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AKARI/IRC 18 Micron Survey of Warm Debris Disks
Hideaki Fujiwara, Daisuke Ishihara, Takashi Onaka +11
Context. Little is known about the properties of the warm (Tdust >~ 150 K) debris disk material located close to the central star, which has a more direct link to the formation of…
Direct Imaging Discovery of a `Super-Jupiter' Around the late B-Type Star Kappa And
J. Carson, C. Thalmann, M. Janson +52
We present the direct imaging discovery of an extrasolar planet, or possible low-mass brown dwarf, at a projected separation of 55 +/- 2 AU (1.058 +/- 0.007 arcsec) from the B9-typ…
Subaru Imaging of Asymmetric Features in a Transitional Disk in Upper Scorpius
S. Mayama, J. Hashimoto, T. Muto +52
We report high-resolution (0.07 arcsec) near-infrared polarized intensity images of the circumstellar disk around the star 2MASS J16042165-2130284 obtained with HiCIAO mounted on t…
A New Galactic Extinction Map in High Ecliptic Latitudes
Tsunehito Kohyama, Hiroshi Shibai, Misato Fukagawa +2
In this study, we derived a galactic extinction map in high ecliptic latitudes for |β| > 30 degrees. The dust temperature distribution was derived from the intensities at 100 and 1…
Direct Imaging Confirmation and Characterization of a Dust-Enshrouded Candidate Exoplanet Orbiting Fomalhaut
Thayne Currie, John Debes, Timothy J. Rodigas +6
We present Subaru/IRCS J band data for Fomalhaut and a (re)reduction of archival 2004--2006 HST/ACS data first presented by Kalas et al. (2008). We confirm the existence of a candi…
The Absence of Cold Dust around Warm Debris Disk Star HD 15407A
Hideaki Fujiwara, Takashi Onaka, Satoshi Takita +5
We report Herschel and AKARI photometric observations at far-infrared (FIR) wavelengths of the debris disk around the F3V star HD 15407A, in which the presence of an extremely larg…