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Atmospheric transmi...
Atmospheric transmission at Dome C between 0 and 10 THz
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- Schneider, N. (författare)
- Centre national de la recherche scientifique (CNRS)
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- Minier, V. (författare)
- Centre national de la recherche scientifique (CNRS)
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- Durand, G. (författare)
- Centre national de la recherche scientifique (CNRS)
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- Tremblin, P., (författare)
- Centre national de la recherche scientifique (CNRS)
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- Urban, Joachim, 1964 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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Baron, P. (författare)
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(creator_code:org_t)
- 2009-12-24
- 2010
- Engelska.
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Ingår i: EAS Publications Series. - : EDP Sciences. - 1633-4760 .- 1638-1963. ; 40, s. 327-332
- Relaterad länk:
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http://dx.doi.org/10...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- We present model calculations of the atmospheric transmission for DOME C in Antarctica for frequencies up to 10THz (30 μm) using the forward model MOLIERE-5. Measurements of precipitable water vapor (pwv), obtained by the SUMMIT radiometer installed at the Concordia station during 2008 and working at a wavelength of 200μm, are translated into atmospheric transmission using MOLIERE. Quartiles of transmission, calculated from 200μm data are extrapolated to 350 μm and compared to the CCAT (Cornell-Caltech Atacama Telescope) site in Chile. It turns out that for 25% of the time at DOME C (CCAT), the transmission is around 20% (5%) at 200μm. This corresponds to a pwv of 0.18mm for DOME C. At 350μm, for 50% of time at DOME C (CCAT) the transmission is around 55% (25%). This corresponds to a pwv of 0.22mm for DOME C. These results show that DOME C is one of the best observing sites on Earth for submm-astronomy with respect to high atmospheric transmission over long time periods
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Nyckelord
- Atmospheric transmissions
- Caltech
- Antarctica
- Time periods
- Atacama
- Precipitable water vapor
- Forward models
- Model calculations
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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