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Atmospheric calibration for submillimeter and terahertz observations

Published online by Cambridge University Press:  30 January 2013

Xin Guan ,
Jürgen Stutzki  and
Yoko Okada
Xin Guan
Affiliation:
I. Physikalisches Institut der Universität zu Köln, Zülpicher Straße 77, 50937 Köln, Germany email: [email protected]
Jürgen Stutzki
Affiliation:
I. Physikalisches Institut der Universität zu Köln, Zülpicher Straße 77, 50937 Köln, Germany email: [email protected]
Yoko Okada
Affiliation:
I. Physikalisches Institut der Universität zu Köln, Zülpicher Straße 77, 50937 Köln, Germany email: [email protected]
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Abstract

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Submillimeter observations through the atmosphere can be affected by the complex spectroscopic features of the air. Calibration of astronomical observations in these frequencies requires proper modelling of the atmosphere. We analyzed sky observations from altitudes around 500 and 200 hPa respectively and found deficiencies in atmospheric models. Further research to improve the models are expected to help in future submillimeter observations.

Keywords

Atmospheric effects — Submillimeter: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S288: Astrophysics from Antarctica , August 2012 , pp. 331 - 332
Copyright
Copyright © International Astronomical Union 2013

References

Graf, U. U., Heyminck, S., & Michael, E. A. 2003, SPIE 4855, 322Google Scholar
Guan, X., Stutzki, J., Graf, U. U.et al., 2012, A&A 542L, 4Google Scholar
Heyminck, S., Graf, U. U., Güsten, R.et al. 2012, A&A 542L, 1Google Scholar