Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-06-26
Astronomy and Astrophysics
Astrophysics
9 pages, 7 figures + 1 Appendix figure, accepted by MNRAS
Scientific paper
10.1111/j.1365-2966.2008.13641.x
We present time-resolved V-photometry of the old nova RR Pic. Apart from the hump-like variability, the light curves show the strong flickering and random variation typical for RR Pic. We do not find any convincing evidence for the previously reported eclipse. The extrapolated eclipse phase coincides with a broad minimum, but comparing the overall shape of the light curve suggests that the eclipse should actually be located around phase 0.2. The orbital period which we derive from these data agrees well with the old one, any uncertainty is too small to account for the possible phase shift. Apart from the 3.48h period, which is usually interpreted as the orbital one, we find an additional period at P=3.78h, which we interpret as the superhump period of the system; the corresponding precession period at 1.79d is also present in the data. We also find indications for the presence of a 13min quasi-periodic oscillation.
Ederoclite Alessandro
Papadaki Christina
Schmidtobreick Linda
Tappert Claus
No associations
LandOfFree
RR Pictoris: an old nova showing superhumps and QPOs does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with RR Pictoris: an old nova showing superhumps and QPOs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and RR Pictoris: an old nova showing superhumps and QPOs will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-691999