Strategic Explorations of Exoplanets and Disks with Subaru

Strategic Explorations of Exoplanets and Disks with Subaru (SEEDS) is a multi-year survey that used the Subaru Telescope on Mauna Kea, Hawaii in an effort to directly image extrasolar planets and protoplanetary/debris disks around several hundred nearby stars.[1] Near-infrared imaging was carried out using the AO188 Adaptive Optics System[2] and HiCIAO high-contrast imaging instrument.[3][4][5] The survey is headquartered at National Astronomical Observatory of Japan (NAOJ) and led by Principal Investigator Motohide Tamura. The survey team includes over a hundred members from dozens of institutes around the world. Observations began in late October 2009, and finished in early January 2015. The goals of the survey are to address the following key issues in exoplanet∕disk science: (1) the detection and census of exoplanets in the outer circumstellar regions around stars, (2) the evolution of protoplanetary and debris disks including their morphological diversity, and (3) the link between exoplanets and circumstellar disks.


Kappa Andromedae b, the Super-Jupiter exoplanet of 12.8 Jupiter masses discovered as part of the SEEDS survey
The confirmed brown dwarf GJ 758 B and the candidate GJ 758 C, which was later found to be a background star

See also


  1. Tamura, Motohide (March 2009). "Subaru Strategic Exploration of Exoplanets and Disks with HiCIAO∕AO188 (SEEDS)". AIP Conference Proceedings. 1158 (1): 11–16. doi:10.1063/1.3215811.
  2. Minowa, Yosuke; et al. (July 2010). "Performance of Subaru adaptive optics system AO188" (PDF). Proceedings of the SPIE. 7736: 122M. doi:10.1117/12.857818.
  3. Tamura, Motohide; et al. (July 2006). "Concept and science of HiCIAO: high contrast instrument for the Subaru next generation adaptive optics" (PDF). Proceedings of the SPIE. 6269: 62690V. doi:10.1117/12.670742.
  4. Hodapp, Klaus; et al. (August 2008). "HiCIAO: the Subaru Telescope's new high-contrast coronographic imager for adaptive optics" (PDF). Proceedings of the SPIE. 7014: 42H. doi:10.1117/12.788088.
  5. Suzuki, Ryuji; et al. (July 2010). "Performance characterization of the HiCIAO instrument for the Subaru Telescope" (PDF). Proceedings of the SPIE. 7735: 101S. doi:10.1117/12.857361.
  6. Kuzuhara, Masayuki; et al. (August 2013). "Direct Imaging of a Cold Jovian Exoplanet in Orbit around the Sun-like Star GJ 504". Astrophysical Journal. 774: 11. arXiv:1307.2886Freely accessible. Bibcode:2013ApJ...774...11K. doi:10.1088/0004-637X/774/1/11.
  7. Carson, Joseph; et al. (January 2013). "Direct Imaging Discovery of a `Super-Jupiter' Around the late B-Type Star Kappa And". Astrophysical Journal Letters. 763: 32. arXiv:1211.3744Freely accessible. Bibcode:2013ApJ...763L..32C. doi:10.1088/2041-8205/763/2/L32.
  8. Thalmann, Christian; et al. (December 2009). "Discovery of the Coldest Imaged Companion of a Sun-Like Star". Astrophysical Journal Letters. 707: 123. arXiv:0911.1127Freely accessible. Bibcode:2009ApJ...707L.123T. doi:10.1088/0004-637X/707/2/L123.
  9. Janson, Markus; et al. (January 2011). "Near-infrared Multi-band Photometry of the Substellar Companion GJ 758 B". The Astrophysical Journal. 728: 85. arXiv:1011.5505Freely accessible. Bibcode:2011ApJ...728...85J. doi:10.1088/0004-637X/728/2/85.
  10. Hashimoto, Jun; et al. (March 2011). "Direct Imaging of Fine Structures in Giant Planet-forming Regions of the Protoplanetary Disk Around AB Aurigae". Astrophysical Journal Letters. 729: 17. arXiv:1102.4408Freely accessible. Bibcode:2011ApJ...729L..17H. doi:10.1088/2041-8205/729/2/L17.
  11. Thalmann, Christian; et al. (December 2011). "Images of the Extended Outer Regions of the Debris Ring around HR 4796 A". Astrophysical Journal Letters. 743: 6. arXiv:1110.2488Freely accessible. Bibcode:2011ApJ...743L...6T. doi:10.1088/2041-8205/743/1/L6.
