the IRSF 1.4-m Telescope at South African Astronomical Observatory - - PDF document

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the IRSF 1.4-m Telescope at South African Astronomical Observatory - - PDF document

May 10, 2023 462 likes •770 views

Activity and Capability of the IRSF 1.4-m Telescope at South African Astronomical Observatory Setting up IRSF Observation at IRSF LMC survey N160 region Star Forming Regions M17, Lupus dark cloud Galactic Center Young stars?

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SLIDE 1

Activity and Capability of the IRSF 1.4-m Telescope at South African Astronomical Observatory

Tetsuya Nagata (Nagoya Univ)

Setting up IRSF Observation 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.

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SLIDE 2

IRSF 1.4m telescope

Alt-Az Mounting Pointing 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 SIRIUS WS Dome Sequencer Motor PC （DOS ） for Motor SIRIUS IR CAMERA TELESCOPE DOME : PC Motor

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SLIDE 3

Display

Sutherland Cape Town

South African Astronomical Observatory （ SAAO)

370km

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SLIDE 4

SAAO Sutherland station

IRSF SALT10m

+20 ゜48 ’ 38 ” ‐ 32 ゜ 22 ’ 48 ” Alt 1761m

SALT

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SLIDE 5

( 1761m

IRSF

IRSF Telescope & Dome

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SLIDE 6

Activity and Capability of the IRSF 1.4-m Telescope at South African Astronomical Observatory

Tetsuya Nagata (Nagoya Univ)

Setting up IRSF Observation at IRSF LMC survey → N160 region Star Forming Regions → M17, Lupus dark cloud Galactic Center → Young stars? Galactic Plane → Hidden Cluster of Galaxies?

IRSF (Nagoya Univ & Nishimura Ltd)

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SLIDE 7

1/ 5 Scale Model 1999.8 Welding Base 1999.10.07

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SLIDE 8

Bringing Base into Nishimura Factory 1999.11.19 Primary Cell & Top RIng 2000.1.7

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SLIDE 9

!/ 5 Scale Model Test (NagoyaU)1999.10.21 Arrived, in crates 2000.9.11

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SLIDE 10

Base Plates Adhesive 2000.9.11 Base Plates 2000.9.11

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SLIDE 11

Leveling Block 2000.9.12 Craning Base 2000.9.13

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SLIDE 12

Base Installed 2000.9.13 Leveling Rail

2000.9.14

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SLIDE 13

Turntable 2000.9.16 Turntable Installed 2000.9.16

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SLIDE 14

Centering Turntable 2000.9.16 Craning Fork 2000.9.17

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SLIDE 15

Forks Attached 2000.9.17 Craning Center Piece

2000.9.17

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SLIDE 16

Alt Az Perpendicularity Test 2000.9.18 Top RIng 2000.9.19

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SLIDE 17

Primary Cell 2000.9.20 Primary 2000.9.20

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SLIDE 18

IRSF Telescope & Dome

Activity and Capability of the IRSF 1.4-m Telescope at South African Astronomical Observatory

Tetsuya Nagata (Nagoya Univ)

Setting up IRSF Observation at IRSF LMC survey → N160 region Star Forming Regions → M17, Lupus dark cloud Galactic Center → Young stars? Galactic Plane → Hidden Cluster of Galaxies?

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SLIDE 19

IRSF Dome

7.5mφ Compressor etc Control Room

SinglePhase100V,230V, ThreePhase200V,380V

SIRIUS on Telescope 2000.11.30

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SLIDE 20

Inside SIRIUS Simultaneous 3- color IR Imager for Unbiased Survey Optics & Refrigerator

Three 1024x1024 arrays

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SLIDE 21

Sutherland

Spectroscopic nights

La Silla Sutherland

Photometric nights

La Silla

Conditions

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

Seeing

(DIMM Measurements)

(SAAO Newsletter 1994)

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SLIDE 22

2002 IRSF Weather

1 月

2 3 7 9 1 1 3 1 4 1 5 1 8 2 2 1 2 2 2 9 4 8 1 2 1 6 1 9 2 3 2 7 3 3 1 6 2 5 2 8 1 5 1 1 1 7 2 4 2 6

