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We present the analysis of hot spot brightness in light curves of the eclipsing dwarf nova IY UMa during its normal outburst in March 2013 and in quiescence in April 2012 and in October 2015. Examination of four reconstructed light curves of the hot spot eclipses showed directly that the brightness of the hot spot changed significantly only during the outburst. The brightness of the hot spot, before and after the outburst, was on the same level. Thus, based on the behavior of the hot spot, IY UMa during its normal outburst follows the disk-instability model.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
351--360
Opis fizyczny
Bibliogr. 39 poz., rys., tab., wykr.
Twórcy
autor
- Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, ul. Bartycka 18, 00-716 Warszawa, Poland
- Fulbright Visiting Scholar, The Ohio State University, Department of Astronomy, 140 W. 18th Ave, Columbus, OH 43210, USA
autor
- Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, ul. Bartycka 18, 00-716 Warszawa, Poland
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
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