phot081503 Data Log
phot081503.datalog: Reduction Log for phot081503.out
Reducer: wet
File: /wet/xcov23/kpd1930/raw/phot081503.out
File format: XQED data
Reduction date & time: 20 August 2003 10:39:11
Observers: Judi Provencal , Danny Childers, Jack Fisher
Run name: photo081503.txt
Acquisition software: CCDSOFT V4
Extraction software: AIP4WIN
Object: KPD 1930+2752
Observatory: Mt. Cuba Observatory
Telescope: 0.6m
Number of channels: 4
Number of data points: 1588
TIME INFORMATION
Start Date & time (UT): 16 August 2003 00:49:15.000
Exposure time (s): 10.000000
Readout time (s): 3.750000
Cycle time (s): 13.750000
Drift (s): 8.500000
File time format: TIME_FITS_FORMAT
PHOTOMETER INFORMATION
Photometer name: Mt. Cuba Ap7p CCD
Photometer type: CCD
Filter: CLEAR
Aperture setup: One sky for all apertures
Aperture size (pixels): 5.500000
Aperture shape: ANNULAR
Aperture scaling: 1.00 1.00 1.00 1.00
CHANNEL INFORMATION
Channel 1: DATA CHANNEL SKY: Channel 2
Channel 2: SKY CHANNEL Smoothing: 1
Channel 3: COMP CHANNEL SKY: Channel 2
Channel 4: COMP CHANNEL SKY: Channel 2
REDUCTION OPERATIONS SUMMARY
Reduction started: 20 August 2003 10:39:11 UTC
SKY SUBTRACTION: Channels 1 3 4
EXTINCTION: Channels 1 3 4
SKY DIVISION: Channels 1
FIT CURVE: Channel 1
FIT CURVE: Channel 1
UNDO: FITTING undone in Channel 1!
UNDO: FITTING undone in Channel 1!
FIT CURVE: Channel 1
CHANNEL 1 OPERATIONS
SKY_SUB: Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
EXTINC: Channel 1 extinction coefficient 0.250000
SKY_DIV: Ch 1 divided by Ch 136109328
FIT: Type POLYNOMIAL Order 3 Range 0-1587 Error 12.456356
FIT: C0 13703.853516 C1 0.344782 C2 -0.000007 C3 -0.000000
CHANNEL 2 OPERATIONS
CHANNEL 3 OPERATIONS
SKY_SUB: Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
EXTINC: Channel 3 extinction coefficient 0.250000
CHANNEL 4 OPERATIONS
SKY_SUB: Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
EXTINC: Channel 4 extinction coefficient 0.250000
SKY POINTS
CH 1 CH 2 CH 3 CH 4
========================================================================
GARBAGE POINTS
CH 1 CH 2 CH 3 CH 4
========================================================================
0 130 130
1 190 135
2 242 190
3 248 216
4 268 242
5 274 248
6 294 268
7 483 274
8 522 281
9 1435 294
10 1436 320
11 1440 483
12 1441 522
13 1442 680
14 1443
15 1444
16 1445
17 1446
18 1447
19 1448
20 1449
21 1450
22 1451
23 1452
24 1453
25 1454
26 1455
27 1456
28 1457
29 1458
30 1459
31 1460
32 1461
33 1575
34 1577
35 1578
36 1579
37 1580
38 1581
39 1582
40 1583
41 1584
42 1585
43 1586
44 1587
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
73
130
190
242
248
268
274
294
473
476
483
494
496
522
680
685
690
1119
1122
1126
1127
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1578
1580
1581
1582
1583
1584
1585
1587