A Multi-Epoch IRS Accretion Variability Study of Actively Accreting T Tauri Stars

Details A Multi-Epoch IRS Accretion Variability Study of Actively Accreting T Tauri Stars A Multi-Epoch IRS Accretion Variability Study of Actively Accreting T Tauri Stars

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sptz.prop30896b&link_type=abstract

Spitzer Proposal ID #30896

Physics

Scientific paper

We propose to use Spitzer and IRS in SL1 and SL2 modes to continue a short-/long-term survey of actively accreting T Tauri stars. These observations will be combined with observations taken during and currently scheduled in Cycle 2 and coordinated with an on-going near-infrared spectroscopic survey of the same sources. We hope to characterize the time dependence and nature of accretion variability in these sources and determine if a correlation exists between inner and outer disk accretion activity. We expect the accretion variability to manifest itself as fluctuations in the shapes of the near-IR and mid-IR spectral energy distributions as well as variataions in the line strength and shapes of accretion-related emission line features.

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