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[vsnet-obs 5929] June 2, CCD, JLT
- Date: Mon, 2 Jun 1997 08:06:52 +0200
- To: "'VSNET-OBS'" <vsnet-obs@kusastro.kyoto-u.ac.jp>
- From: "Lasse Teist Jensen, LTJ" <ltj@tt.dk>
- Subject: [vsnet-obs 5929] June 2, CCD, JLT
- Sender: owner-vsnet-obs@kusastro.kyoto-u.ac.jp
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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:
1344+08 CR BOO 2450597.3861 1997-05-28 0.8861 14.3,
bright
1556+33 VAR21 CRB 2450597.3888 1997-05-28 0.8888 15.7,
outburst continues
1621+39 VAR43 HER 2450599.4583 1997-05-30 0.9583 13.60,
approximate time of superhump maxima
1621+39 VAR43 HER 2450599.5118 1997-05-31 0.0118 13.55,
approximate time of superhump maxima
Amplitude of superhumps about 0.15-0.2 mag.
1344+08 CR BOO 2450599.4083 1997-05-30 0.9083 14.7,
bright
1508+23 SER1 2450599.4111 1997-05-30 0.9111 14.9,
outburst
1048+30 SX LMI 2450599.3902 1997-05-30 0.8902 <16.0,
outburst ended
1556+33 VAR21 CRB 2450599.3875 1997-05-30 0.8875 16.0,
finally getting fainter
1621+39 VAR43 HER 2450600.4625 1997-05-31 0.9625 13.59,
approximate time of superhump maxima
1621+39 VAR43 HER 2450600.5131 1997-06-01 0.0131 13.59,
approximate time of superhump maxima
Amplitude of superhumps about 0.15-0.2 mag.
1344+08 CR BOO 2450600.4048 1997-05-31 0.9048 14.6,
bright
1556+33 VAR21 CRB 2450600.4083 1997-05-31 0.9083 16.2,
fainter
1759+05 VAR25 OPH 2450600.4124 1997-05-31 0.9124 <16.4
1508+23 SER1 2450600.4062 1997-05-31 0.9062 16.0,
outburst ending
It is now getting difficult to get good time series here at 56 degrees
north.
Twilight is dominating.
Regards
Lasse Teist Jensen (JLT)
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