This webpage contains data on the reflectivity measurements of Melles Griot mirror used for calibration.
Reflectivity results - Calibration
|
Date |
Time |
BSDF 0°,0° (detector position) |
BSDF 50°,180° (detector position) |
Reflectivity |
RMS (Å) |
File |
Notes |
| 2015 March-August |
n/a |
n/a |
83.3 - 90.6 (CT7) |
n/a |
2015_CT7_Calibrations.pdf |
Checks of CT7 after final factory upgrade in Dec 2014. Stable till August. | |
| 12/03/2015 |
2.26E-04 |
2.58E-05 |
0.862 |
16.5 |
20100119ref.pdf |
Tests of CO2 cleaning without particulate filter in hose, showing no surface damage, rather an improvement. Ref mirror reflectivity 94% | |
| 19/01/2010 |
3.261E-03 |
1.794E-03 |
0.873 |
38.750 |
20100119ref.pdf |
Measurements on the reference mirror before washing of the INT primary mirror | |
| 12/01/2010 |
5.289E-03 |
2.365E-03 |
0.884 |
52.178 |
20100112ref.pdf |
Measurements on the reference mirror before CO2 cleaning the INT primary mirror | |
| 11/01/2010 |
6.223E-03 |
2.936E-03 |
0.916 |
54.500 |
20100111ref.pdf |
Measurements on the reference mirror before CO2 cleaning the WHT primary mirror | |
| 02/11/2009 |
2.630E-03 |
1.785E-03 |
0.941 |
34.980 |
20091103ref.pdf |
Measurements on the reference mirror before ALUMINIZATION of the INT | |
| 27/07/2009 |
6.348E-03 |
3.738E-03 |
0.873 |
54.800 |
20090727ref.pdf |
Measurements on the reference mirror before measuring the INT primary mirror | |
| 12/11/2008 |
4.100E-03 |
2.013E-03 |
0.930 |
44.575 |
20081112ref.pdf |
Measurements on the reference mirror after measuring the WHT primary mirror (after washing the primary with distilled water) | |
| 23/07/2008 |
4.011E-03 |
1.099E-03 |
0.935 |
46.978 |
20080723ref.pdf |
Measurements on the reference mirror after CO2 cleaning WHT primary mirror | |
| 22/07/2008 |
4.154E-03 |
2.143E-03 |
0.937 |
43.881 |
20080722ref.pdf |
Measurements on the reference mirror before measuring the WHT primary mirror | |
| 03/06/2008 |
3.492E-03 |
2.688E-03 |
0.929 |
40.830 |
20080603ref.pdf |
Measurements on the reference mirror before WHT & INT primary mirror CO2 cleaning - correction needed for these measurements | |
| 21/04/2008 |
2.652E-03 |
1.143E-03 |
0.947 |
36.000 |
20080421ref.pdf |
Measurements on the reference mirror after aluminising INT Primary | |
| 26/02/2008 |
6.934E-03 |
2.485E-03 |
0.931 |
55.350 |
20080226ref.pdf |
Measurements on the reference mirror before measuring the WHT primary mirror (CO2 cleaning) | |
| 13/02/2008 |
4.521E-03 |
7.745E-04 |
0.950 |
55.867 |
20080213ref.pdf |
Measurements on the reference mirror before visual inspection of the WHT primary mirror | |
| 13/12/2007 |
1.642E-03 |
8.779E-04 |
0.968 |
27.540 |
