Imaging protoplanets: observing transition disks with non-redundant masking

Steph Sallum; Josh Eisner; Laird M. Close; Philip M. Hinz; Katherine B. Follette; Kaitlin Kratter; Andrew J. Skemer; Vanessa P. Bailey; Runa Briguglio; Denis Defrere; Bruce A. Macintosh; Jared R. Males; Katie M. Morzinski; Alfio T. Puglisi; Timothy J. Rodigas; Eckhart Spalding; Peter G. Tuthill; Amali Vaz; Alycia Weinberger; Marco Xomperio

doi:10.1117/12.2231764

4 August 2016 Imaging protoplanets: observing transition disks with non-redundant masking

Steph Sallum, Josh Eisner, Laird M. Close, Philip M. Hinz, Katherine B. Follette, Kaitlin Kratter, Andrew J. Skemer, Vanessa P. Bailey, Runa Briguglio, Denis Defrere, Bruce A. Macintosh, Jared R. Males, Katie M. Morzinski, Alfio T. Puglisi, Timothy J. Rodigas, Eckhart Spalding, Peter G. Tuthill, Amali Vaz, Alycia Weinberger, Marco Xomperio

Author Affiliations +

Proceedings Volume 9907, Optical and Infrared Interferometry and Imaging V; 99070D (2016) https://doi.org/10.1117/12.2231764
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Transition disks, protoplanetary disks with inner clearings, are promising objects in which to directly image forming planets. The high contrast imaging technique of non-redundant masking is well posed to detect planetary mass companions at several to tens of AU in nearby transition disks. We present non-redundant masking observations of the T Cha and LkCa 15 transition disks, both of which host posited sub-stellar mass companions. However, due to a loss of information intrinsic to the technique, observations of extended sources (e.g. scattered light from disks) can be misinterpreted as moving companions. We discuss tests to distinguish between these two scenarios, with applications to the T Cha and LkCa 15 observations. We argue that a static, forward-scattering disk can explain the T Cha data, while LkCa 15 is best explained by multiple orbiting companions.

Citation Download Citation

Steph Sallum, Josh Eisner, Laird M. Close, Philip M. Hinz, Katherine B. Follette, Kaitlin Kratter, Andrew J. Skemer, Vanessa P. Bailey, Runa Briguglio, Denis Defrere, Bruce A. Macintosh, Jared R. Males, Katie M. Morzinski, Alfio T. Puglisi, Timothy J. Rodigas, Eckhart Spalding, Peter G. Tuthill, Amali Vaz, Alycia Weinberger, and Marco Xomperio "Imaging protoplanets: observing transition disks with non-redundant masking", Proc. SPIE 9907, Optical and Infrared Interferometry and Imaging V, 99070D (4 August 2016); https://doi.org/10.1117/12.2231764

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available