4 papers
Variability of Disk Emission in Pre-Main Sequence and related Stars. V. Occultation Events from the innermost disk region of the Herbig Ae Star HD 163296
Monika Pikhartova, Zachary C. Long, Korash D. Assani +8
HD 163296 is a Herbig Ae star that underwent a dramatic 0.8 magnitude drop in brightness in the V photometric band in 2001 and a brightening in the near-IR in 2002. Because t…
Orbital and atmospheric characterization of the planet within the gap of the PDS 70 transition disk
A. Müller, M. Keppler, Th. Henning +43
Aims: We aim to characterize the orbital and atmospheric properties of PDS 70 b, which was first identified on May 2015 in the course of the SHINE survey with SPHERE, the extreme a…
Differences in the gas and dust distribution in the transitional disk of a sun-like young star, PDS 70
Zachary C. Long, Eiji Akiyama, Michael Sitko +22
We present ALMA 0.87 mm continuum, HCO+ J=4--3 emission line, and CO J=3--2 emission line data of the disk of material around the young, Sun-like star PDS 70. These data reveal the…
Variability of Disk Emission in Pre-Main Sequence and Related Stars IV. Investigating the Structural Changes in the Inner Disk Region of MWC 480
Rachel B. Fernandes, Zachary C. Long, Monika Pikhartova +8
We present five epochs of near IR observations of the protoplanetary disk around MWC 480 (HD31648) obtained with the SpeX spectrograph on NASA's Infrared Telescope Facility (IRTF)…