The TWA 3 Young Triple System

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Presentation transcript:

The TWA 3 Young Triple System Ian Avilez Northern Arizona University Mentor: Lisa Prato Lowell Observatory

Stellar Formation Credit: Bill Saxton, NRAO/AUI/NSF

Multiple Star Systems Credit: planetfacts.org

TWA 3 TW Hydrae Association 180 Light Years away 10 Million Years old Triple system Spectroscopic Binary Period: ~ 34 days Visual Tertiary Period: hundreds of years Credit: NASA/JPL – Caltech

TWA 3 Black Contours: Dust in Circumbinary Disk (Andrews et al. 2010) Colored Ellipses: Family of Orbits (Kellog et al. in prep) Credit: Gail Schaefer

Spectral Energy Distribution (SED) Looking at intensity of light at different wavelengths Different wavelengths indicate different information Wien’s Law Peak is proportional to 1/T Credit: NASA/JPL-Caltech/T. Pyle (SSC)

DCT Data Credit: Ian Avilez

SED for TWA 3a and TWA 3b TWA 3a TWA 3b

Blackbody Fit for TWA 3A Intensity Wavelength

Next Steps Determine temperatures of TWA 3B and Disk Compare stellar properties to disk properties

Acknowledgements Lisa Prato Thomas Allen Nuria Wright-Garba Lauren Biddle Nadine Barlow Kathleen Stigmon

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