20071213ref.pdf |
Measurements on the reference mirror before vapour washing INT primary mirror | |
| 29/10/2007 |
2.614E-03 |
1.734E-03 |
0.962 |
34.117 |
20071029ref.pdf |
Measurements on the reference mirror before measuring WHT primary mirror | |
| 04/10/2007 |
4.481E-03 |
2.026E-03 |
0.963 |
46.050 |
20071004ref.pdf |
Measurements on the reference mirror before measuring WHT and INT primary mirrors | |
| 26/07/2007 |
3.985E-03 |
1.966E-03 |
0.971 |
42.642 |
20070724-26ref.pdf |
Measurements AFTER cleaning the reference mirror with First Contact (special cleaning material - peeling-off type) | |
| 25/07/2007 |
4.636E-03 |
1.684E-03 |
0.977 |
47.400 |
20070724-26ref.pdf |
Measurements AFTER cleaning the reference mirror with First Contact (special cleaning material - peeling-off type) | |
| 24/07/2007 |
5.922E-03 |
4.883E-03 |
0.966 |
47.300 |
20070724-26ref.pdf |
Measurements BEFORE cleaning the reference mirror with First Contact (special cleaning material - peeling-off type) | |
| 24/07/2007 |
5.922E-03 |
4.883E-03 |
0.966 |
47.300 |
20070724ref.pdf |
Reference measurements before measuring INT and WHT primary reflectivity | |
| 22/06/2007 |
2.622E-03 |
1.420E-03 |
0.935 |
35.156 |
20070622ref.pdf |
Reference measurements before measuring INT primary reflectivity | |
| 22/05/2007 |
4.880E-03 |
2.669E-03 |
0.939 |
46.6 |
20070522ref.pdf |
Reference measurements before measuring WHT primary reflectivity | |
| 24/04/2007 |
7.691E-03 |
5.096E-03 |
0.950 |
59.8 |
20070424ref.pdf |
Reference measurements before measuring WHT primary reflectivity | |
| 30/01/2007 |
1.966E-03 |
1.144E-03 |
0.956 |
29.767 |
20070129-30_ref.pdf |
Reference measurements after aluminising the WHT primary | |
| 29/01/2007 |
3.922E-03 |
1.738E-03 |
0.948 |
43.150 |
20070129-30_ref.pdf |
Reference measurements before aluminising the WHT primary | |
| 18/01/2007 |
6.733E-03 |
2.317E-03 |
0.949 |
57.080 |
20070118_ref.pdf |
Reflectivity meter test, because of the orientation of the head | |
| 18/01/2007 |
1.621E-03 |
1.148E-03 |
0.956 |
27.260 |
20070118_ref.pdf |
Reference measurements before CO2 cleaning on the INT primary | |
| 08/01/2007 |
3.812E-03 |
3.077E-03 |
0.947 |
40.469 |
20070108_ref.pdf |
Reflectivity meter test, because of the orientation of the head | |
| 08/01/2007 |
3.831E-03 |
1.567E-03 |
0.936 |
41.813 |
20070108_ref.pdf |
Reference measurements after CO2 cleaning on the WHT primary | |
| 08/01/2007 |
5.181E-03 |
1.986E-03 |
0.880 |
50.933 |
20070108_ref.pdf |
Reference measurements before CO2 cleaning on the WHT primary | |
| 30/11/2006 |
3.731E-03 |
1.556E-03 |
0.947 |
42.200 |
20061130_ref.pdf |
