Secular brightness variation of the dwarf nova Z Cha during quiescence

Details Secular brightness variation of the dwarf nova Z Cha during quiescence Secular brightness variation of the dwarf nova Z Cha during quiescence

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.242..522v&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 242, Feb. 1, 1990, p. 522-528.

Astronomy and Astrophysics

Astronomy

23

Accretion Disks, Dwarf Novae, Eclipsing Binary Stars, Secular Variations, White Dwarf Stars, Astronomical Models, Brightness Distribution, Light Curve, Stellar Evolution, Stellar Spectrophotometry

Scientific paper

Results of long-term optical photometry of the dwarf nova Z Cha made during two quiescent intervals are reported. It is found that the brightness of the 'hot spot' increases between two outbursts. This is consistent with the decrease of the outer disk radius previously reported by O'Donoghue. The fluxes of the accretion disk and of the white dwarf do not show a secular trend between outbursts. This result, which reinforces a similar result obtained from long-term observations of VW Hyi, seems hard to reconcile with current versions of the disk-instability model for dwarf-nova outbursts.

Affiliated with

Also associated with

No associations

Rating

Secular brightness variation of the dwarf nova Z Cha during quiescence 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 Secular brightness variation of the dwarf nova Z Cha during quiescence, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Secular brightness variation of the dwarf nova Z Cha during quiescence will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1842991