Claud H. Sandberg Lacy
U.S. National Science Foundation, University of Arkansas at Fayetteville
Papers
9
Total Citations
176
H-Index
8
About
Claud H. Sandberg Lacy is a stellar astronomer whose career has been devoted to the precise characterization of eclipsing binary star systems — pairs of stars whose orbits cause them to periodically eclipse one another as seen from Earth. Through meticulous observational campaigns combining robotic telescope photometry and high-resolution spectroscopic radial velocity measurements, Lacy has determined the absolute physical properties — masses, radii, luminosities, and orbital parameters — of numerous binary systems with exceptional precision. His most cited work, a 2005 study of RW Lacertae (41 citations), exemplifies his methodology: thousands of differential photometric observations paired with spectroscopic data to yield fundamental stellar parameters that serve as benchmarks for stellar evolution theory. His broader body of work, spanning systems such as WW Camelopardalis, V459 Cassiopeiae, MU Cassiopeiae, and CO Andromedae, has collectively accumulated over 175 citations, providing the astronomical community with a rich catalog of empirically grounded stellar measurements. Notably, his 2010 study of the eclipsing triple star CO Andromedae offered important constraints on convective core overshooting, directly informing theoretical stellar models. Lacy's contributions represent an enduring resource for researchers seeking precise, observationally derived stellar parameters.
Research Focus
Key Achievements
Top Papers
- 1Absolute Properties of the Eclipsing Binary Star RW Lacertae41 citations · 2005
- 2
- 3Absolute Properties of the Eclipsing Binary Star V459 Cassiopeiae23 citations · 2004
- 4
- 5
- 6Absolute Properties of the Main-Sequence Eclipsing Binary Star BP Vulpeculae18 citations · 2003
- 7ABSOLUTE PROPERTIES OF THE ECLIPSING BINARY STAR V501 HERCULIS9 citations · 2014
- 8Absolute Properties of the Eclipsing Binary Star V396 Cassiopeiae9 citations · 2004
- 9