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Landolt Standards and Dayton TASS Diffcal Data



Hello,

        Below is some data that I have pulled from the "diffcal" dataset
that Michael has been working with on how the diffcal output matches up with
some Landolt standards that Michael has mentioned in his Tech Note #41.

        The erros shown below for stars in the range 7 << 10 V/I magnitude
seem consistant with the errors that Michael has observed before he has
corrected the Dayton TASS dataset.

Glenn G. 

============================================================================
======



>>HD12021		29.48391222    -2.09936611	8.874	-0.082	-0.404	-0.042	-0.056

V-Mag = 8.874 I-Mag = 8.9720

 9945  29.4841    -2.0991 50712.8228  8.792  9.013   .016   .057  12
td092097.dat
 9945  29.4841    -2.0991 50713.8192  8.867  9.010   .015   .052  11
td092297.dat
 9945  29.4841    -2.0991 50716.8139  8.785  8.912   .025   .079  11
TD092497.dat
 9945  29.4841    -2.0991 50717.8081  8.788  9.049   .020   .020  11
td092697.dat
 9945  29.4841    -2.0991 50723.7948  8.819  8.918   .020   .060  11
td100297.dat
 9945  29.4841    -2.0991 50733.7691  8.879  9.057   .020   .018  16
TD101197.dat
 9945  29.4841    -2.0991 50740.7473  8.786  8.843   .025   .017  11
TD101997.dat
 9945  29.4841    -2.0991 50742.7467  8.820  9.048   .018   .020  10
TD102097.dat
 9945  29.4841    -2.0991 50744.7392  8.789  8.954   .007   .104  11
TD102397.dat
 9945  29.4841    -2.0991 50779.6474  8.806  8.922   .011   .119  12
TD112697.dat

>>>139  159895178  -7188512 BD-02_0524   44.41532722 -1.99680917 10.211
0.056 10.283 0.086 10.307 -0.104 -0.641  -0.05 -0.062

  V-MAG = 10.307  I-MAG = 10.419

14162  44.4154    -1.9967 50712.8642 10.267 10.498   .027   .019  10
td092097.dat
14162  44.4154    -1.9967 50716.8553 10.266 10.550   .029   .015  10
TD092497.dat
14162  44.4154    -1.9967 50723.8362 10.276 10.504   .019   .025  10
td100297.dat
14162  44.4154    -1.9967 50733.8104 10.306 10.494   .011   .018   7
TD101197.dat
14162  44.4154    -1.9967 50744.7806 10.273 10.429   .021   .026  10
TD102397.dat
14162  44.4154    -1.9967 50779.6887 10.281 10.438   .016   .023  10
TD112697.dat

>> V-Mag= = 11.301, I-Mag = 10.213

23552  99.2409    -2.8287 50800.7799 11.354 10.752   .041   .031  29
TD121897.dat
23552  99.2409    -2.8287 50853.6265 11.324 11.077   .041   .117  33
td020998.dat
23552  99.2409    -2.8287 50872.5669 11.280 10.638   .023   .086  30
TD022898.dat



>>RU152D		112.52541667  	-2.0775		11.076	0.875	0.491	0.473	0.449

V-Mag = 11.076 I-Mag = 10.1102

25354 112.5256    -2.0766 50800.8167 11.189 10.334   .077   .065  36
TD121897.dat
25354 112.5256    -2.0766 50852.6651 11.178 10.129   .083   .089  37
TD020898.dat
25354 112.5256    -2.0766 50872.6037 11.128 10.299   .031   .118  36
TD022898.dat

>>HD84971		147.18534694  	-2.71357278	8.636	-0.159	-0.77	-0.063	-0.089

V-MAG = 8.636 I-MAG = 8.788

33329 147.1854    -2.7135 50800.9127  8.640  8.879   .046   .069  13
TD121897.dat
33329 147.1854    -2.7135 50852.7611  8.628  8.746   .039   .120  13
TD020898.dat
33329 147.1854    -2.7135 50853.7593  8.627  8.870   .029   .030  13
td020998.dat
33329 147.1854    -2.7135 50915.5907  8.603  8.826   .018   .044  15
TD041198.dat

>>HD210894	333.40255528   -4.56067972	9.167	1.315	1.462	0.697	0.605

V-Mag = 9.167  I-Mag = 7.865

76152 333.4027    -4.5605 50695.7135  9.127  7.814   .009   .013  14
TD090397.dat
76152 333.4027    -4.5605 50712.6674  9.164  7.783   .012   .044  14
td092097.dat
76152 333.4027    -4.5605 50719.6499  9.079  7.804   .011   .015  14
td092897.dat
76152 333.4027    -4.5605 50727.6305  9.184  7.799   .028   .016   8
td100797.dat
76152 333.4027    -4.5605 50742.5913  9.180  7.801   .023   .010  14
TD102097.dat

349.0524 -1.8426

 V-Mag = 12.958   I-Mag = 13.196

83224 349.0520    -1.8429 50660.8496 13.209 13.226   .013   .010   9
TD073097.dat
83224 349.0520    -1.8429 50666.8331 13.040 13.558   .022   .033  16
td080597.dat
83224 349.0520    -1.8429 50690.7698 13.001 13.568   .016   .017  10
TD082997.dat
83224 349.0520    -1.8429 50695.7568 12.909 13.439   .019   .017  16
TD090397.dat
83224 349.0520    -1.8429 50696.7531 12.851 13.385   .023   .018  18
TD090497.dat
83224 349.0520    -1.8429 50716.7019 12.844 13.392   .017   .031  21
TD092497.dat
83224 349.0520    -1.8429 50717.6960 12.788 13.273   .018   .028  20
td092697.dat
83224 349.0520    -1.8429 50742.6347 12.891 13.906   .011   .020  17
TD102097.dat







Glenn Gombert <gleng@infinet.com>