VY Cet: a contact binary in a ternary system [Observed: 26 Dec 2006, 3 Nov 2007, 30 Jan 2009, 31 Oct 2014]
Time series of this contact binary in a ternary system are presented.
3 ToMs are measured along with the B-V and V-Rc colors.
SDSS J015543.40+002807.2 (FL Cet) low state [Observed: 28 Sep, 15, 16, 17, 18 Nov 2011]
This cataclysmic polar with deep, narrow eclipses has dropped by 2 magnitudes since September 2011.
SDSS J015543.40+002807.2 (FL Cet): a cataclysmic polar with deep eclipses [Observed: 6, 8 Oct 2010]
Light curves for this cataclysmic polar with deep, narrow eclipses
are presented. The eclipse times are in agreement with the 2006 ephemeris.
(939) Isberga: a binary asteroid [Observed: 21, 22 Oct, 12, 13, 15 Nov 2011]
Light curves for this binary asteroid are presented, showing the
spin modulation and eclipses.
V1412 Aql: a simulation []
A Monte Carlo simulation which may be useful to search for eclipses
is proposed.
VZ Lib: a contact binary in a ternary system [Observed: 2007-2009, 14 sessions]
Time series of this eclipsing contact binary are reported and
times of minima (ToM) of the eclipses are measured. This system has a
third component. From the O-C analysis of the observed ToM and of those in
the literature, the orbital parameters of the third body can be
derived: the orbital period is 34.8 yr and the inclination is 11.5 °.
UX Mon: time keeping and modelling of a binary [Observed: 13 Dec 2007, 11-16, 18 Feb, 8, 13, 14 March, 1, 4, 25, 29]
Time series of this eclipsing binary system with extra variability
are presented. The O-C analysis suggests the presence of a third star.
The observations are modelled with BinaryMaker3 and parameters of the
system are derived.
WX Eri / V1241 Tau: an eclipsing semi-detached binary system [Observed: 15 Oct, 29, 30 Nov, 13, 16 Dec 2007, 1, 23 Jan 2008]
Light curves of this eclipsing, semi-detached binary system
with a period of 0.8d are presented and are modeled with BinaryMaker3. No evidence
for a pulsating star in this system is found.
V1309 Ori: an eclipsing polar [Observed: 26 Dec 2006, 15 Feb, 7 Nov 2007]
A phase plot of this eclipsing polar is presented. I try to model it
with BinaryMaker3.
ASAS1826+12: the eclipsing Cepheid [Observed: 7, 12, 13, 14, 15, 17, 19 July, 5, 18 Aug, 5, 6, 12, 15, 19,]
Multicolor photometric measurements of this Cepheid in an eclipsing
binary system (the only known one in our galaxy) are presented.
FO Aqr: modeling 4 years of observations [Observed: 12, 17 July, 6 Sept 2007 and 2004-2006]
Time series from 2004 to 2007 of this intermediate polar are fitted
with a single analytical function. FO Aqr is then found spinning up with
dP/dt=-(1.1 +/- 0.3)*10^-10.
V1432 Aql: an asynchronous polar [Observed: 7, 12, 13, 14, 15 July, 5, 18 Aug, 5, 15 Sept 2007]
Light curves for this magnetic cataclysmic system are presented.
They show the eclipses and the spin modulation.
BT Mon: no more hump [Observed: 13, 15 Dec 2006]
At the end of 2005, I observed this eclipsing cataclysmic system with a hump.
This hump is no longer present.
SDSS J040714.78-064425.1: an eclipsing cataclysmic [Observed: 30 Nov, 13, 14, 22, 23, 24, 25 Dec 2006, 12, 13 Jan 2007]
Time series for this deeply eclipsing cataclysmic
system are presented.
FO Aqr: 2006 observations and modeling [Observed: 23, 29 Jun, 20 Sep, 30 Nov 2006]
Time series of this intermediate polar are presented and are modelled.
BT Mon: eclipser with a hump [Observed: 26 Oct, 1 Nov, 24 Dec 2005, 19 Jan 2006]
Light curves of this cataclysmic star are presented. They show
the eclipse with a large hump. They are modelled with BinaryMaker3.
FO Aqr: 2005 observations and modelling [Observations: 10 Oct, 20 Nov, 1, 23 Dec 2005]
Time series of this intermediate polar are presented and are modelled.
SW Sex observation and BinaryMaker3 model [Observations: 10, 11, 14, 15 January 2005]
SW Sex is an accreting binary with deep, non symmetrical eclipses.
The observations are modelled with the BinaryMaker3 program.
FO Aqr: 2004 observations and modelling [Observed 29, 30 July, 15, 27, 31 Aug, 1 Sept 2004]
Time series of this intermediate polar are presented and are modelled.