Reference measurements before vapour washing on the WHT primary | |
| 29/11/2006 |
6.381E-03 |
3.303E-03 |
0.941 |
54.633 |
20061129_ref.pdf |
Reference measurements before vapour washing on the WHT primary | |
| 28/11/2006 |
2.644E-03 |
8.647E-03 |
0.890 |
37.380 |
20061128_ref.pdf |
Reference measurements before vapour washing on the WHT primary | |
02/08/2006 |
09:11:00 |
4.77E-03 |
5.24E-03 |
0.9711 |
45.438 |
CAL308.PRN |
|
09/06/2006 |
13:48:30 |
1.45E-03 |
1.11E-03 |
0.9960 |
25.317 |
CAL0906.PRN |
|
27/04/2006 |
13:57:30 |
4.17E-03 |
2.18E-03 |
0.9590 |
43.100 |
CAL274.PRN |
|
14/03/2006 |
14:31:42 |
4.58E-03 |
2.40E-03 |
0.9670 |
46.088 |
CAL143.PRN |
|
09/03/2006 |
10:53:52 |
2.26E-03 |
7.55E-04 |
0.9568 |
33.675 |
CAL903.PRN |
|
07/03/2006 |
13:52:41 |
2.50E-03 |
2.24E-03 |
0.9851 |
33.478 |
CAL703.PRN |
|
25/01/2006 |
11:43:49 |
2.54E-03 |
1.24E-03 |
0.9750 |
34.300 |
CAL251.PRN |
|
22/06/2005 |
10:41:45 |
2.90E-03 |
1.62E-03 |
0.9711 |
36.331 |
CAL.PRN |
|
20/06/2005 |
11:04:26 |
9.43E-03 |
3.68E-03 |
0.9493 |
67.967 |
CAL0506.PRN |
|
23/05/2005 |
15:31:28 |
2.59E-03 |
2.16E-03 |
0.9991 |
33.629 |
CAL235.PRN |
|
20/04/2005 |
11:12:23 |
2.35E-03 |
1.92E-03 |
0.9640 |
32.714 |
CALL2004.PRN |
|
10/03/2005 |
11:50:54 |
4.09E-03 |
1.38E-03 |
0.9920 |
41.694 |
CAL103.PRN |
|
16/12/2004 |
15:15:34 |
1.43E-03 |
5.79E-04 |
0.9902 |
26.208 |
CALL1612.PRN |
|
30/11/2004 |
15:19:34 |
6.70E-04 |
3.29E-04 |
0.9737 |
17.586 |
CALL3011.PRN |
|
29/11/2004 |
17:48:45 |
1.94E-03 |
7.92E-04 |
0.9854 |
28.960 |
CALL29N.PRN |
|
31/08/2004 |
10:48:09 |
2.88E-03 |
9.95E-04 |
0.9737 |
35.200 |
CALL.PRN |
|
15/06/2004 |
13:48:58 |
4.83E-03 |
2.33E-03 |
0.9563 |
45.510 |
CAL156.PRN |
|
26/04/2004 |
10:52:27 |
3.26E-03 |
1.38E-03 |
0.9630 |
38.914 |
CAL264.PRN |
|
18/03/2004 |
10:13:34 |
2.02E-03 |
1.62E-03 |
0.9914 |
28.547 |
CAL183.PRN |
|
16/02/2004 |
11:29:10 |
3.93E-03 |
1.97E-03 |
0.9723 |
40.522 |
CAL1602.PRN |
|
11/02/2004 |
10:32:18 |
2.68E-03 |
1.62E-03 |
0.9534 |
34.769 |
CAL112.PRN |
|
27/11/2003 |
06:58:36 |
1.23E-03 |
9.67E-04 |
1.0016 |
23.277 |
NOT2711.PRN |
|
12/11/2003 |
03:17:42 |
4.08E-03 |
1.42E-03 |
0.9537 |
44.110 |
C.PRN |
|
09/09/2003 |
01:20:41 |
1.36E-03 |
1.56E-03 |
1.0082 |
24.547 |
CAL909.PRN |
|
20/08/2003 |
01:53:48 |
1.28E-02 |
6.09E-03 |
1.0179 |
75.578 |
CAL208.PRN |
|
20/05/2003 |
13:21:34 |
5.11E-03 |
4.04E-03 |
0.9736 |
48.122 |
CALA205.PRN |
|
20/05/2003 |
08:47:53 |
1.26E-03 |
6.25E-04 |
0.9930 |
23.927 |
CALB204.PRN |
|
20/05/2003 |
08:47:53 |
1.26E-03 |
6.25E-04 |
0.9930 |
23.927 |
CALB204.PRN |
|
28/03/2003 |
11:52:13 |
3.10E-03 |
2.54E-03 |
0.9560 |
37.813 |
CAL2803.PRN |
|
03/01/2003 |
11:31:03 |
1.78E-03 |
1.12E-03 |
