[vsnet-ecl 2729] EB stars observations by SSW (Apr 12-15 2007)

[K.Nagai]

TX UMa, U CrB, DELTA LIB visual observations - Apr 12-15 2007, sequence: Tycho,

object   YYMMDD(UT)     mag   code
UMATX    20070412.7847  7.88  SSW
UMATX    20070412.7895  7.93  SSW
UMATX    20070412.7972  8.13  SSW
UMATX    20070412.8076  8.33  SSW
UMATX    20070412.8166  8.53  SSW
UMATX    20070412.8277  8.73  SSW
UMATX    20070412.8368  8.80  SSW
UMATX    20070412.8465  8.86  SSW
UMATX    20070412.8562  8.86  SSW
UMATX    20070412.8666  8.80  SSW
UMATX    20070412.8743  8.80  SSW
UMATX    20070412.8923  8.73  SSW
UMATX    20070412.9055  8.53  SSW
UMATX    20070412.9145  8.40  SSW
UMATX    20070412.9208  8.27  SSW
UMATX    20070412.9291  8.13  SSW
UMATX    20070412.9361  7.93  SSW
UMATX    20070412.9444  7.84  SSW
UMATX    20070412.9513  7.78  SSW
UMATX    20070412.9597  7.72  SSW
UMATX    20070412.9666  7.65  SSW
UMATX    20070412.9743  7.59  SSW
UMATX    20070412.9847  7.53  SSW
UMATX    20070412.9937  7.47  SSW
CRBU     20070413.8236  7.99  SSW
CRBU     20070413.8347  8.05  SSW
CRBU     20070413.8486  8.11  SSW
CRBU     20070413.8645  8.17  SSW
CRBU     20070413.8791  8.24  SSW
CRBU     20070413.8930  8.37  SSW
CRBU     20070413.9069  8.44  SSW
CRBU     20070413.9222  8.57  SSW
CRBU     20070413.9347  8.74  SSW
CRBU     20070413.9479  8.80  SSW
CRBU     20070413.9624  8.80  SSW
CRBU     20070413.9750  8.86  SSW
CRBU     20070413.9895  8.86  SSW
CRBU     20070414.0027  8.86  SSW
CRBU     20070414.0145  8.80  SSW
CRBU     20070414.0305  8.74  SSW
CRBU     20070414.0430  8.63  SSW
CRBU     20070414.0548  8.50  SSW
CRBU     20070414.0666  8.37  SSW
CRBU     20070414.0784  8.30  SSW
CRBU     20070414.0986  8.17  SSW
LIBdelta 20070415.8944  5.45  SSW
LIBdelta 20070415.9131  5.54  SSW
LIBdelta 20070415.9305  5.63  SSW
LIBdelta 20070415.9465  5.71  SSW
LIBdelta 20070415.9611  5.71  SSW
LIBdelta 20070415.9736  5.80  SSW
LIBdelta 20070415.9874  5.71  SSW
LIBdelta 20070416.0034  5.63  SSW
LIBdelta 20070416.0180  5.54  SSW
LIBdelta 20070416.0326  5.45  SSW
LIBdelta 20070416.0458  5.37  SSW
LIBdelta 20070416.0611  5.28  SSW
LIBdelta 20070416.0791  5.19  SSW

Observer: Stanislaw Swierczynski,
AAVSO ID: SSW,
Place: Dobczyce, Poland,
Instr: B12x50, B7x50

minI UMATX    2454203.363 0.001 Hel SSW n=24 (calculated by Nagai)
minI CRBU     2454204.488 0.001 Hel SSW n=21 (calculated by Nagai)
minI LIBdelta 2454206.475 0.004 Hel SSW n=13 (calculated by Nagai)

TX UMa    JD(hel)=2454203.363 C=2454203.178 E=3005  O-C=+0.185
U CrB     JD(hel)=2454204.488 C=2454204.356 E=10850 O-C=+0.132
delta Lib JD(hel)=2454206.475 C=2454206.475 E=4832  O-C=-0.000


   - 12/Apr/2007 TX UMa (By Mr.Swierczynski) -
07 +                                     
   |                                     
   +                                * ** 
   |                            ****     
08 +     **                    *         
   |       **                **          
   +          *           * *            
   |           ** ** ** *                
09 +                                     
    +-----+-----+-----+-----+-----+-----+
   18    19    20    21    22    23    24 (UT)


   - 13/Apr/2007 U CrB (By Mr.Swierczynski) -
75 +                                     
   |                                     
   |                                     
80 +   **                                
   |     * **                    *       
   |          *               **         
85 +           **            *           
   |              *        **            
   |               ** ****               
90 +                                     
    +---+---+---+---+---+---+---+---+----
   19  20  21  22  23  24  25  26  27 (UT)


   - 15/Apr/2007 delta Lib (By Mr.Swierczynski) -
05 +                                     
   |                                     
   |                               *  *  
   |                             *       
   +   *  *                 * *          
   |         *           *               
   |            * * *  *                 
   |                                     
06 +                                     
    +------+------+------+------+------+-
   21     22     23     24     25     26 (UT)