2008MNRAS.383..627P

Query : 2008MNRAS.383..627P

2008MNRAS.383..627P - Mon. Not. R. Astron. Soc., 383, 627-645 (2008/January-2)

Photometric calibration of the Swift ultraviolet/optical telescope.

POOLE T.S., BREEVELD A.A., PAGE M.J., LANDSMAN W., HOLLAND S.T., ROMING P., KUIN N.P.M., BROWN P.J., GRONWALL C., HUNSBERGER S., KOCH S., MASON K.O., SCHADY P., VANDEN BERK D., BLUSTIN A.J., BOYD P., BROOS P., CARTER M., CHESTER M.M., CUCCHIARA A., HANCOCK B., HUCKLE H., IMMLER S., IVANUSHKINA M., KENNEDY T., MARSHALL F., MORGAN A., PANDEY S.B., DE PASQUALE M., SMITH P.J. and STILL M.

Abstract (from CDS):

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 1600-8000Å 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.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): instrumentation: photometers - techniques: photometric - ultraviolet: general

Simbad objects: 26

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Number of rows : 26
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 188 OpC 00 47 14.8 +85 14 42           ~ 990 0
2 GRB 051021A gB 01 56 36.370 +09 04 03.27           ~ 45 0
3 SN 2006aj SN* 03 21 39.670 +16 52 02.27 17.96 19.11 17.40     SNIc-BL 1007 1
4 GD 50 WD* 03 48 50.1859724280 -00 58 32.290187664 12.596 13.787 14.063 14.210 14.388 DA1.2 272 1
5 UCAC2 31802705 * 03 53 07.5923894040 +00 01 10.780804776 16.785 16.623 15.622 15.174 14.557 ~ 6 0
6 GALEX J035343.7-000434 WD* 03 53 43.6724346528 -00 04 33.812497416 14.280 15.391 15.606 15.725 15.906 DA1.5 43 0
7 HZ 2 WD* 04 12 43.5550038936 +11 51 48.978942012 12.903 13.787 13.877 13.984 14.094 DA2.3 110 0
8 UCAC2 31649169 * 06 52 02.2800728880 -00 21 15.928250400 18.325 16.899 15.839 15.256 14.749 ~ 8 0
9 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
10 SN 2005am SN* 09 16 12.47 -16 18 16.0     17.5     SNIa 120 1
11 UCAC2 31684049 * 09 56 54.4663309176 -00 29 38.394521160 17.272 16.535 15.494 14.898 14.350 ~ 7 0
12 PG 1026+454 WD* 10 29 45.2951675832 +45 07 04.926948312   16.1 16.13 16.4   DA1.4 58 0
13 Ton S 573 WD* 11 09 59.8669002168 +26 18 47.221026120   15.82   15.9   DB4 49 0
14 PG 1121+145 HS* 11 24 15.1708085928 +14 13 46.248640824   16.37 16.51 16.49   sdO 24 0
15 UCAC2 31690466 * 12 42 19.8175471080 -00 25 21.197613108 17.983 16.703 15.372 14.555 13.777 ~ 4 0
16 UCAC2 31511314 * 12 42 30.1461255216 -00 38 32.343242892 16.568 16.650 16.059 15.711 15.340 ~ 8 0
17 UCAC2 31511319 * 12 42 34.2444168912 -00 45 46.952219736 16.449 16.601 16.011 15.673 15.186 ~ 6 0
18 UCAC2 31690490 * 12 42 54.1968578136 -00 28 48.631558548 17.323 16.801 16.048 15.564 15.074 ~ 5 0
19 UCAC2 31511371 * 12 43 58.4566418400 -00 33 33.897080232 16.357 16.483 15.844 15.462 15.165 ~ 6 0
20 GRB 060206 gB 13 31 43.420 +35 03 03.60   19.99 17.09     ~ 330 0
21 PG 1525-071 HS* 15 28 11.5771773672 -07 16 32.899212840 13.658 14.85 14.89 15.14 15.197 sdO 42 0
22 PG 1633+099 HS* 16 35 24.0241690848 +09 47 49.891209036 13.215 14.205 14.396 14.481 14.609 sdB 113 0
23 PG 1657+344 WD* 16 58 51.1124739360 +34 18 53.321336856   16.12       DA.9 70 0
24 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0V 2787 1
25 G 24-9 WD* 20 13 55.6788159161 +06 42 44.827736377 15.733 16.176 15.751 15.476 15.248 DC7 107 0
26 GRB 051022A gB 23 56 04.200 +19 36 32.30           ~ 194 1

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