Imaging spectroscopy of the Venus 1.27-μm O                         2                          airglow with ground-based telescopes

S. Ohtsuki; N. Iwagami; H. Sagawa; M. Ueno; Y. Kasaba; T. Imamura; E. Nishihara

doi:10.1016/j.asr.2007.10.014

Imaging spectroscopy of the Venus 1.27-μm O ₂ airglow with ground-based telescopes

S. Ohtsuki, N. Iwagami, H. Sagawa, M. Ueno, Y. Kasaba, T. Imamura, E. Nishihara

Research output: Contribution to journal › Article

16 Citations (Scopus)

Abstract

Several ground-based observations of the Venus 1.27-μm O ₂ airglow were carried out from 2002 to 2005. Spectral image cubes were taken with the Okayama Astrophysical Observatory/infrared imaging spectrometer (superOASIS), the Gunma Astronomical Observatory/Cassegrain Near-Infrared Camera and NASA's Infrared Telescope Facility/cryogenic echelle spectrograph (CSHELL). The brightest airglow features were found at around the anti-solar point, which is in agreement with previous studies. We derived the rotational temperature distributions on the nightside hemisphere from observed airglow spectra. The temperature shows a weak positive correlation with the airglow intensity. The result indicates the bright region is heated chemically and/or dynamically, and supports the existing scenario for the Venus O ₂ airglow. That is, the airglow is excited by the descending oxygen transported from the dayside.

Original language	English
Pages (from-to)	1375-1380
Number of pages	6
Journal	Advances in Space Research
Volume	41
Issue number	9
DOIs	https://doi.org/10.1016/j.asr.2007.10.014
Publication status	Published - 2008
Externally published	Yes

Keywords

Airglow
Ground-based observation
Near infrared
Rotational temperature
Spectroscopy
Venus

ASJC Scopus subject areas

Aerospace Engineering
Astronomy and Astrophysics
Geophysics
Atmospheric Science
Space and Planetary Science
Earth and Planetary Sciences(all)

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Ohtsuki, S., Iwagami, N., Sagawa, H., Ueno, M., Kasaba, Y., Imamura, T., & Nishihara, E. (2008). Imaging spectroscopy of the Venus 1.27-μm O ₂ airglow with ground-based telescopes Advances in Space Research, 41(9), 1375-1380. https://doi.org/10.1016/j.asr.2007.10.014

Imaging spectroscopy of the Venus 1.27-μm O ₂ airglow with ground-based telescopes . / Ohtsuki, S.; Iwagami, N.; Sagawa, H.; Ueno, M.; Kasaba, Y.; Imamura, T.; Nishihara, E.

In: Advances in Space Research, Vol. 41, No. 9, 2008, p. 1375-1380.

Research output: Contribution to journal › Article

@article{437d4ce090cf418a840460cc84e91b89,

title = " Imaging spectroscopy of the Venus 1.27-μm O 2 airglow with ground-based telescopes ",

abstract = " Several ground-based observations of the Venus 1.27-μm O 2 airglow were carried out from 2002 to 2005. Spectral image cubes were taken with the Okayama Astrophysical Observatory/infrared imaging spectrometer (superOASIS), the Gunma Astronomical Observatory/Cassegrain Near-Infrared Camera and NASA's Infrared Telescope Facility/cryogenic echelle spectrograph (CSHELL). The brightest airglow features were found at around the anti-solar point, which is in agreement with previous studies. We derived the rotational temperature distributions on the nightside hemisphere from observed airglow spectra. The temperature shows a weak positive correlation with the airglow intensity. The result indicates the bright region is heated chemically and/or dynamically, and supports the existing scenario for the Venus O 2 airglow. That is, the airglow is excited by the descending oxygen transported from the dayside.",

keywords = "Airglow, Ground-based observation, Near infrared, Rotational temperature, Spectroscopy, Venus",

author = "S. Ohtsuki and N. Iwagami and H. Sagawa and M. Ueno and Y. Kasaba and T. Imamura and E. Nishihara",

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AU - Ohtsuki, S.

AU - Iwagami, N.

AU - Sagawa, H.

AU - Ueno, M.

AU - Kasaba, Y.

AU - Imamura, T.

AU - Nishihara, E.

PY - 2008

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AB - Several ground-based observations of the Venus 1.27-μm O 2 airglow were carried out from 2002 to 2005. Spectral image cubes were taken with the Okayama Astrophysical Observatory/infrared imaging spectrometer (superOASIS), the Gunma Astronomical Observatory/Cassegrain Near-Infrared Camera and NASA's Infrared Telescope Facility/cryogenic echelle spectrograph (CSHELL). The brightest airglow features were found at around the anti-solar point, which is in agreement with previous studies. We derived the rotational temperature distributions on the nightside hemisphere from observed airglow spectra. The temperature shows a weak positive correlation with the airglow intensity. The result indicates the bright region is heated chemically and/or dynamically, and supports the existing scenario for the Venus O 2 airglow. That is, the airglow is excited by the descending oxygen transported from the dayside.

KW - Airglow

KW - Ground-based observation

KW - Near infrared

KW - Rotational temperature

KW - Spectroscopy

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