Journal of The Korean Astronomical Society (천문학회지)

The Korean Astronomical Society (한국천문학회)
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THE NIGHT SKY SPECTRUM OF MOUNT BOHYUN

  • SHEEN YUN-KYEONG (Yonsei University Observatory and Department of Astronomy) ;
  • BYUN YONG-IK (Yonsei University Observatory and Department of Astronomy)
  • Published : 2004.06.01
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Abstract

Spectrophotometry of the night sky over Mount Bohyun is presented for the nearly entire visible wavelengths of $3600{\~}$8600{\AA}$. The data was obtained under moonless clear sky in February 2004 with the 1.8-m telescope and the long slit spectrograph. The sky spectrum shows a number of strong emission lines originated from light pollution, especially due to high pressure sodium lamps. When compared to the night sky of Kitt Peak, our sky continuum is 1 to 2 magnitude brighter at all wavelengths, the worst being around the broad emission region near 6000${\AA}$. The night sky spectrum presented here with almost complete line identifications is a useful reference for arc-independent wavelength calibrations to check the gravity flexure of the spectrograph and the wavelength shift between FeNeArHe arc frames and science frames.

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References

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  2. Contributions of artificial lighting sources on light pollution in Hong Kong measured through a night sky brightness monitoring network vol.139, 2014, https://doi.org/10.1016/j.jqsrt.2013.12.014
  3. The Night Sky Spectrum of Xinglong Observatory: Changes from 2004 to 2015 vol.128, pp.968, 2016, https://doi.org/10.1088/1538-3873/128/968/105004
  4. Slitless spectrograph for small telescopes: First results vol.29, pp.3, 2013, https://doi.org/10.3103/S0884591313030057