1. Current Status of Lulin Observatory Hung-Chin Lin hclin@astro.ncu.edu.tw Taiwan

2. Lulin Observatory Taiwan

3. Artificial Night Sky Brightness (Cinzano et al., ’01)

4. CKS Airport IANCU Lulin Obs. 2,862 m >4,000 m

5. Day

6. Night Night Sky background (2004) U=21.66 mag/arcsec 2 B=21.85 mag/arcsec 2 V=21.09 mag/arcsec 2 R=20.71 mag/arcsec 2 I =19.18 mag/arcsec 2

7. Total=1791.5 hours Lulin Obs. Time Statistic Lulin Obs. Time Statistic (20030114~20040113) hour

8. Seeing Statistic

9. Development Site Survey Site Survey Station SLT Observatory TAOS Telescopes LOT TelescopeBird’s Eye View 19891990199720011998 2000 2002 ．．．

10. 0.6km

11. Lulin observatory LELIS SLT LOT NCKU ELF TAOS B TAOS A TAOS C TAOS D ARS

12. Cassegrain optics D =1,000mm f.l.=8,000mm Fork type equatorial mount Fully Computer Control Lulin One-meter Telescope (LOT)

13. PI 1300B CCD Filter Wheel Autoguider (ST-8) Autoguider (ST-8) Instrumenation

14. LOT Time Allocation Observing programs

15. Red circles: optical telescopes Green circles: radio/mm telescopes Black crosses: VLBA antennas WEBT (WHOLE EARTH BLAZAR TELESCOPE) S5 0716+714, November 06 - 20, 2003 Simultaneous Multiwavelength and INTEGRAL observations of S5 0716+714 Lulin ObservatoryLulin Observatory - Lulin, Taiwan http://www.lsw.uni- heidelberg.de/users/l ostorer/0716/0716- nov2003.html

16. Lulin

17. We found the GRB031203 candidate near S1 XMM-NEWTON ~ R.A.=8h 2m 30.3s ; Dec.= -39deg 51' 2.4" Lulin Observatory ~ R.A.=8h 2m 30.1s ; Dec.= -39deg 51' 3.3" Image taken by C.H. Hsia & H.C. Lin

18. SNe Search and follow-up SNe Search and follow-up

19. SUPERNOVA 2004cy IN ESO 403-G9 Before After Circular No. 8364 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION SUPERNOVA 2004cy IN ESO 403-G9 Y. Chen, Z. Lin, K. Huang, H. Lin, and W. Ip, Institute of Astronomy, National Central University, Tawain; and Y. Qiu and J. Hu, National Astronomical Observatories of China, report the discovery of an apparent supernova (mag about 15.6) on unfiltered CCD images taken on Apr. 5.87 UT with the 1-m Lulin Observatory telescope. SN 2004cy is located at R.A. = 21h34m25s.67, Decl. = -33o23'13".7 (equinox 2000.0), which is 25".7 west and 6".1 south of the center of ESO 403-G9. Approximate unfiltered magnitudes for the new object: 2003 Oct. 31, [19.0; 2004 Apr. 25.83, 17.5; May 27.77, 17.8; 28.77, 17.9; June 9.80, 18.2; 25.77, 18.2; 26.77, 18.4; 27.74, 18.3. First SUPERNOVA in Taiwan!!!

20. TAOS Taiwan-America Occultation Survey Taiwan-America Occultation Survey Four 50cm robotic telescope Four 50cm robotic telescope ASIAA/LLNL/NCU/UoP/Yonsei ASIAA/LLNL/NCU/UoP/Yonsei

21. LELIS Lulin Emission Line Imaging Survey

22. NCKU Red Spite Project

23. TEN - Taiwan Earthshine Network NTHU

24. Environmental Monitoring

25. Welcome to visit us!

26. National Central University No. 300 Jung-da Road, Chung-li, 320 Taiwan, R.O.C. Phone ： 886-3-4227151 ‧ FAX ： 886-3-4226062 Copyright (c) 2004 National Central University All Rights Reserved. http://www.ncu.edu.tw