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Substellar Objects in Nearby Young Clusters (SONYC) II: The Brown Dwarf Population of Rho Ophiuchi
Vincent Geers, Alexander Scholz, Ray Jayawardhana +3
SONYC - Substellar Objects in Nearby Young Clusters - is a survey program to investigate the frequency and properties of brown dwarfs down to masses below the Deuterium burning lim…
A Possible Tilted Orbit of the Super-Neptune HAT-P-11b
Teruyuki Hirano, Norio Narita, Avi Shporer +3
We report the detection of the Rossiter-McLaughlin effect for the eccentric, super-Neptune exoplanet HAT-P-11b, based on radial velocity measurements taken with HDS mounted on the…
Magnetic Field Configuration at the Galactic Center Investigated by Wide Field Near-Infrared Polarimetry: Transition from a Toroidal to a Poloidal Magnetic Field
Shogo Nishiyama, Hirofumi Hatano, Motohide Tamura +8
We present a large-scale view of the magnetic field in the central 2deg * 2deg region of our Galaxy. The polarization of point sources has been measured in the J, H, and Ks bands u…
Measurements of Transit Timing Variations for WASP-5b
Akihiko Fukui, Norio Narita, Paul J. Tristram +34
We have observed 7 new transits of the `hot Jupiter' WASP-5b using a 61 cm telescope located in New Zealand, in order to search for transit timing variations (TTVs) which can be in…
The Rossiter-McLaughlin Effect of the Transiting Exoplanet XO-4b
Norio Narita, Teruyuki Hirano, Roberto Sanchis-Ojeda +5
We report photometric and radial velocity observations of the XO-4 transiting planetary system, conducted with the FLWO 1.2m telescope and the 8.2m Subaru Telescope. Based on the n…
The infrared imaging spectrograph (IRIS) for TMT: spectrograph design
Anna M. Moore, Brian J. Bauman, Elizabeth J. Barton +6
The Infra-Red Imaging Spectrograph (IRIS) is one of the three first light instruments for the Thirty Meter Telescope (TMT) and is the only one to directly sample the diffraction li…