80 citations · 633 across the 36 of their papers we have counts for
6 papers · 1 filter
Accreting protoplanets: Spectral signatures and magnitude of gas and dust extinction at H alpha
G. -D. Marleau, Y. Aoyama, R. Kuiper +14
Accreting planets have been seen at Ha (H alpha), but targeted searches have not been fruitful. For planets, accretion tracers should come from the shock itself, exposing them to e…
Characterizing the protolunar disk of the accreting companion GQ Lupi B
Tomas Stolker, Sebastiaan Y. Haffert, Aurora Y. Kesseli +11
GQ Lup B is a young and accreting, substellar companion that appears to drive a spiral arm in the circumstellar disk of its host star. We report high-contrast imaging observations…
Keck/OSIRIS Pa high-contrast imaging and updated constraints on PDS~70b
Taichi Uyama, Chen Xie, Yuhiko Aoyama +11
We present a high-contrast imaging search for Pa line emission from protoplanets in the PDS~70 system with Keck/OSIRIS integral field spectroscopy. We applied the high-resolutio…
Comparison of planetary Hα-emission models: A new correlation with accretion luminosity
Yuhiko Aoyama, Gabriel-Dominique Marleau, Masahiro Ikoma +1
Accreting planets have been detected through their hydrogen-line emission, specifically H. To interpret this, stellar-regime empirical correlations between the H luminosity $…
Hydrodynamic Model of H Emission from Accretion Shocks of Proto-Giant Planet and Circumplanetary Disk
Shinsuke Takasao, Yuhiko Aoyama, Masahiro Ikoma
Recent observations have detected excess H emission from young stellar systems with an age of several Myr such as PDS 70. One-dimensional radiation-hydrodynamic models of shock-…
A faint companion around CrA-9: protoplanet or obscured binary?
V. Christiaens, M. -G. Ubeira-Gabellini, H. Cánovas +16
Understanding how giant planets form requires observational input from directly imaged protoplanets. We used VLT/NACO and VLT/SPHERE to search for companions in the transition disc…