1 / 21

南極テラヘルツ干渉計

南極テラヘルツ干渉計. 松尾　宏 Hiroshi Matsuo Advanced Technology Center, National Astronomical Observatory. THz gap. Closing the Far-IR Spatial Resolution Gap. A KARI SOFIA Herschel SPICA. ASTE. Subaru. Original from W.Wild. 観測視野の比較. 27 分角. Suprime-Cam の視野. ＡＬＭＡの視野 @100GHz. ＳＣＵＢＡの視野. 34 分角.

arella
Download Presentation

南極テラヘルツ干渉計

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 南極テラヘルツ干渉計 松尾　宏 Hiroshi Matsuo Advanced Technology Center, National Astronomical Observatory

  2. THz gap Closing the Far-IR Spatial Resolution Gap AKARI SOFIA Herschel SPICA ASTE Subaru Original from W.Wild

  3. 観測視野の比較 27分角 Suprime-Camの視野 ＡＬＭＡの視野@100GHz ＳＣＵＢＡの視野 34分角 1000素子カメラの視野口径10m鏡@650GHz

  4. Probe of Distant Universe • Interstellar DUST SMM observation of ULIRGs • Hot Plasma Sunyaev-Zel’dovich Effect • Heavy Metal Far-IR atomic lines

  5. FIR atomic fine structure lines • OI • 63.185mm 4.745THz 5.0×105 cm-3 • 145.54mm 2.060THz 1.5×105 cm-3 • OIII 35.1eV • 51.815mm 5.786THz 3.4×103 cm-3 • 88.356mm 3.393THz 5.0×102 cm-3 • NII 14.5eV • 121.80mm 2.461THz 2.8×102 cm-3 • 205.30mm 1.460THz 4.5×101 cm-3 • NIII 29.6eV • 57.330mm 5.229THz 3×103 cm-3 • CII 11.3eV • 157.68mm 1.901THz 2.7×103 cm-3

  6. FIR SED of Starburst galaxies • OI, OIII • NII, NIII • CII Fischer et al. (1999)

  7. Carina Nebula by ISO LWS CIIは相対的に弱い Mizutani, Onaka, Shibai. (2002)

  8. Keyhole Nebula & Carina Nebula CO(3-2) 345GHz 40’x40’ 1.2mm continuumand Ha images Brooks et al. 2005 Yamaguchi et al. 2003

  9. [CII]158umMap & Hα • 噴出速度650km/s を • 仮定すると～6000年 N. Smith 2002

  10. [NII]122μm [OIII]88μm Map with FIS-FTS • [NII] 122μm • ηCar本星でピーク • [OIII] 88μm • 本星の北西でピーク 空間分解能　32”

  11. [OIII]88μm　電離源 N. Smith et al 2004 Keyhole • [OIII]は[NII][CII] • 　に比べて全体的に • 　強い ηCar O型星 Brooks et al 2000

  12. 南極高地でのサイト開発 • Dome-A (China, Australia, USA, UK) • 650GHz radiometer (Pre-HEAT) • THz-FTS atmospheric measurement (2010-) • Kunlun(昆仑) station 2011-2015 plan • 3x50cm optical telescope, 5-m THz telescope • Dome-F (Japan) • IR telescope (Tohoku U.) • THz telescope (Tsukuba U.) • Dome-C (Italia, France) • THz telescope at Concordia station • Brain bolometric interferometer experiment

  13. [NII]205um [NII]122um [OI]63um [NIII]57um [CII]158um [OI]145um [OIII]88um [OIII]52um 3.4 THz 5.8 THz

  14. FIR atomic fine structure lines • OI good median • 63.185mm 4.745THz × 0% 0% • 145.54mm 2.060THz △ 4% 0% • OIII • 51.815mm 5.786THz ○ 15% 1.5% • 88.356mm 3.393THz ○ 12% 1.5% • NII • 121.80mm 2.461THz × 0% 0% • 205.30mm 1.460THz ○ 35% 15% • NIII • 57.330mm 5.229THz △ 2% 0% • CII • 157.68mm 1.901THz △ 3% 0%

  15. Observing sensitivity • NEFD(Noise Equivalent Flux Density) • Heterodyne receivers • Direct detectors

  16. Comparison of Sensitivity direct (red) vs. heterodyne (blue)

  17. 南極遠赤外線干渉計 • ハーシェル望遠鏡（口径3.5m）の分解能を超える遠赤外線観測を実現する。 • 仕様 • 口径1m以上 • 基線10m以上 • 波長域　30mm-2mm • 焦点面アレイにより広視野観測を実現する • 観測対象 • 原始惑星系円盤の中間赤外線高分解能観測 • 系外銀河の星形成領域の遠赤外線分光観測 • サブミリ波銀河の高分解能観測 • 銀河団プラズマの高分解能SZ効果観測

  18. by QJY

  19. OIII観測の魅力 • 大質量星形成領域の詳細観測 • UV放射強度および電子密度 • 遠方宇宙の大質量星形成領域のプローブ • z > 6ではALMAによる観測が可能 • 宇宙再電離の解明 まずは、南極テラヘルツ干渉計から始めよう！

  20. Space THz InterferometerThe Road Map SPECS SPIRIT FIRI ESPRIT SPICA Millimetron AKARI Herschel Spitzer

More Related