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Title: Characterisations of the HinOTORI telescope with a three-color imager at Ali Observatory in Western Tibet

Journal Article · · Journal of Instrumentation
 [1];  [2];  [3];  [4];  [4];  [5];  [3];  [6]
  1. Chinese Academy of Sciences, Nanjing (China); Hiroshima Univ. (Japan)
  2. Stanford Univ., Menlo Park, CA (United States). SLAC National Accelerator Lab.
  3. Chinese Academy of Sciences, Beijing (China)
  4. Hiroshima Univ. (Japan)
  5. Subaru Telescope, Hilo, HI (United States)
  6. Chinese Academy of Sciences, Nanjing (China)

HinOTORI is a new telescope supported by an international collaboration project between China and Japan. It is a 50 centimeter telescope equipped with simultaneous three-color imagers (u',RC, and IC bands). It is located at Ali Observatory at an altitude of 5100m. Thanks to the high altitude and extreme dryness, Ali site is one of the most suitable sites for optical astrometry. HinOTORI telescope aims at detecting optical transients such as the counterparts of gravitational wave (GW) sources, supernovae, gamma-ray bursts (GRB) and so on. This paper describes the site information, design of simultaneous three-color optical layout, system instruments and whole control system. We also report some telescope characterisations for three bands (u'/RC/IC) respectively, such as Hartmann constant (0.49"/0.56"/0.60"), best focus position (3.922/3.920/3.903 mm), PSF FWHM size (3.755/3.328/3.167pixels), total transmittance and limiting magnitude (15.69/17.57/17.05mag, 10 σ 30 seconds exposure time). With different airmass observation data, the atmospheric extinction coefficients of three bands (0.366/0.061/0.026) were also derived.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); NSFC
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1867505
Journal Information:
Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 01 Vol. 17; ISSN 1748-0221
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

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