TWO-COLOR VR CCD PHOTOMETRY OF OLD NOVA V603 AQUILAE

• Published in: Journal of astronomy and space sciences pp. 211 - 222
• Main Authors: 김용기, Andronov, Ivan L., Ostrova, Nataliya I., Burwitz, V.
• Format: Journal Article
• Language: Korean
• Published: 한국우주과학회 01.09.2005
• Subjects: 천문학
• ISSN: 2093-5587; 2093-1409

Results of 6 nights of CCD VR photometry of the nova-like variable V603 Aquilae(Nova Aquilae 1918) obtained at the Mallorcian 35-cm telescope in July 2004 are re-ported. Theephemerisforthesuperhumpmaximumis Max.HJD=2453213.60546(96)+0.14813(10)E. The waves with 3.. 9, 1.. 4, 0.. 135 are statistically signicant, whichperhump - positive superhump) and the negative superhump with low amplitude, re-spectively. Anotherpossibletime-scaleis 0.. 8, whichhas nocoincidencewiththe beatperiods. Quasi-periodic oscillations with an effective... ... of 18 minutes have beendetected, which are close to 15.6 minutes reported by some authors. Their effectivesemi-amplitudes are... ... and ... ... for V and R, respectively. This correspondsto the 0.12 mag excess in the color indexV-R as comparedwith the mean color, whichcan be understoodas the pulsedemission in the hotterinnerparts of the accretiondisk,similar to that observed in TT Ari and MV Lyr. KCI Citation Count: 1