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[vsnet-chat 5260] V4740 Sgr Photometry



The following V4740 Sgr observations were taken from the VSNET files.  I 
calculated the B-V and V-Ic color of the nova.  Note the big change in color 
from 20011011.4 to 20020220.8.  More observations are needed to unravel the 
strange photometry of this nova.

Regards,
Doug West


UT Date    Mag, Observer         B-V     V-Ic
20010906    73V PAH               0.3    
20010906    76B PAH        
20010906    46Rc PAH        
20010907.1    6.45V West                   0.34
20010907.1    6.11Ic West        
20010907.1    6.69V West        
20010908.4    5.83I AGi        
20010908.4    6.26R AGi        
20010908.4    6.71V AGi           0.82    0.88
20010908.4    7.53B AGi        
20010908.4    7.84U AGi        
20010909.3    6.29I AGi        
20010909.3    6.89R AGi        
20010909.3    7.36V AGi           0.69    1.07
20010909.3    8.04U AGi        
20010909.3    8.05B AGi        
20010912.5    6.08Ic Kis        
20010912.5    7.29V Kis            0.31    1.21
20010912.5    7.60B Kis        
20010917.5    8.07B Kis        
20010917.5    6.73Ic Kis        
20010917.5    8.01V Kis             0.06    1.28
20010918.5    6.79Ic Kis        
20010918.5    8.20V Kis                       1.41
20010925.4    7.66Ic Kis        
20010925.4    9.21V Kis             0.19    1.55
20010925.4    9.40B Kis        
20010928.4    7.67Ic Kis        
20010928.4    9.11V Kis             0.45    1.44
20010928.4    9.56B Kis        
20011002.4    7.90Ic Kis        
20011002.4    9.52V Kis             0.16    1.62
20011002.4    9.68B Kis        
20011007.4    8.26Ic Kis        
20011007.4    9.90V Kis             0.51    1.64
20011007.4    10.41B Kis        
20011011.4    8.01Ic Kis        
20011011.4    9.60V Kis             0.99    1.59
20011011.4    10.59B Kis        
20020220.8    13.00Ic Kiyota        
20020220.8    12.30V Kiyota                 -0.7
20020313.5    12.81V West        
20020314.5    12.75V West        
20020315.5    12.98Ic West        
20020315.5    12.99V West                   0.01:
20020316.5    12.92V West                  -0.48
20020316.5    13.4Ic West        
20020323.5    12.776V Henden  0.859   -0.666


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