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Atmospheric extinction properties above Mauna Kea from the Nearby Supernova Factory spectro-photometric data set
Buton C., Copin Y., Aldering G., Antilogus P., Aragon C. et al
Astronomy and Astrophysics 549 (2013) A8 - http://hal.in2p3.fr/in2p3-00740358
Physique/Astrophysique/Instrumentation et méthodes pour l'astrophysique
Planète et Univers/Astrophysique/Instrumentation et méthodes pour l'astrophysique
Atmospheric extinction properties above Mauna Kea from the Nearby Supernova Factory spectro-photometric data set
C. Buton, Y. Copin1, G. Aldering, P. Antilogus2, C. Aragon, S. Bailey, C. Baltay, S. Bongard2, A. Canto2, F. Cellier-Holzem2, M. Childress, N. Chotard, H. K. Fakhouri, E. Gangler1, J. Guy2, E. Y. Hsiao, M. Kerschhaggl, M. Kowalski, S. Loken, P. Nugent K. Paech, R. Pain2, E. Pécontal3, R. Pereira1, S. Perlmutter, D. Rabinowitz, M. Rigault1, K. Runge, R. Scalzo, G. Smadja1, C. Tao4, R. C. Thomas, B. A. Weave, C. Wu2
1 :  IPNL - Institut de Physique Nucléaire de Lyon
CNRS : UMR5822 – IN2P3 – Université Claude Bernard - Lyon I (UCBL)
2 :  LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies
CNRS : UMR7585 – IN2P3 – Université Pierre et Marie Curie (UPMC) - Paris VI – Université Paris VII - Paris Diderot
Barre 12-22, 1er étage 4 Place Jussieu 75252 Paris Cedex 05
3 :  CRAL - Centre de Recherche Astrophysique de Lyon
CNRS : UMR5574 – INSU – Université Claude Bernard - Lyon I (UCBL) – École Normale Supérieure (ENS) - Lyon
9 Avenue Charles André 69561 ST GENIS LAVAL CEDEX
4 :  CPPM - Centre de Physique des Particules de Marseille
CNRS : UMR7346 – IN2P3 – Université de la Méditerranée - Aix-Marseille II
163, avenue de Luminy - Case 902 - 13288 Marseille cedex 09
We present a new atmospheric extinction curve for Mauna Kea spanning 3200--9700 Å. It is the most comprehensive to date, being based on some 4285 standard star spectra obtained on 478 nights spread over a period of 7 years obtained by the Nearby SuperNova Factory using the SuperNova Integral Field Spectrograph. This mean curve and its dispersion can be used as an aid in calibrating spectroscopic or imaging data from Mauna Kea, and in estimating the calibration uncertainty associated with the use of a mean extinction curve. Our method for decomposing the extinction curve into physical components, and the ability to determine the chromatic portion of the extinction even on cloudy nights, is described and verified over the wide range of conditions sampled by our large dataset. We demonstrate good agreement with atmospheric science data obtain at nearby Mauna Loa Observatory, and with previously published measurements of the extinction above Mauna Kea.

Articles dans des revues avec comité de lecture
Astronomy and Astrophysics (Astron. Astrophys.)
Publisher EDP Sciences
ISSN 0004-6361 (eISSN : 1432-0756)

22 pages, 24 figures, 6 tables
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