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

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? Galactic Plane → Hidden Cluster of Galaxies? Tetsuya Nagata (Nagoya Univ) 2000.11.15.

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 ） SIRIUS PC WS for Telescope （ DOS ） PC Dome for Motor Sequencer SIRIUS Motor Encoder Motor IR CAMERA TELESCOPE DOME

Display South African Sutherland Astronomical Observatory 370km （ SAAO) Cape Town

SAAO ゜ 48 ’ ” +20 38 ‐ ゜ ’ ” Sutherland station 32 22 48 Alt 1761m IRSF SALT10m SALT

( 1761m IRSF IRSF Telescope & Dome

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? Galactic Plane → Hidden Cluster of Galaxies? Tetsuya Nagata (Nagoya Univ) 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 2000.9.14 Leveling Rail

Turntable 2000.9.16 Turntable Installed 2000.9.16

Centering Turntable 2000.9.16 Craning Fork 2000.9.17

Forks Attached 2000.9.17 2000.9.17 Craning Center Piece

Alt Az Perpendicularity Test 2000.9.18 Top RIng 2000.9.19

Primary Cell 2000.9.20 Primary 2000.9.20

IRSF Telescope & Dome 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? Galactic Plane → Hidden Cluster of Galaxies? Tetsuya Nagata (Nagoya Univ)

Dome 7.5m φ IRSF Compressor etc Control Room SinglePhase100V,230V, ThreePhase200V,380V SIRIUS on Telescope 2000.11.30

Inside SIRIUS Simultaneous 3- color IR Imager for Unbiased Survey Optics & Refrigerator Three 1024x1024 arrays

Sutherland Photometric nights La Silla Conditions Sutherland Spectroscopic nights La Silla (Stobie et al. 1995, S.A.J.Sci.91, 557) Seeing (DIMM Measurements) (SAAO Newsletter 1994)

1 月 2 月 3 月 0 2 0 3 0 7 0 9 1 0 1 3 1 4 1 5 1 8 2 0 2 1 2 2 2 9 0 1 0 3 0 5 0 8 0 9 1 0 1 2 1 3 1 4 1 5 1 7 1 8 0 1 0 2 0 3 1 2 1 3 1 4 1 6 1 8 1 9 2 0 2 1 2 3 2 9 3 0 3 1 0 4 0 8 1 2 1 6 1 9 2 3 2 7 3 0 3 1 0 7 1 6 2 1 2 5 0 5 0 8 0 9 1 5 2 2 0 6 2 5 2 8 0 4 1 1 0 6 0 7 1 1 2 8 0 1 0 5 1 1 1 7 2 4 2 6 0 2 0 6 1 9 2 0 2 2 2 3 2 4 2 6 2 7 2 8 0 4 1 0 1 7 2 4 2 6 2 7 4 月 5 月 6 月 0 2 0 5 0 6 0 7 0 8 1 6 1 8 1 9 2 1 2 4 2 5 3 0 0 1 0 3 0 4 0 7 0 9 1 0 1 5 1 6 1 7 1 8 1 9 2 6 3 0 0 3 1 9 2 0 2 1 2 5 3 0 0 3 1 7 0 8 1 1 3 1 0 2 1 6 1 7 2 2 2 4 0 4 1 0 2 6 2 7 0 2 1 2 1 3 2 0 0 4 0 9 1 0 1 1 0 1 0 9 2 0 2 2 2 3 2 8 2 9 0 5 0 6 1 4 2 1 2 2 2 3 2 4 2 5 2 7 2 8 2 9 0 1 0 5 0 6 0 7 0 8 1 2 1 3 1 4 1 5 1 8 2 3 2 6 2 7 2 8 2 9 7 月 8 月 9 月 0 1 0 2 0 3 0 6 1 0 1 1 2 5 0 5 0 6 0 7 0 8 0 9 2 0 2 6 2 7 2 8 3 1 0 1 0 2 0 6 1 1 1 2 1 3 1 5 1 6 1 7 1 8 1 9 2 6 2 9 1 8 2 0 2 1 0 3 0 4 1 0 2 4 2 5 1 0 2 5 2 8 0 4 1 7 2 6 3 0 3 1 0 1 2 9 0 5 2 1 0 5 0 7 0 8 0 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 0 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 0 0 3 0 4 0 7 0 8 0 9 1 4 2 0 2 2 2 3 2 4 2 7 3 0 1 0 月 1 1 月 1 2 月 01 03 05 06 07 08 10 15 16 17 25 26 29 30 31 01 02 04 06 07 09 10 11 14 15 16 17 23 24 25 26 28 29 30 01 04 05 12 17 18 28 24 05 12 20 27 06 13 15 24 27 29 14 27 08 13 21 22 07 14 30 02 04 09 11 12 13 18 19 20 21 22 23 28 03 18 19 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 2002 IRSF Weather IRSF 観測者

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

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? Galactic Plane → Hidden Cluster of Galaxies? Tetsuya Nagata (Nagoya Univ) LMC Survey • Limiting Mag Ks ～ 17mag • 0.45"/pixel • Covers 6 °× 6 ° As of 2003. 3 As of 2003. 3 ～ 70% Observed ～ 70% Observed

CO H α Super Shell LMC LMC Herbig Ae/Be stars

30 Dor （ ） Tarantula Nebula 4882 stars Interstellar Reddening Giants Main Seq AGN SIRIUS 2-color diagram

Young star selection Red Giants Young Still Younger Stars Stars 802 298 Av=5 Distribution

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? Galactic Plane → Hidden Cluster of Galaxies? Tetsuya Nagata (Nagoya Univ) 5 Optical Image

Optical Image Lupus Dark Cloud (SIRIUS) Quintuplet Galactic Center ( 1 °× 1 ° ) Arches 3arcmin.( ～ 7.5pc)

The distribution b=1.9 of galaxies around PKS1343-601 b=1.7 Optical 1 2MASS 4 Clear 12 b=1.5 Probable 26 Possible 40 35’ 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 µ m) 18 mag (H: 1.6 µ m) 17 mag (Ks: 2.2 µ m) 10-sigma