Segment SN#21, Position 29, Installation date

Reflectivity History

Date Reflectivity (%)
05/06/96 89.79
06/19/96 88.76
08/01/96 89.61
09/09/96 88.79
10/24/96 89.72
11/26/96 87.37
01/03/97 88.37
02/14/97 88.86
03/11/97 88.16
04/22/97 89.37
05/06/97 88.50
07/03/97 88.33
08/01/97 86.79
08/29/97 87.53
10/03/97 87.73
03/18/98 87.40
04/24/98 88.55
10/09/98 87.45
11/13/98 87.76
12/21/98 85.70

 

UFS Data

Unwarped
zernike
Warped
zernike
centroid
FWHM "
date
rms (microns)
theta80 (arcsec)
date
rms (microns)
theta80 (arcsec)
theta80 (arcsec)
12-Jul-97
23-Apr-96
0.066
0.417
18-May-96
0.058
0.338
0.489
0.50
7-Mar-01
0.007
0.038
0.0532
0.443
   
8-Mar-01
0.002
0.012
0.0279
0.188
   
18-Nov-97
0.003
0.02
0.0431
0.307
   
5-May-98
0.003
0.015
0.0579
0.357