1.28
IAU Symposium 276 @ Torino
Strategic Exploration of Exoplanets and
Disks with Subaru: SEEDS
●Nobuhiko Kusakabe, Motohide Tamura, Ryo Kandori, Tomoyuki Kudo, Jun
Hashimoto, SEEDS/HiCIAO/AO188 team
SEEDS 




First "Subaru Strategic Observations"
120 nights in 5 years on Subaru with HiCIAO and AO
Direct imaging and census of giant planets around ~500 solartype and massive stars in the outer regions (a few - 40 AU)
Exploring protoplanetary disks and debris disks for origin of their
diversity and evolution at the same radial regions
Direct linking between planets and protoplanetary disks
Subaru/HiCIAO
High Contrast Instrument for next
generation Adaptive Optics For
Subaru 8.2m telescope
Specifications
-2048x2048 HgCdTe and ASIC readout
-Wavelengths: 1 – 2.5 microns (NIR)
-Observing modes:
DI, PDI (dual beam), SDI (quad beam), & ADI;
IAU Symposium 276 @ Torino
Strategic Exploration of Exoplanets and
Disks with Subaru: SEEDS
●Nobuhiko Kusakabe, Motohide Tamura, Ryo Kandori, Tomoyuki Kudo, Jun
Hashimoto, SEEDS/HiCIAO/AO188 team
Early Results
Direct Imaging of
Planet Candidate around
Solar-Type Star
Thalmann et al. 2009
GJ758 (G type)
distance
15.5 pc
age
7x108 yr
primary
0.97 Mo（solar-T,G-type）
companion
Mass, Separation（AU, apparent）
B
10 MJ（max：40）, 29 AU
C?
12 MJ（max：47）, 18 AU
Imaging of a transitional disk gap
of LkCa 15 in reflected light
Thalmann et al. 2010
Polarized intensity images of AB Aur
Hashimoto, Tamura, Muto et al. 2010
(Paper under review)
Related Posters are M. Fukagawa (1.18),
N. Narita (3.9) and Y. Takahashi
Kasdin,J. Knapp,G.R. McElwain,M. Shen,Y.
Spergel,D.276 @ Torino
IAU Symposium
Turner,E.L. Vanderbei,R. CSIC-INTA (Spain) Moro-Martin,A.
NASA/Goddard Grady,C. NASA/JPL Serabyn,E. Univ. of
Washington Wisniewski,J. Univ. of Toronto Janson,M. MPIA
Brandner,W. Carson,J. Feldt,M. Goldman,B. Goto,M.
Henning,T. Launhardt,R. Roccatagliata,V. Setiawan,J.
●Nobuhiko
Kusakabe,
Motohide
Tamura, Ryo Kandori,
Tomoyuki
Thalmann,C.
Westfalische
Wilhelms-Universitat
Mann,I.
Univ. Kudo, Jun
Hashimoto,
SEEDS/HiCIAO/AO188
teamGledhill,T. Hough,J.H.
of Nice Abe,L.
Univ. of Hertfordshire
Lucas,P.W. Russian Academy of Sciences Tavrov,A.V.
Strategic Exploration of Exoplanets and
Disks with Subaru: SEEDS
Grazie !