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Infrared Interferometry<br />

Protoplanetary Disks<br />

1 AU<br />

Thorsten Ratzka Talk<br />

Rebekka Grellmann<br />

SB<br />

(0.13<br />

AU)<br />

θ 1 D<br />

IOTA<br />

�<br />

�<br />

0.02’’<br />

Stellar Multiplicity<br />

B1<br />

0.5’’<br />

B4<br />

B2 – B3:<br />

ρ = 0.117"<br />

B2<br />

B3<br />

D1 – D2:<br />

ρ = 0.0184"<br />

HST image<br />

Bally et al. (1998)<br />

1’’<br />

θ 1 B<br />

θ 1 C<br />

SB<br />

(1 AU)<br />

0.025’’<br />

A1 – A2:<br />

ρ = 0.215"<br />

C1<br />

θ 1 E<br />

θ 1 A<br />

C2<br />

C1 – C2: ρ = 0.024"<br />

A2<br />

A1<br />

Herbig &<br />

Griffin 2006<br />

SB<br />

(0.2 AU)<br />

0.1’’

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