Transcript Korean Activities in IR Space Missions: Past, Current and Future

Korean Activities in IR Space Missions
- Past, Current and Future Woong-Seob Jeong1
on behalf of
Korean Infrared Astronomy Group
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KASI, Korea
Ramada Hotel, Jeju, 2nd AKARI Converence, 2012/02/27 ~ 02/29
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Infrared Projects in Korea
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Experience in the near-IR space instrument
Data analysis & scientific research in IR range
AKARI
DR Pipeline
Science Collaborations
Space
IR
MIRIS
Compact Space IR
Camera
CIBER
Near-IR Camera
PSICS
Ground
IR
IR Cryogenic
System
KASINICS
Ground Near-IR
Camera
IGRINS
Ground Near-IR
Spectrometer
2004 2006 2008 2010 2012 2014 2016
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Participation to AKARI Project
• Development of data reduction pipeline
 Collaborative Work: ESA, ISAS, SNU
 SNU: optical simulation, observing simulation,
modules of data reduction pipeline for FIS (FarInfrared Surveyor)
Simulated images
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Scientific Products from AKARI
CIB detected in NEP Field
90m point source map
SNR detection in LMC
Sky brightness map @ 9m
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Technical Development (1/3)
• Development of our own IR instrument: KASI
Near-Infrared Camera (KASINICS)
 Optical system including mirror
 Mechanics and cryogenics
 Electronics
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Technical Development (2/3)
• Scientific observations with KASINICS @ Bohyun
 FoV : 3.3’x 3.3’(pixel: 0.39”)
 J, H, Ks, L, H2, and H3+ bands
NIR Light curve of
Sw J1644+57
(Gupta et al. 2009)
(Burrows et al. 2011)
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Technical Development (3/3)
• Proto-model of space infrared cryogenic system
(PSICS)
 Small mechanical cooler
 Cooling system down to 77K
 Space use
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Space Observation Program
• Science & Technology Satellite Series in Korea
 1st satellite: FIMS (Far-ultraviolet Imaging Spectrograph) (2003)
 2nd Satellite: Observation of Space environment by Korean
Launcher Naro
 3rd Satellite: MIRIS (Multipurpose Infrared Imaging System)
(Seon et al. 2011)
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ST-Satellite III
• Primary payload : MIRIS
 Wide-Area Survey in Near-Infrared
 Galactic Plane Survey in Paschen  emission line
 Observation of Low Background Region in Wide bands
MIRIS
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Specifications of MIRIS
• Specifications of Space Observation Camera
 Wavelength: 0.9 ~ 2m
− Aperture: 80 mm
 Detector FOV: 3.67o x 3.67o (Pixel : 51.6 arcsec)
(c.f. Nyq. sampling @ 1.6m = 4.1 arcsec)
→ limited by satellite stability
 Telescope & Sensor Temp.: 180K (Passive Cooling), 90K
 Filters (5 filters)
 I (1.05m), H (1.6m), blank
 Pa  (1.876m), Pa  Cont
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Pa Emission Line Survey
• Galactic Plane, WIM
Origin of Warm Ionized Medium
 Previous study of WIM: Photoionization model
 Recent study of WIM from FIMS: dust scattering
 Verification of the dust scattering theory
Physical Properties of Interstellar Turbulence
Observation: Pa survey
 Comparison between Pa (MIRIS) vs. H
•
Monte-Carlo simulation
 Uniform dust distribution;
E(B-V) = 0.1
 Point source or Spherical
H II region
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Observation for CIB
• Cosmic Infrared Background in Near-IR band
 CIB from POP III stats
 Spectral peak of CIB
 Large-scale fluctuation of CIB
Totani et al. 2001
IRTS/NIRS
DIRBE/COBE
Wright and Rees 2000
Madau and Pozzetti 2000
Fazio et al. 2004
model by Totani et al. 2001
Cambrecy et al. 2001
Bernstein et al. 2002
residual_summary
Matsumoto et al. 2005
Large-scale structure of CIB from IRTS observation
Surface brightness (nW/m2/sr)
100
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0.2
0.4
0.6
0.8
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3
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Wavelength (m)
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Zodiacal Foreground
• Calibration purpose: 2 orbits /day
• Simultaneous observation of NEP & SEP in 1 orbit
• Monitoring of ZL in SEP and NEP: I & H bands
 Revision of ZL Model & Removal of ZL component
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CIBER
• Sounding Rocket Payload
• Imagers
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Wavelength: 0.9 ~ 2m
FOV: 2o x 2o (pixel = 7 arcsec)
Sensor Temp.: 77K
Filters (2 filters)
− Aperture: 110 mm
 I (1.0m), H (1.6m)
• Spectrometers
 LRS (Low Resolution)
 NBS (Narrow Band)
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Future Project
• Ground telescope: GMT
• Space Telescope
 Synergy with GMT
 International collaboration
 New technical challenge
• SPICA Project
 Near-infrared instrument (heritage from MIRIS)
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Summary
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International collaborations in the big projects
Large Infrared Space Telescope in Korea
AKARI
DR Pipeline
SPICA FPC
Science Collaborations
Space
IR
MIRIS
Compact Space IR
Camera
CIBER
CIBER II
Near-IR Camera
Ground
IR
PSICS
GMTNIRS
IR Cryogenic
System
KASINICS
Ground Near-IR
Camera
GMT Near-IR
Spectrometer
IGRINS
Ground Near-IR
Spectrometer
2004 2006 2008 2010 2012 2014 2016
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