0.9668 |
25.035 |
CAL0301.PRN |
|
15/12/2002 |
17:12:22 |
2.85E-03 |
2.05E-03 |
0.9309 |
36.975 |
CAL1512.PRN |
|
15/11/2002 |
10:49:59 |
2.11E-03 |
9.30E-04 |
0.9548 |
33.133 |
CAL1411.PRN |
|
30/10/2002 |
10:03:51 |
1.90E-03 |
1.21E-03 |
0.9925 |
29.018 |
CAL3010.PRN |
|
24/10/2002 |
11:04:51 |
7.85E-04 |
4.33E-04 |
0.9652 |
18.889 |
CAL2410B.PRN |
|
08/10/2002 |
13:06:31 |
4.59E-03 |
2.19E-03 |
0.9743 |
47.850 |
CAL0810.PRN |
|
25/09/2002 |
10:41:44 |
1.82E-03 |
1.12E-03 |
0.9634 |
28.673 |
CAL2509.PRN |
|
13/09/2002 |
09:02:47 |
2.13E-03 |
9.71E-04 |
1.0239 |
30.862 |
CAL1309.PRN |
|
16/08/2002 |
08:29:49 |
3.19E-03 |
2.18E-03 |
0.9931 |
37.667 |
CAL168.PRN |
|
29/07/2002 |
12:48:38 |
3.38E-03 |
1.33E-03 |
0.9785 |
39.636 |
CAL2907.PRN |
|
29/07/2002 |
10:05:37 |
2.74E-03 |
1.24E-03 |
0.9505 |
36.270 |
CAL267.PRN |
|
12/07/2002 |
09:10:47 |
5.42E-03 |
3.70E-03 |
0.9833 |
49.340 |
CAL127.PRN |
|
31/05/2002 |
08:19:03 |
2.23E-03 |
1.05E-03 |
1.0113 |
31.717 |
CAL315.PRN |
|
25/04/2002 |
15:41:07 |
9.80E-04 |
7.67E-04 |
0.9594 |
21.145 |
CAL2504A.PRN |
|
25/04/2002 |
12:51:00 |
1.29E-03 |
8.90E-04 |
0.9494 |
24.470 |
CALB2504.PRN |
|
25/04/2002 |
09:02:27 |
1.01E-03 |
9.95E-04 |
0.9600 |
21.104 |
CAL2504.PRN |
|
24/04/2002 |
11:17:12 |
9.46E-04 |
6.11E-04 |
0.9466 |
19.943 |
CAL2404.PRN |
|
16/04/2002 |
08:47:23 |
2.20E-03 |
1.65E-03 |
0.9279 |
31.522 |
CAL1604.PRN |
|
26/03/2002 |
09:28:03 |
2.88E-03 |
2.03E-03 |
1.0208 |
34.608 |
CAL263.PRN |
|
07/01/2002 |
11:27:36 |
8.77E-04 |
6.24E-04 |
0.9252 |
20.514 |
CAL701.PRN |
|
04/12/2001 |
10:09:59 |
1.54E-03 |
8.95E-04 |
0.9538 |
26.238 |
CAL412.PRN |
|
05/11/2001 |
09:57:44 |
1.36E-03 |
1.16E-03 |
1.0943 |
23.475 |
CAL511.PRN |
|
17/09/2001 |
08:50:57 |
3.79E-03 |
1.54E-03 |
0.8891 |
13.210 |
CAL1709.PRN |
|
05/09/2001 |
11:11:40 |
2.29E-03 |
1.27E-03 |
0.9635 |
32.468 |
CAL509.PRN |
|
18/07/2001 |
09:32:00 |
2.08E-03 |
1.48E-03 |
0.9270 |
31.200 |
CAL1807.PRN |
|
05/07/2001 |
08:44:35 |
1.27E-03 |
9.12E-04 |
1.0076 |
23.493 |
CAL507.PRN |
|
05/06/2001 |
13:14:35 |
9.93E-04 |
6.58E-04 |
1.0124 |
20.811 |
CAL0506.PRN |
|
23/05/2001 |
09:07:12 |
1.05E-03 |
7.36E-04 |
0.9962 |
21.120 |
CAL23-5.PRN |
|
31/01/2001 |
10:37:01 |
7.83E-04 |
3.74E-04 |
0.9491 |
19.281 |
CAL3101.PRN |
|
31/10/2000 |
10:33:17 |
8.98E-04 |
5.23E-04 |
0.9815 |
19.177 |
CAL3110.PRN |
|
25/10/2000 |
11:26:16 |
4.51E-04 |
4.31E-04 |
0.9219 |
13.309 |
CAL2510.PRN |
|
09/10/2000 |
16:10:30 |
1.75E-04 |
1.67E-04 |
0.9801 |
8.886 |
CAL0910.PRN |
|
16/09/2000 |
20:59:58 |
3.83E-04 |
2.30E-04 |
1.0351 |
12.825 |
CAL1609.PRN |
|
05/08/2000 |
12:01:48 |
1.81E-03 |
9.91E-04 |
0.9893 |
26.575 |
CALIBRAT.PRN |