Simultaneous multicolor photometry of fast-moving objects using the 1-meter telescope at Xinglong Observatory

详细信息    查看全文

• 作者：YongNa Mao (1) (2) (3)
  XiaoMeng Lu (1) (2) (3)
  JianFeng Wang (1) (3)
  
• 关键词：fast ; moving celestial objects ; simultaneous multicolor observations ; astronomical telescope
• 刊名：SCIENCE CHINA Physics, Mechanics & Astronomy
• 出版年：2014
• 出版时间：March 2014
• 年：2014
• 卷：57
• 期：3
• 页码：562-568
• 全文大小：864 KB
• 参考文献：1. National Aeronautics and Space Administration. Near-Earth asteroid discovery statistics. 2012
  2. NASA Orbital Debris Program Office. Orbital debris quarterly news. 2012
  3. Kurgly Y N. Problems of CCD photometry of fast-moving asteroids. Solar Syst Res, 2004, 3: 241鈥?48 CrossRef
  4. Budding E, Demircan O. Introduction to Astronomical Photometry. New York: Cambridge University Press, 2007. 63鈥?5, 72鈥?2 CrossRef
  5. Mao Y D, Tang Z H, Zheng Y J, et al. The basic principle and the application in astronomy of CCD drift-scan. Prog Astron, 2005, 23: 304鈥?17
  6. Kouprianov V. Distinguishing features of CCD astrometry of faint GEO objects. Adv Space Res, 2008, 41: 1029鈥?038 CrossRef
  7. Jedrzejewski R I. Isophote shapes. In: de Zeeuw P T, eds. Proceedings of the IAU Symposium on Structure and Dynamics of Elliptical Galaxies, Princeton, 1987. 37鈥?6 CrossRef
  8. Jedrzejewski R I. CCD surface photometry of elliptical galaxies I. Observations, reduction and results. Mon Notic Roy Astron Soc, 1987, 226: 747鈥?68
  9. Wells L A. Photometry using IRAF. http://iraf.net/irafdocs/photom.ps.gz, 2004
  10. Howell S B. Introduction to differential time-series astronomical photometry using charge-coupled devices. Astron Soc Pac Conf Ser, 1992, 23: 105鈥?29
  11. Seitzer P, Cowardin H M, Barker E. et al. Optical photometric observations of GEO debris. In: Proceedings of the Advanced Maui Optical and Space Surveillance Technologies Conference, Maui, 2010
  12. Mao Y N, Jiang X J, Lu X M. A 3-channel CCD photometer at Xinglong Observatory. Res Astron Astrophys, 2013, 13: 239鈥?52 CrossRef
  13. Howell S B. Handbook of CCD Astronomy. New York: Cambridge University Press, 2006. 77鈥?00 CrossRef
  14. Massey P. A user guide to CCD reductions with IRAF. http://iraf.noao.edu/iraf/docs/ccduser3.ps.Z, 1997
  15. Abazajian K N, Adelman-McCarthy J K, Agueros M A, et al. The seventh data release of the Sloan Digital Sky Survey. Astrophys J Suppl Ser, 2009, 182: 543鈥?58 CrossRef
  16. Valdes F G, Campusano L E, Velasquez J D, et al. FOCAS automatic catalog matching algorithms. Publ Astron Soc Pac, 1995, 107: 1119鈥?128 CrossRef
  17. Howell S B. Handbook of CCD Astronomy. New York: Cambridge University Press, 2006. 73鈥?7 CrossRef
  18. Dymock R, Miles R. A method for determining the V magnitude of asteroids from CCD images. J Brit Astron Assoc, 2010, 119: 149鈥?56
  19. Krugly Y N, Belskaya I N, Shevchenko V G. The near-Earth objects follow-up program. Icarus, 2002, 158: 294鈥?04 CrossRef
  
• 作者单位：YongNa Mao (1) (2) (3)
  XiaoMeng Lu (1) (2) (3)
  JianFeng Wang (1) (3)
  
  1. National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China
  2. Graduate University of the Chinese Academy of Sciences, Beijing, 100049, China
  3. Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China
  
• ISSN：1869-1927

文摘

Simultaneous multicolor photometry of fast-moving objects is discussed in this paper. In conventional astronomical photometry, the accuracy of flux and color indices of fast-moving objects is affected by the variations of the targets and weather conditions in space and time domains. We optimize related techniques and methods of observation and data reduction, including image calibration, background fitting, targets detection and location, isophotal photometry, and flux calibration by using background stars from different fields. We consider that simultaneous multicolor data acquisition and differential flux calibration are critical for improving photometric accuracy of fast-moving objects. Our results show the photometric accuracy is better than 5% based on the observations carried out by a 1-meter telescope under ordinary, non-photometric conditions.