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- Ames Research CenterUS864 papers
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- Space Telescope Science InstituteUS349 papers
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86 papers · 1 filter
Characterizing two solar-type Kepler subgiants with asteroseismology: KIC10920273 and KIC11395018
G. Dogan, T. S. Metcalfe, S. Deheuvels +27
Determining fundamental properties of stars through stellar modeling has improved substantially due to recent advances in asteroseismology. Thanks to the unprecedented data quality…
Millimeter Emission Structure in the first ALMA Image of the AU Mic Debris Disk
Meredith A. MacGregor, David J. Wilner, Katherine A. Rosenfeld +9
We present 1.3 millimeter ALMA Cycle 0 observations of the edge-on debris disk around the nearby, ~10 Myr-old, M-type star AU Mic. These observations obtain 0.6 arcsec (6 AU) resol…
A DEBRIS Disk Around The Planet Hosting M-star GJ581 Spatially Resolved with Herschel
J. -F. Lestrade, B. C. Matthews, B. Sibthorpe +17
Debris disks have been found primarily around intermediate and solar mass stars (spectral types A-K) but rarely around low mass M-type stars. We have spatially resolved a debris di…
Chemical consequences of the C/O ratio on hot Jupiters: Examples from WASP-12b,CoRoT-2b, XO-1b, and HD 189733b
J. I. Moses, N. Madhusudhan, C. Visscher +1
Motivated by recent spectroscopic evidence for carbon-rich atmospheres on some transiting exoplanets, we investigate the influence of the C/O ratio on the chemistry, composition, a…
A new class of SETI beacons that contain information (22-aug-2010)
G. R. Harp, R. F. Ackermann, Samantha K. Blair +4
In the cm-wavelength range, an extraterrestrial electromagnetic narrow band (sine wave) beacon is an excellent choice to get alien attention across interstellar distances because 1…
Of Horseshoes and Heliotropes: Dynamics of Dust in the Encke Gap
M. M. Hedman, J. A. Burns, D. P. Hamilton +1
The Encke Gap is a 320-km-wide opening in Saturn's outer A ring that contains the orbit of the small moon Pan and an array of dusty features composed of particles less than 100 mic…