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astro-ph2004
Simultaneous Doppler maps of IP Peg in outburst
C. Papadaki, H. M. J. Boffin, D. Steeghs
IP Pegasi is an eclipsing dwarf nova lying above the period gap with an orbital period of 3.8h. It is the first cataclysmic variable to show evidence of spiral arms in its accretio…
astro-ph2000
Delta Scuti stars in stellar systems: on the variability of HD 220392 and HD 220391
P. Lampens, M. Van Camp, D. Sinachopoulos
HD 220392 (HR 8895), the brightest member of the visual double star CCDM 23239-5349, is a new short-period variable bright star, probably of the Delta Scuti type. The period analys…