2 月

1 3 5 8 9 1 1 2 1 3 1 4 1 5 1 7 1 8 7 1 6 2 1 2 5 4 1 1 2 6 1 9 2 2 2 2 3 2 4 2 6 2 7 2 8

3 月

1 2 3 1 2 1 3 1 4 1 6 1 8 1 9 2 2 1 2 3 2 9 3 3 1 5 8 9 1 5 2 2 6 7 1 1 2 8 4 1 1 7 2 4 2 6 2 7

4 月

2 5 6 7 8 1 6 1 8 1 9 2 1 2 4 2 5 3 3 1 7 4 1 2 6 2 7 1 9 2 2 2 2 3 2 8 2 9

5 月

1 3 4 7 9 1 1 5 1 6 1 7 1 8 1 9 2 6 3 8 1 1 3 1 2 1 2 1 3 2 5 6 1 4 2 1 2 2 2 3 2 4 2 5 2 7 2 8 2 9

7 月

1 2 3 6 1 1 1 2 5 1 8 2 2 1 4 1 7 2 6 3 3 1 5 7 8 9 1 2 1 3 1 4 1 5 1 6 1 9 2 2 2 3 2 4 2 7 2 8 2 9

6 月

3 1 9 2 2 1 2 5 3 2 1 6 1 7 2 2 2 4 4 9 1 1 1 1 5 6 7 8 1 2 1 3 1 4 1 5 1 8 2 3 2 6 2 7 2 8 2 9

1 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

1 1 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

1 2 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

5 6 7 8 9 2 2 6 2 7 2 8 3 1 3 4 1 2 4 2 5 1 2 9 2 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 1 2 2 2 3 3

9 月

1 2 6 1 1 1 2 1 3 1 5 1 6 1 7 1 8 1 9 2 6 2 9 1 2 5 2 8 5 2 1 3 4 7 8 9 1 4 2 2 2 2 3 2 4 2 7 3

IRSF観測者

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SLIDE 23

Nagoya- SAAO Agreements (IRSF Entrance)

SAAO time

2002.2.12-2.18 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

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SLIDE 24

Activity and Capability of the IRSF 1.4-m Telescope at South African Astronomical Observatory

Tetsuya Nagata (Nagoya Univ)

Setting up IRSF Observation at IRSF LMC survey → N160 region Star Forming Regions → M17, Lupus dark cloud Galactic Center → Young stars? Galactic Plane → Hidden Cluster of Galaxies?

LMC Survey

  • Limiting Mag

Ks～17mag

  • 0.45"/pixel
  • Covers 6°× 6°

As of 2003. 3 As of 2003. 3 ～ ～70% Observed 70% Observed

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SLIDE 25

LMC

CO Hα Super Shell

LMC Herbig Ae/Be stars

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SLIDE 26

4882 stars

30 Dor （ Tarantula Nebula ）

SIRIUS 2-color diagram

AGN Interstellar Reddening Giants Main Seq

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SLIDE 27

Red Giants Young Still Younger Stars Stars

298 802

Young star selection

Av=5

Distribution

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SLIDE 28

Activity and Capability of the IRSF 1.4-m Telescope at South African Astronomical Observatory

Tetsuya Nagata (Nagoya Univ)

Setting up IRSF Observation at IRSF LMC survey → N160 region Star Forming Regions → M17, Lupus dark cloud Galactic Center → Young stars? Galactic Plane → Hidden Cluster of Galaxies? 5 Optical Image

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SLIDE 29

Lupus Dark Cloud (SIRIUS)

Optical Image 3arcmin.(～7.5pc) Quintuplet Arches

Galactic Center ( 1°× 1°)

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SLIDE 30

b=1.7 b=1.9 b=1.5 35’

Clear 12 Probable 26 Possible 40 The distribution

  • f galaxies

around PKS1343-601 Optical 1 2MASS 4

Activity and Capability of the IRSF 1.4-m Telescope at South African Astronomical Observatory 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