Conference

### Late superhumps and the stream-disc impact in IYUMa

Abstract:
We use the hot spot eclipse times of the newly discovered deeply-eclipsing dwarf nova IY UMa to trace out the shape of its disc during the late superhump era. We find an eccentric disc. The brightness of the stream-disc impact region varies as expected with \Delta(V) over right arrow \(2), where Delta(V) over right arrow is the differential velocity of the stream with respect to the velocity of the disc at the impact point. We conclude that the hot spot is the source of late superhump light.
Publication status:
Published

### Authors

Volume:
229
Pages:
379-383
Publication date:
2001-01-01
URN:
uuid:6b3510bb-9631-478e-a99f-492c5a5d8409
Source identifiers:
30360
Local pid:
pubs:30360
ISBN:
1-58381-061-7

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