Probing Magnetospheric Infall onto CTTS with Time-resolved Veiling Measurements.

Details Probing Magnetospheric Infall onto CTTS with Time-resolved Veiling Measurements. Probing Magnetospheric Infall onto CTTS with Time-resolved Veiling Measurements.

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003csss...12..735s&link_type=abstract

The Future of Cool-Star Astrophysics: 12th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (2001 July 30 - August

Astronomy and Astrophysics

Astrophysics

Scientific paper

We show that time-resolved veiling measurements over a large wavelength range can probe individual accretion events onto Classical T Tauri Stars (CTTS). We demonstrate two methods of measuring veiling. Using these measurements, we model CTTS spectra as a superposition of two components representing stellar and accretion emission. The simple but functional method allows us to estimate the temperature of the accretion shock and the relative surface area of the accretion regions on the star. We apply this method to a series of spectra of the CTTS RU Lupi and present our first results.

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