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Proceedings Paper

On-orbit calibration of the Ultraviolet/Optical Telescope (UVOT) on swift: part 2
Author(s): A. A. Breeveld; T. S. Poole; C. H. James; A. J. Blustin; S. R. Rosen; W. Landsman; P. Boyd; C. Gronwall; S. Holland; S. D. Hunsberger; M. Ivanushkina; K. O. Mason; K. McGowan; M. de Pasquale; P. W. A. Roming; M. Still
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Paper Abstract

The Ultraviolet and Optical telescope (UVOT) on board the SWIFT observatory, plays an important part in the quest to understand gamma-ray bursts. As its name suggests, the UVOT obtains ultraviolet and optical data at high time resolution, with 7 broad band filters and 2 low resolution grisms. This paper forms the second of a pair of papers presenting the initial on-board calibration of the UVOT. The first one (Part 1) deals with distortion, large and small scale sensitivity variations and the telescope point spread function. In this paper we cover the following topics: the photometry of the broadband filters including colour transformations and linearity; the wavelength calibration and sensitivities of the grisms; time resolution and red leak.

Paper Details

Date Published: 15 September 2005
PDF: 12 pages
Proc. SPIE 5898, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV, 58981E (15 September 2005); doi: 10.1117/12.616817
Show Author Affiliations
A. A. Breeveld, Mullard Space Science Lab., UCL (United Kingdom)
T. S. Poole, Mullard Space Science Lab., UCL (United Kingdom)
C. H. James, Mullard Space Science Lab., UCL (United Kingdom)
A. J. Blustin, Mullard Space Science Lab., UCL (United Kingdom)
S. R. Rosen, Mullard Space Science Lab., UCL (United Kingdom)
W. Landsman, NASA Goddard Space Flight Center (United States)
P. Boyd, NASA Goddard Space Flight Center (United States)
C. Gronwall, Pennsylvania State University (United States)
S. Holland, NASA Goddard Space Flight Center (United States)
S. D. Hunsberger, Pennsylvania State University (United States)
M. Ivanushkina, Pennsylvania State University (United States)
K. O. Mason, Mullard Space Science Lab., UCL (United Kingdom)
K. McGowan, Mullard Space Science Lab., UCL (United Kingdom)
M. de Pasquale, Mullard Space Science Lab., UCL (United Kingdom)
P. W. A. Roming, Pennsylvania State University (United States)
M. Still, NASA Goddard Space Flight Center (United States)


Published in SPIE Proceedings Vol. 5898:
UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV
Oswald H. W. Siegmund, Editor(s)

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