Activity and Capability of the IRSF 1.4-m Telescope at South … · 2003. 3. 17. · IRSF 1.4m...

Activity and Capability of

the IRSF 1.4-m Telescopeat South African Astronomical Observatory

Tetsuya Nagata (Nagoya Univ)

Setting up IRSFObservation at IRSF　LMC survey　　　　→N160 region　Star Forming Regions

→M17, Lupus dark cloud　Galactic Center　　→Young stars?　Galactic Plane　　 → Hidden Cluster of Galaxies?

2000.11.15.

IRSF 1.4m telescope

Alt-Az MountingPointing 3" (All sky)Tracking 0.5"/ 30 min

Classical Cassegrain　F/9.9 (Primary F/2.9)

Image Quality:　　Hartmann Const 0.25"

IRSF control

PC（Linux）for Telescope

Encoder

SIRIUSWS

DomeSequencer

Motor

PC（DOS）for Motor

SIRIUS

IR CAMERA TELESCOPE DOME

: PC

Motor

　

Display

Sutherland

Cape Town

SouthAfricanAstronomicalObservatory（SAAO)

370km

SAAOSutherland station

IRSFSALT10m

+20゚ 48’38”‐32゚ 22’48”Alt 1761m

SALT

( 1761m

IRSF

IRSF Telescope & Dome






IRSF (Nagoya Univ &Nishimura Ltd)

1/5 Scale Model 1999.8

Welding Base 1999.10.07

Bringing Base into Nishimura Factory 1999.11.19

Primary Cell & Top RIng 2000.1.7

!/5 Scale Model Test (NagoyaU)1999.10.21

Arrived, in crates 2000.9.11

Base Plates Adhesive 2000.9.11

Base Plates 2000.9.11

Leveling Block 2000.9.12

Craning Base 2000.9.13

Base Installed 2000.9.13

Leveling Rail 2000.9.14

Turntable 2000.9.16

Turntable Installed 2000.9.16

Centering Turntable 2000.9.16

Craning Fork 2000.9.17

Forks Attached 2000.9.17

Craning Center Piece 2000.9.17

Alt Az Perpendicularity Test 2000.9.18

Top RIng 2000.9.19

Primary Cell 2000.9.20

Primary 2000.9.20

IRSF Telescope & Dome






IRSF　Dome　7.5mφ

Compressor etc

　　Control Room

SinglePhase100V,230V,　ThreePhase200V,380V

SIRIUS on Telescope 2000.11.30

Inside SIRIUS

Simultaneous 3-color IR Imager for Unbiased SurveyOptics & Refrigerator

Three 1024x1024 arrays

Sutherland

Spectroscopic nights

La Silla

Sutherland

Photometric nights

La SillaConditions

(Stobie et al. 1995, 　　　S.A.J.Sci.91, 557)

Seeing(DIMM

Measurements)

(SAAO Newsletter 　　　　　　　　　　1994)

