1

Korean Activities in IR Space Missions

- Past, Current and Future -Woong-Seob Jeong1

on behalf ofKorean Infrared Astronomy Group

1 KASI, Korea

Ramada Hotel, Jeju, 2nd AKARI Converence, 2012/02/27 ~ 02/29

2

Infrared Projects in Korea• Experience in the near-IR space instrument• Data analysis & scientific research in IR range

Space IR

Ground IR

2004 2006 2008 2010 2012 2014 2016

KASINICSGround Near-IR Camera

PSICSIR Cryogenic System

CIBERNear-IR Camera

AKARI DR Pipeline Science Collaborations

MIRISCompact Space IR Camera

IGRINSGround Near-IR Spectrometer

3

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 (Far-Infrared Surveyor)

Simulated images

4

Scientific Products from AKARI

90m point source map

SNR detection in LMCSky brightness map @ 9m

CIB detected in NEP Field

5

Technical Development (1/3)

• Development of our own IR instrument: KASI Near-Infrared Camera (KASINICS) Optical system including mirror Mechanics and cryogenics Electronics

6

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

(Gupta et al. 2009) (Burrows et al. 2011)

NIR Light curve of Sw J1644+57

7

Technical Development (3/3)

• Proto-model of space infrared cryogenic system (PSICS) Small mechanical cooler Cooling system down to 77K Space use

8

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)

9

ST-Satellite III

• Primary payload : MIRIS Wide-Area Survey in Near-Infrared

Galactic Plane Survey in Paschen emission lineObservation of Low Background Region in Wide

bands

MIRIS

10

Specifications of MIRIS

• Specifications of Space Observation Camera Wavelength: 0.9 ~ 2m − Aperture: 80 mm Detector FOV: 3.67o x 3.67o (Pixel : 51.6 arcsec) (c.f. Nyq. sampling @ 1.6m = 4.1 arcsec) → limited by satellite stability Telescope & Sensor Temp.: 180K (Passive Cooling), 90K Filters (5 filters)

I (1.05m), H (1.6m), blank Pa (1.876m), Pa Cont

11

Pa Emission Line Survey

• Galactic Plane, WIMOrigin of Warm Ionized Medium Previous study of WIM: Photoionization model Recent study of WIM from FIMS: dust scattering Verification of the dust scattering theoryPhysical Properties of Interstellar TurbulenceObservation: 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

12

Observation for CIB

• Cosmic Infrared Background in Near-IR band CIB from POP III stats Spectral peak of CIB Large-scale fluctuation of CIB

Matsumoto et al. 2005

Large-scale structure of CIB from IRTS observation

10

100

0.2 0.4 0.6 0.8 1 3 5

residual_summary

IRTS/NIRS

model by Totani et al. 2001

Totani et al. 2001

Bernstein et al. 2002

DIRBE/COBEWright and Rees 2000 Fazio et al. 2004

Madau and Pozzetti 2000

Cambrecy et al. 2001

Surfa

ce b

right

ness

(n

W/m

2/s

r)

Wavelength (m)

13

• 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

Zodiacal Foreground

14

CIBER

• Sounding Rocket Payload • Imagers

Wavelength: 0.9 ~ 2m − Aperture: 110 mm FOV: 2o x 2o (pixel = 7 arcsec) Sensor Temp.: 77K Filters (2 filters)

I (1.0m), H (1.6m)

• Spectrometers LRS (Low Resolution) NBS (Narrow Band)

15

Future Project

• Ground telescope: GMT

• Space Telescope Synergy with GMT International collaboration New technical challenge

• SPICA Project Near-infrared instrument (heritage from

MIRIS)

16

Summary• International collaborations in the big projects • Large Infrared Space Telescope in Korea

Space IR

Ground IR

2004 2006 2008 2010 2012 2014 2016

KASINICSGround Near-IR Camera

PSICSIR Cryogenic System

CIBERNear-IR Camera

AKARI DR Pipeline Science Collaborations

MIRISCompact Space IR Camera

IGRINSGround Near-IR Spectrometer

SPICA FPC

CIBER II

GMTNIRSGMT Near-IR Spectrometer