High Latitude Gas above the Beta Pictoris Disk Midplane: a Byproduct of the FEB Scenario

Details High Latitude Gas above the Beta Pictoris Disk Midplane: a Byproduct of the FEB Scenario High Latitude Gas above the Beta Pictoris Disk Midplane: a Byproduct of the FEB Scenario

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confr...6b&link_type=abstract

"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 6-6"

Physics

Scientific paper

Transient spectral events towards the southern star Beta Pictoris have been attributed to the sublimation of transiting star-grazers planetesimals (Falling Evaporating Bodies, or FEBs). The FEBs are supposed to originate from mean-motion resonances with a massive planet. In 2004, spectral emission in Ca II and Fe II was detected at 100 AU away from the star, but above the midplane of the disk (Brandeker et al. 2004). We show that the presence of off-plane ions can be explained in the frame of the FEB scenario, as due to inclination oscillations caused by the resonance (Beust & Valiron 2007) in the high eccentricity regime.

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