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  • The cataclysmic variable star EX Dra is a relatively faint but frequently investigated eclipsing dwarf nova. In total 35 new eclipses were measured photometrically as part of our long-term monitoring of interesting eclipsing systems. Using published and new mid-eclipse times obtained between 2004 and 2011 we constructed the observed-minus-calculated diagram. The current data present 21 years of period modulation with a semi-amplitude of 2.5 min. The eclipse timings show significant deviations from the best sinusoidal fit, which indicates that this ephemeris is not a complete description of the data.
  • The cataclysmic variable star EX Dra is a relatively faint but frequently investigated eclipsing dwarf nova. In total 35 new eclipses were measured photometrically as part of our long-term monitoring of interesting eclipsing systems. Using published and new mid-eclipse times obtained between 2004 and 2011 we constructed the observed-minus-calculated diagram. The current data present 21 years of period modulation with a semi-amplitude of 2.5 min. The eclipse timings show significant deviations from the best sinusoidal fit, which indicates that this ephemeris is not a complete description of the data. (en)
Title
  • Period changes of the long-period cataclysmic binary EX Draconis
  • Period changes of the long-period cataclysmic binary EX Draconis (en)
skos:prefLabel
  • Period changes of the long-period cataclysmic binary EX Draconis
  • Period changes of the long-period cataclysmic binary EX Draconis (en)
skos:notation
  • RIV/67985815:_____/12:00388383!RIV13-AV0-67985815
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(GA205/04/2063), P(GA205/06/0217), P(GAP209/10/0715), Z(MSM0021620860)
http://linked.open...iv/cisloPeriodika
  • March
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 158244
http://linked.open...ai/riv/idVysledku
  • RIV/67985815:_____/12:00388383
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • close binaries; eclipsing; stars (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • FR - Francouzská republika
http://linked.open...ontrolniKodProRIV
  • [69155798E7F1]
http://linked.open...i/riv/nazevZdroje
  • Astronomy & Astrophysics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 539
http://linked.open...iv/tvurceVysledku
  • Hornoch, Kamil
  • Kotková, Lenka
  • Wolf, M.
  • Dubovsky, P. A.
  • Pilarčík, L.
http://linked.open...ain/vavai/riv/wos
  • 000303262000160
http://linked.open...n/vavai/riv/zamer
issn
  • 0004-6361
number of pages
http://bibframe.org/vocab/doi
  • 10.1051/0004-6361/201117972
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