SIMBAD references

1999MNRAS.310..407W - Mon. Not. R. Astron. Soc., 310, 407-413 (1999/December-1)

A spatially resolved `inside-out' outburst of IP Pegasi.

WEBB N.A., NAYLOR T., IOANNOU Z., WORRAKER W.J., STULL J., ALLAN A., FRIED R., JAMES N.D. and STRANGE D.

Abstract (from CDS):

We present a comprehensive photometric data set taken over the entire outburst of the eclipsing dwarf nova IP Peg in 1997 September/October. Analysis of the light curves taken over the long rise to the peak-of-outburst shows conclusively that the outburst started near the centre of the disc and moved outwards. This is the first data set that spatially resolves such an outburst. The data set is consistent with the idea that long rise times are indicative of such `inside-out' outbursts. We show how the thickness and the radius of the disc, along with the mass transfer rate, change over the whole outburst. In addition, we show evidence of the secondary and the irradiation thereof. We discuss the possibility of spiral shocks in the disc; however, we find no conclusive evidence of their existence in this data set.

Abstract Copyright: 1999, Royal Astronomical Society

Journal keyword(s): accretion, accretion discs - binaries: eclipsing - stars: individual: IP Peg - novae, cataclysmic variables - white dwarfs - infrared: stars

Simbad objects: 2

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