summer of 2010 and V images during the summer of 2012 of the globular cl…

astro-ph.SR2013

Discovery of a Probable SX Phoenicis Star in M107 (NGC 6171)

Thayne A. McCombs, Erik D. Reinhart, Andrew N. Darragh +2

Using V images taken in May and June 2012 with the SARA Consortium's 0.9-meter telescope located at Kitt Peak National Observatory, we searched for variable stars in the globular c…

astro-ph.SR2012

Variable Stars in the Globular Cluster M14

Kyle E. Conroy, Andrew N. Darragh, Zheyu J. Liu +1

Using an image subtraction method we have searched for variable stars in the globular cluster M14. We confirmed 62 previously known catalogued variables. In addition to the previou…

astro-ph.SR2012

New Variable Stars in the Globular Cluster NGC 6584

Joseph M. Toddy, Elliott W. Johnson, Andrew N. Darragh +1

Using the Southeastern Association for Research in Astronomy 0.6 meter telescope located at Cerro Tololo, we searched for variable stars in the southern globular cluster NGC 6584.…

astro-ph.SR2012

New SX Phoenicis Variables in the Globular Cluster NGC 4833

Andrew N. Darragh, Brian W. Murphy

We report the discovery of 6 SX Phoenicis stars in the southern globular cluster NGC 4833. Images were obtained from January through June 2011 with the Southeastern Association for…