Multiwavelength Observations of the Flares and Oscillations AE AQR

Details Multiwavelength Observations of the Flares and Oscillations AE AQR Multiwavelength Observations of the Flares and Oscillations AE AQR

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993hst..prop.5255h&link_type=abstract

HST Proposal ID #5255

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Hst Proposal Id #5255

Scientific paper

The cataclysmic variable AE Aquarii is unique among the objects of its class because of its large-amplitude, aperiodic flaring activity, which presents a puzzle to our understanding of the underlying powerhouse. It also harbors the most rapidly spinning white dwarf known (spin period: 33s). Although AE Aqr has been the subject of systematic scrutiny at many different bands, and with a variety of observatories and instruments (including the HST), many puzzling aspects of its behavior are still not understood. In appreciation of the potential importance of AE Aqr as a laboratory for studying the physics of accretion, the Astronomical community has decided to undertake a large, coordinated campaign for monitoring this system across the electromagnetic spectrum. We propose to participate in this undertaking by using the HST to obtain near-UV spectra of AE Aqr with high time resolution simultaneously wiht other space-based and Earth-based observatories, in particular with the ROSAT observatory which is scheduled to observe the system in the soft X-ray band. This project plays up to the particular strengths of the HST, namely its high sensitivity and spectral resolution in the near-UV band, which is not accessible by Earth-based telescopes, and its ability to carry out spectroscopy with extremely high time resolution.

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