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[vsnet-obs 5185] CCD Result, JLT
- Date: Mon, 3 Mar 1997 08:16:09 +0100
- To: "'VSNET-OBS'" <vsnet-obs@kusastro.kyoto-u.ac.jp>
- From: "Lasse Teist Jensen, LTJ" <ltj@tt.dk>
- Subject: [vsnet-obs 5185] CCD Result, 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:
0837+28 EG CNC 2450495.4000 1997-02-15 0.9000 <16.5
0956+34 RU LMI 2450495.4090 1997-02-15 0.9090 <16.8
0945+34 RZ LMI 2450495.4076 1997-02-15 0.9076 14.60
0716+28 AW GEM 2450499.3034 1997-02-19 0.8034 <16.5
0837+28 EG CNC 2450499.2923 1997-02-19 0.7923 <16.0
0109+37 FO AND 2450499.2840 1997-02-19 0.7840 <16.3
0749+22 U GEM 2450499.2999 1997-02-19 0.7999 10.2
0632+18 UV GEM 2450499.3013 1997-02-19 0.8013 <15.0
1133+03 T LEO 2450501.4819 1997-02-21 0.9819 11.54
0837+28 EG CNC 2450501.4652 1997-02-21 0.9652 <16.0
1556+33 VAR21 CRB 2450501.5145 1997-02-22 0.0145 <16.5
1621+39 VAR43 HER 2450501.5215 1997-02-22 0.0215 <17.0
1027+59 DW UMA 2450506.2909 1997-02-26 0.7909 15.80,
eclipse timing
1027+59 DW UMA 2450506.4277 1997-02-26 0.9277 15.41,
eclipse timing
1133+03 T LEO 2450506.5125 1997-02-27 0.0125 10.37,
max of superhump
1133+03 T LEO 2450506.5729 1997-02-27 0.0729 10.35,
max of superhump
Superhumps cleary visible in T Leo timeseries. Period about 85-90
minutes. Amplitude 0.1 mag.
The amplitude of the second hump a bit larger than the first.
0837+28 EG CNC 2450506.4618 1997-02-26 0.9618 <16.5
1251+27 GO COM 2450506.6479 1997-02-27 0.1479 <16.0
1904+43 MV LYR 2450506.6569 1997-02-27 0.1569 14.00,
bright
1631+12 PG1633+115 2450506.6993 1997-02-27 0.1993 15.15
1804+38 PR HER 2450506.6756 1997-02-27 0.1756 <17.0
1958+56 V1028 CYG 2450506.6840 1997-02-27 0.1840 <17.3
2103+36 V1060 CYG 2450506.6875 1997-02-27 0.1875 <17.0
1920+28 V1114 CYG 2450506.6909 1997-02-27 0.1909 <16.5
1925+42 V1504 CYG 2450506.6826 1997-02-27 0.1826 16.8,
beginning of outburst
1841+43 V344 LYR 2450506.6659 1997-02-27 0.1659 15.45,
outburst
1905+42 V363 LYR 2450506.6645 1997-02-27 0.1645 16.20
1817+38 V391 LYR 2450506.6611 1997-02-27 0.1611 16.4
1858+42 V493 LYR 2450506.6597 1997-02-27 0.1597 <17.2
1947+58 V542 CYG 2450506.6861 1997-02-27 0.1861 <17.0
1626+21 V592 HER 2450506.6715 1997-02-27 0.1715 <16.5
1930+31 V795 CYG 2450506.6812 1997-02-27 0.1812 <17.0
1556+33 VAR21 CRB 2450506.6381 1997-02-27 0.1381 <17.2
1759+05 VAR25 OPH 2450506.6965 1997-02-27 0.1965 <17.7
1621+39 VAR43 HER 2450506.6430 1997-02-27 0.1430 <17.0
Regards
Lasse Teist Jensen (JLT)