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12 papers · 1 filter
A Spitzer Census of Transitional Protoplanetary Disks with AU-Scale Inner Holes
James Muzerolle, Lori E. Allen, S. Thomas Megeath +2
[abridged] Protoplanetary disks with AU-scale inner clearings, often referred to as transitional disks, provide a unique sample for understanding disk dissipation mechanisms and po…
F, G, K, M Spectral Standards in the Y Band (0.95-1.11 um)
Chelsea Sharon, Lynne Hillenbrand, William Fischer +1
We take advantage of good atmospheric transparency and the availability of high quality instrumentation in the 1 um near-infrared atmospheric window to present a grid of F, G, K, a…
Precise calibration of LIGO test mass actuators using photon radiation pressure
E. Goetz, P. Kalmus, S. Erickson +9
Precise calibration of kilometer-scale interferometric gravitational wave detectors is crucial for source localization and waveform reconstruction. A technique that uses the radiat…
Spitzer Observations of the Lambda Orionis cluster I: the frequency of young debris disks at 5 Myr
Jesús Hernández, Nuria Calvet, L. Hartmann +3
We present IRAC/MIPS Spitzer observations of intermediate-mass stars in the 5 Myr old Lambda Orionis cluster. In a representative sample of stars earlier than F5 (29 stars), we fin…
Pre-main sequence stars in the Cepheus flare region
M. Kun, Z. Balog, S. J. Kenyon +2
We present results of optical spectroscopic and BVR_CI_C photometric observations of 77 pre-main sequence (PMS) stars in the Cepheus flare region. A total of 64 of these are newly…
The AzTEC/SMA Interferometric Imaging Survey of Submillimeter-Selected High-Redshift Galaxies
J. D. Younger, G. G. Fazio, J. -S. Huang +14
We present results from a continuing interferometric survey of high-redshift submillimeter galaxies with the Submillimeter Array, including high-resolution (beam size ~2 arcsec) im…