2002 IRSF Weather

1月02 03 07 09 10 13 14 15 18 20 21 22 29

04 08 12 16 19 23 27 30 31

06 25 28

01 05 11 17 24 26

2月01 03 05 08 09 10 12 13 14 15 17 18

07 16 21 25

04 11

02 06 19 20 22 23 24 26 27 28

3月01 02 03 12 13 14 16 18 19 20 21 23 29 30 31

05 08 09 15 22

06 07 11 28

04 10 17 24 26 27

4月02 05 06 07 08 16 18 19 21 24 25 30

03 17

04 10 26 27

01 09 20 22 23 28 29

5月01 03 04 07 09 10 15 16 17 18 19 26 30

08 11 31

02 12 13 20

05 06 14 21 22 23 24 25 27 28 29

7月01 02 03 06 10 11 25

18 20 21

04 17 26 30 31

05 07 08 09 12 13 14 15 16 19 22 23 24 27 28 29

6月03 19 20 21 25 30

02 16 17 22 24

04 09 10 11

01 05 06 07 08 12 13 14 15 18 23 26 27 28 29

10月01 03 05 06 07 08 10 15 16 17 25 26 29 30 31

24

14 27

02 04 09 11 12 13 18 19 20 21 22 23 28

11月01 02 04 06 07 09 10 11 14 15 16 17 23 24 25 26 28 29 30

05 12 20 27

08 13 21 22

03 18 19

12月01 04 05 12 17 18 28

06 13 15 24 27 29

07 14 30

02 03 08 09 10 11 16 19 20 21 22 23 25 26 31

3/3: 142 2/3: 50 1/3: 39 0/3: 128

8月05 06 07 08 09 20 26 27 28 31

03 04 10 24 25

01 29

02 11 12 13 14 15 16 17 18 19 21 22 23 30

9月01 02 06 11 12 13 15 16 17 18 19 26 29

10 25 28

05 21

03 04 07 08 09 14 20 22 23 24 27 30

IRSF観測者

Nagoya-SAAO Agreements (IRSF Entrance)

SAAO time2002.2.12-2.18 Vrielmann (UCT), Woudt (UCT), Potter (SAAO) Accretion Discs

2002.3.14-3.19 Feast (UCT), Whitelock (SAAO), Tanabe (U Tokyo), Menzies (SAAO) AGB Variables

2002.3.20-3.25 Woudt (UCT) Cataclysmic Variable

2002.5.7-5.13 Cunow (Unisa) Seyfert galaxies

2002.6.11-6.17 Feast (UCT), Menzies (SAAO), Tanabe (U Tokyo), Leeuw, Whitelock (SAAO) AGB Variables

2002.6.18-24 Woudt (SAAO), Nagayama, Sato (Nagoya U), Kraan-Kortweg (Guanajuato, Mexico), Schroeder (Cote d'Azur, France) Great Attractor

2002.6.18-24 Glass (SAAO) ISOGAL fields

2002.6.25-7.1 Baliyan, Joshi (PRL, India), Glass (SAAO), Shulthesis (IAP, France) Galactic Inner Molecular Ring

2002.7.9-7.15 Baliyan, Joshi (PRL, India), Glass (SAAO), Shulthesis (IAP, France) Galactic Inner Molecular Ring

2002.8.21-8.27 Feast (UCT), Menzies (SAAO), Tanabe (U Tokyo), Leeuw, Whitelock (SAAO) AGB Variables

2002.10-12 Koen (SAAO), Woudt (UCT) Brown Dwarfs

2002.10-12 Feast (UCT), Menzies (SAAO), Tanabe (U Tokyo), Leeuw, Whitelock (SAAO), Ita, Matsunaga (U Tokyo) AGB Variables






LMC Survey

• Limiting Mag　　　Ks～17mag

• 0.45"/pixel

• Covers 6°× 6°

As of 2003. 3 As of 2003. 3

～～70% Observed70% Observed

LMC

CO

Hα

Super Shell

LMCHerbigAe/Bestars

4882 stars

30 Dor（Tarantula Nebula）

SIRIUS2-color diagram

AGN

InterstellarReddening

Giants

Main Seq

　　 Red Giants

　　　　　　Young Still Younger

Stars Stars

298　　　　　 802

Young star selection

Av=5

Distribution






5

Optical Image

Lupus Dark Cloud (SIRIUS)

　　

Optical Image

3arc

min

.(～

7.5p

c)

Quintuplet

Arches

Galactic Center ( 1°× 1°)

b=1.7

b=1.9

b=1.5

35’

Clear 12Probable 26Possible 40

The distribution of galaxies

aroundPKS1343-601

Optical 12MASS 4



SIRIUS FoV: 8'×8'Limiting Mag (10 min Obs, 5 min Integ):

19 mag (J: 1.2 µm)18 mag (H: 1.6 µm)17 mag (Ks: 2.2 µm) 10-sigma

Activity and Capability of the IRSF 1.4-m Telescope at South … · 2003. 3. 17. · IRSF 1.4m...

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