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Calibrating [OII] star-formation rates at z>1 from dual Hα-[OII] imaging from HiZELS
Masao Hayashi, David Sobral, Philip N. Best +2
We investigate the relationship between Hα and [OII](λ3727) emission in faint star-forming galaxies at z=1.47 with dust uncorrected star formation rates (SFRs) down to 1.4 Msun/yr,…
Unusual Long and Luminous Optical Transient in the Subaru Deep Field
Yuji Urata, Patrick P. Tsai, Kuiyun Huang +8
We present observations of SDF-05M05, an unusual optical transient discovered in the Subaru Deep Field (SDF). The duration of the transient is > ~800 d in the observer frame, and t…
A Ly-alpha Emitter with an Extremely Large Rest-frame Equivalent Width of ~900A at z=6.5: A Candidate of Population III-dominated Galaxy?
Nobunari Kashikawa, Tohru Nagao, Jun Toshikawa +13
We have identified a very interesting Ly-alpha emitter, whose Ly-alpha emission line has an extremely large observed equivalent width of EW_0=436^{+422}_{-149}A, which corresponds…
The Structure of Pre-transitional Protoplanetary Disks I: Radiative Transfer Modeling of the Disk+Cavity in the PDS 70 system
Ruobing Dong, Jun Hashimoto, Roman Rafikov +49
Through detailed radiative transfer modeling, we present a disk+cavity model to simultaneously explain both the SED and Subaru H-band polarized light imaging for the pre-transition…
Massive starburst galaxies in a z=2.16 proto-cluster unveiled by panoramic H-alpha mapping
Yusei Koyama, Tadayuki Kodama, Ken-ichi Tadaki +5
We present a panoramic narrow-band study of H-alpha emitters in the field of the z=2.16 proto-cluster around PKS1138-262 using MOIRCS on the Subaru Telescope. We find 83 H-alpha em…
Polarimetric Imaging of Large Cavity Structures in the Pre-transitional Protoplanetary Disk around PDS 70: Observations of the disk
Jun Hashimoto, Ruobing Dong, Tomoyuki Kudo +52
We present high resolution H-band polarized intensity (PI; FWHM = 0."1: 14 AU) and L'-band imaging data (FWHM = 0."11: 15 AU) of the circumstellar disk around the weak-lined T Taur…