The Transit Light Curve Project. IX. Evidence for a Smaller Radius of the Exoplanet XO-3b (2008)
Winn, Joshua N., Holman, Matthew J., Torres, Guillermo, McCullough, Peter, Johns-Krull, Christopher M., Latham, David W., ...
We present photometry of 13 transits of XO-3b, a massive transiting planet on an eccentric orbit. Previous data led to two inconsistent estimates of the planetary radius. Our data strongly favor the...
The Multitude of Molecular Hydrogen Knots in the Helix Nebula (2005)
Meixner, Margaret, McCullough, Peter, Hartman, Joel, Son, Minho, Speck, Angela
We present HST/NICMOS imaging of the H_2 2.12 \mu m emission in 5 fields in the Helix Nebula ranging in radial distance from 250-450" from the central star. The images reveal arcuate structures with...
1. PERSONNEL During this report year the scientific staff consisted of the (1999)
R. Dickel, John R. Dickel, Brian Fields, Charles Gammie, ...
This report covers activities of the department for the period 1 September 1999 - 31 August 2000