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[vsnet-obs 5552] April 15, JLT



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PHOTOMETRIC CCD OBSERVATIONS OF VARIABLE STARS
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CENTER FOR BACKYARD ASTROPHYSICS  (CBA) DENMARK
Observer   :  Lasse Teist Jensen
Address     : Suhrs Alle 5, DK - 3520 Farum , Denmark
E-mail        : ltj@tt.dk
CBA Denmark Page: http://vsnet.astro.columbia.edu/~cba/dk
Instruments:  0.25-m f/6.3 SCT , ST-6 SBIG CCD

Dear Colleagues,

Selected CCD results:

0940+45      DV UMA     2450548.3958   1997-04-09   0.8958      14.04,
snapshot

0940+45      DV UMA     2450550.3590   1997-04-11   0.8590      15.30,
eclipse timing
0940+45      DV UMA     2450550.4451   1997-04-11   0.9451      15.08,
eclipse timing
0940+45      DV UMA     2450550.5291   1997-04-12   0.0291      15.14,
eclipse timing

0940+45      DV UMA     2450551.3881   1997-04-12   0.8881      15.24,
eclipse timing
0940+45      DV UMA     2450551.4749   1997-04-12   0.9749      15.13,
eclipse timing

1048+30      SX LMI     2450546.3104   1997-04-07   0.8104      13.4
1048+30      SX LMI     2450548.3854   1997-04-09   0.8854      13.5
1048+30      SX LMI     2450550.3090   1997-04-11   0.8090      13.8
1048+30      SX LMI     2450551.3055   1997-04-12   0.8055      14.0

1010-02      SW SEX     2450525.3583   1997-03-17   0.8583      16.86,
eclipse timing

1533+19      LX SER     2450541.3875   1997-04-02   0.8875      14.45

0956+34      RU LMI     2450546.3187   1997-04-07   0.8187      <16.0
0945+34      RZ LMI     2450546.3145   1997-04-07   0.8145      15.1,
outburst

0956+34      RU LMI     2450548.3888   1997-04-09   0.8888      <16.0
1556+33      VAR21 CRB  2450548.4159   1997-04-09   0.9159      <15.7
1621+39      VAR43 HER  2450548.4152   1997-04-09   0.9152      <15.5

1841+37      AY LYR     2450550.5777   1997-04-12   0.0777      <15.5
1830+24A     CH HER     2450550.5902   1997-04-12   0.0902      <17.0
1854+30      DM LYR     2450550.5791   1997-04-12   0.0791      <16.5
1831+38      LL LYR     2450550.5770   1997-04-12   0.0770      <16.0
1904+43      MV LYR     2450550.5708   1997-04-12   0.0708      <16.0,
faint
1804+38      PR HER     2450550.5812   1997-04-12   0.0812      <17.0
1234+21      S10932 COM 2450550.5527   1997-04-12   0.0527      15.7
1508+23      SER1       2450550.5590   1997-04-12   0.0590      <17.3
1454+41      TT BOO     2450550.5847   1997-04-12   0.0847      16.1,
decreasing
1920+52      V1113 CYG  2450550.6173   1997-04-12   0.1173      14.4,
outburst
1920+28      V1114 CYG  2450550.6034   1997-04-12   0.1034      15.7,
outburst
2137+48      V1251 CYG  2450550.6111   1997-04-12   0.1111      <16.5
2008+42      V1316 CYG  2450550.6055   1997-04-12   0.1055      14.3,
standstill ?
1925+42      V1504 CYG  2450550.6229   1997-04-12   0.1229      <15.5
1841+43      V344 LYR   2450550.5743   1997-04-12   0.0743      15.1,
outburst
1817+38      V391 LYR   2450550.5736   1997-04-12   0.0736      <16.9
1852+13      V446 HER   2450550.5916   1997-04-12   0.0916      <17.0
1858+42      V493 LYR   2450550.5715   1997-04-12   0.0715      <16.6
1617+19B     V589 HER   2450550.5652   1997-04-12   0.0652      <17.0
1626+21      V592 HER   2450550.5638   1997-04-12   0.0638      <16.5
2048+43      V751 CYG   2450550.6222   1997-04-12   0.1222      <15.6,
faint
1930+31      V795 CYG   2450550.5986   1997-04-12   0.0986      13.7,
outburst
1556+33      VAR21 CRB  2450550.5555   1997-04-12   0.0555      <17.2
1621+39      VAR43 HER  2450550.5618   1997-04-12   0.0618      <16.4
1759+05      VAR25 OPH  2450550.5604   1997-04-12   0.0604      <17.0

0000+00      DW CNC     2450551.3083   1997-04-12   0.8083      14.5,
standstill ?
1508+23      NY Ser = SER1 = PG1510+234      2450551.5868   1997-04-13
0.0868      15.1, outburst
2137+48      V1251 CYG  2450551.6006   1997-04-13   0.1006      <14.8
1930+31      V795 CYG   2450551.5909   1997-04-13   0.0909      13.7,
outburst
1556+33      VAR21 CRB  2450551.5791   1997-04-13   0.0791      <17.2
1621+39      VAR43 HER  2450551.5812   1997-04-13   0.0812      <16.5

Regards 

Lasse Teist Jensen (JLT)