2 papers
astro-ph.CO2009
Synchronous Optical and Radio Polarization Variability in the Blazar OJ287
F. D. D'Arcangelo, A. P. Marscher, S. G. Jorstad +12
We explore the variability and cross-frequency correlation of the flux density and polarization of the blazar OJ287, using imaging at 43 GHz with the Very Long Baseline Array, as w…
astro-ph2007
Spitzer/IRAC and JHKs Observations of h & chi Persei: Constraints on Protoplanetary Disk and Massive Cluster Evolution at ~ 10^{7} yr
Thayne Currie, Zoltan Balog, S. J. Kenyon +12
We describe IRAC 3.6-8 mu_m observations and ground-based near-IR JHKs photometry from Mimir and 2MASS of the massive double cluster h & chi Persei complete to J=15.5 (M ~ 1.3 Msun…