gas in transitional disks sean brittain clemson university, clemson, sc, usa joan najita national...
TRANSCRIPT
Gas in Transitional Disks
Sean BrittainClemson University, Clemson, SC, USA
Joan NajitaNational Optical Astronomy Observatory, Tucson, AZ,
USA
5th Planet Formation Workshop
Interpretation of the SED
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Malfait et al. 1998
Gas in Transitional Disks
0.1 AU~2000 K
10 AU~500 K
100 AU~50 K
H2O ro-vib
CO v=2
CO v=1
H2 UV, NIR, MIR
OH v=1
E”J=2~500K, J1
Freezes at ~170K
CO v=0
FIR [OI], [CI]
Malfait et. al. A&A 331: 221 (1998)
NIR
NIRA0 star“Transitional Disk”Age ~ 6-8 Myr
.
Regions of interest
.
A0 star“Classic Disk”Age ~ 4 Myr
Clampin, et al. 2003, AJ 126, 385
C. Grady, et al. 2003, ApJ, 683, 151
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vFv
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vFv
Wavelength (m)
Wavelength (m)