105  VZ PYXIDIS   (UGSU)   Range: 11.9-15.4V
     Position:   08 59 19.85  -24 28 55.3 (J2000, from .dat file)
     Magnitude:  V=15.352  B-V=0.278      (Henden, single night)

ID     RA  (2000)   DEC       X    Y   N    V      ERR     B-V    ERR  
   
a) Comparison star sequence

1    08 59 30.0  -24 22 56   138  359  2  11.417  0.006   1.434  0.013   
2    08 59 36.3  -24 31 30   224 -155  2  12.029  0.000   0.726  0.004   
3    08 59 08.3  -24 29 53  -158  -58  2  12.451  0.000   0.534  0.007   
4    08 59 16.5  -24 27 49   -46   66  6  12.992  0.010   0.857  0.017   
5    08 59 24.8  -24 26 47    67  128  6  13.400  0.013   1.015  0.017   
6    08 59 07.4  -24 27 29  -171   86  6  13.896  0.032   0.650  0.018   
7    08 59 15.2  -24 25 14   -64  221  6  14.308  0.014   0.743  0.015   
8    08 59 17.9  -24 30 10   -28  -75  6  14.466  0.013   0.544  0.015   
9    08 59 29.1  -24 27 54   125   61  4  14.732  0.014   0.591  0.025   
10   08 59 20.7  -24 27 32    11   83  4  15.072  0.017   0.583  0.021   
11   08 59 30.0  -24 27 29   138   86  4  15.619  0.017   0.669  0.022   
12   08 59 20.5  -24 27 00     8  115  4  16.105  0.021   0.803  0.018   
13   08 59 15.7  -24 29 05   -57  -10  4  16.757  0.025   0.752  0.044   
14   08 59 20.5  -24 28 20     9   35  4  17.330  0.029   0.567  0.044   


b) Wide-colour extension for CCD calibration

     08 59 04.3  -24 27 39  -213   76  4  14.929  0.015   0.516  0.016   
     08 59 19.1  -24 24 02   -11  293  7  14.037  0.019   1.310  0.025   


Notes:

1. Superhumps with a period of 0.075d were detected in May 1996 by Kato 
(PAPJ, 49, 481), confirming that this is a SU UMa-type dwarf nova. 
Also known as Pyx1 in Downes and Shara (1995). 

2. Minimum appears to be fairly constant, varying between about V=15.2 
and V=15.4.

 
Bruce Sumner
14 April 1999
Revised 18 April 2001