Photometric calibration of the Swift ultraviolet/optical telescope

被引：784

作者：

Poole, T. S. ^{[1
]}

Breeveld, A. A. ^{[1
]}

Page, M. J. ^{[1
]}

Landsman, W.

Holland, S. T. ^{[3
,4
]}

Roming, P. ^{[2
]}

Kuin, N. P. M. ^{[1
]}

Brown, P. J. ^{[2
]}

Gronwall, C. ^{[2
]}

Hunsberger, S. ^{[2
]}

Koch, S. ^{[2
]}

Mason, K. O. ^{[1
,5
]}

Schady, P. ^{[1
]}

Vanden Berk, D. ^{[2
]}

Blustin, A. J. ^{[1
]}

Boyd, P.

Broos, P. ^{[2
]}

Carter, M. ^{[1
]}

Chester, M. M. ^{[2
]}

Cucchiara, A. ^{[2
]}

Hancock, B. ^{[1
]}

Huckle, H. ^{[1
]}

Immler, S.

Ivanushkina, M. ^{[2
]}

Kennedy, T. ^{[1
]}

Marshall, F.

Morgan, A. ^{[2
]}

Pandey, S. B. ^{[1
]}

de Pasquale, M. ^{[1
]}

Smith, P. J. ^{[1
]}

Still, M.

机构：

[1] UCL, Mullard Space Sci Lab, Dorking RH5 6NT, Surrey, England

[2] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA

[3] NASA, Goddard Space Flight Ctr, Ctr Res & Explorat Space Sci & Technol, Greenbelt, MD 20771 USA

[4] Univ Space Res Assoc, Columbia, MD 21044 USA

[5] Polaris House, Sci & Technol Facil Council, Swindon SN2 1SZ, Wilts, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2008年 / 383卷 / 02期

基金：

英国科学技术设施理事会;

关键词：

instrumentation : photometers; techniques : photometric; ultraviolet : general;

D O I：

10.1111/j.1365-2966.2007.12563.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the photometric calibration of the Swift Ultraviolet/Optical Telescope (UVOT) which includes: optimum photometric and background apertures, effective area curves, colour transformations, conversion factors for count rates to flux and the photometric zero-points (which are accurate to better than 4 per cent) for each of the seven UVOT broad-band filters. The calibration was performed with observations of standard stars and standard star fields that represent a wide range of spectral star types. The calibration results include the position-dependent uniformity, and instrument response over the 1600-8000 angstrom operational range. Because the UVOT is a photon-counting instrument, we also discuss the effect of coincidence loss on the calibration results. We provide practical guidelines for using the calibration in UVOT data analysis. The results presented here supersede previous calibration results.

引用

页码：627 / 645

页数：19

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