We present the first spatially resolved polarized scattered light H-band detection of the DoAr 28 transitional disk. Our two epochs of imagery detect the scattered light disk from our effective inner working angle of 0. 10 (13 AU) out to 0. 50 (65 AU). This inner working angle is interior to the location of the systems gap inferred by previous studies using spectral energy distribution modeling (15 AU). We detected a candidate point source companion 1. 08 northwest of the system; however, our second epoch of imagery strongly suggests that this object is a background star. We constructed a grid of Monte Carlo Radiative Transfer models of the system, and our best fit models utilize a modestly inclined (50), 0.01 M disk that has a partially depleted inner gap from the dust sublimation radius out to ∼8 AU.
|Original language||English (US)|
|State||Published - Sep 1 2015|
All Science Journal Classification (ASJC) codes
- Astronomy and Astrophysics
- Space and Planetary Science
- protoplanetary disks
- stars: variables: T Tauri, Herbig Ae/Be