  12. Thalmann, Christian; et al. (August 2010). "Imaging of a Transitional Disk Gap in Reflected Light: Indications of Planet Formation Around the Young Solar Analog LkCa 15". Astrophysical Journal. 718: 87. arXiv:1005.5162Freely accessible. Bibcode:2010ApJ...718L..87T. doi:10.1088/2041-8205/718/2/L87.
  13. Narita, Norio; et al. (June 2010). "Search for Outer Massive Bodies around Transiting Planetary Systems: Candidates of Faint Stellar Companions around HAT-P-7". Publications of the Astronomical Society of Japan. 62: 779. arXiv:1004.2458Freely accessible. Bibcode:2010PASJ...62..779N. doi:10.1093/pasj/62.3.779.
  14. Thalmann, Christian; et al. (February 2013). "Imaging Discovery of the Debris Disk Around HIP 79977". Astrophysical Journal Letters. 763: 29. arXiv:1301.0625Freely accessible. Bibcode:2013ApJ...763L..29T. doi:10.1088/2041-8205/763/2/L29.
  15. Mayama, Satoshi; et al. (December 2012). "Subaru Imaging of Asymmetric Features in a Transitional Disk in Upper Scorpius". Astrophysical Journal Letters. 760: 26. arXiv:1211.3284Freely accessible. Bibcode:2012ApJ...760L..26M. doi:10.1088/2041-8205/760/2/L26.
  16. Hashimoto, Jun; et al. (October 2012). "Polarimetric Imaging of Large Cavity Structures in the Pre-transitional Protoplanetary Disk around PDS 70: Observations of the Disk". Astrophysical Journal Letters. 758: 19. arXiv:1208.2075Freely accessible. Bibcode:2012ApJ...758L..19H. doi:10.1088/2041-8205/758/1/L19.
  17. Muto, Takayuki; et al. (April 2012). "Discovery of Small-scale Spiral Structures in the Disk of SAO 206462 (HD 135344B): Implications for the Physical State of the Disk from Spiral Density Wave Theory". Astrophysical Journal Letters. 748: 22. arXiv:1202.6139Freely accessible. Bibcode:2012ApJ...748L..22M. doi:10.1088/2041-8205/748/2/L22.
  18. Narita, Norio; et al. (December 2012). "A Common Proper Motion Stellar Companion to HAT-P-7". Publications of the Astronomical Society of Japan. 64: 7. arXiv:1209.4422Freely accessible. Bibcode:2012PASJ...64L...7N. doi:10.1088/2041-8205/748/2/L22.
  19. Grady, C.A.; et al. (January 2013). "Spiral Arms in the Asymmetrically Illuminated Disk of MWC 758 and Constraints on Giant Planets". Astrophysical Journal. 762: 48. arXiv:1212.1466Freely accessible. Bibcode:2013ApJ...762...48G. doi:10.1088/0004-637X/762/1/48.
  20. Tanii, Ryoko; et al. (December 2012). "High-Resolution Near-Infrared Polarimetry of a Circumstellar Disk around UX Tau A". Publications of the Astronomical Society of Japan. 64: 124. arXiv:1206.1215Freely accessible. Bibcode:2012PASJ...64..124T. doi:10.1093/pasj/64.6.124.
  21. Kusakabe, Nobuhiko; et al. (July 2012). "High-Contrast NIR Polarization Imaging of MWC480". Astrophysical Journal. 753: 153. arXiv:1205.3159Freely accessible. Bibcode:2012ApJ...753..153K. doi:10.1088/0004-637X/753/2/153.
  22. Thalmann, Christian; et al. (Feb 2014). "The architecture of the LkCa 15 transitional disk revealed by high-contrast imaging". Astronomy & Astrophysics. 566: 23. arXiv:1402.1766Freely accessible. Bibcode:2014A&A...566A..51T. doi:10.1051/0004-6361/201322915.
  23. Tsukagoshi, Takashi; et al. (Feb 2014). "High-Resolution Submillimeter and Near-Infrared Studies of the Transition Disk around Sz 91". Astrophysical Journal. 783: 90. arXiv:1402.1538Freely accessible. Bibcode:2014ApJ...783...90K. doi:10.1088/0004-637X/783/2/90.
  24. de Leon, Jerome; Takami, Michihiro; Karr, Jennifer L.; Hashimoto, Jun; Kudo, Tomoyuki; Sitko, Michael; Mayama, Satoshi; Kusakabe, Nobuyuki; Akiyama, Eiji (2015-06-04). "Near-IR High-Resolution Imaging Polarimetry of the SU Aur Disk: Clues for Tidal Tails?". The Astrophysical Journal. 806 (1): L10. arXiv:1505.03610Freely accessible. Bibcode:2015ApJ...806L..10D. doi:10.1088/2041-8205/806/1/L10. ISSN 2041-8213.
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