171 citations · 444 across the 10 of their papers we have counts for
11 papers
Consistency and precision of very long baseline interferometry source coordinate time series
X. -X. Zhang, N. Liu, S. B. Lambert +18
Coordinate time series of extragalactic radio sources from very long baseline interferometry observations are widely used to evaluate source positional stability, select stable sou…
Astrometric properties of reference frame sources as a function of redshift
Zhiyun Zhang, N. Liu, Xiaxuan Zhang +8
Previous studies based on the latest realisation of the International Celestial Reference Frame (ICRF3) have suggested a correlation between astrometric properties (such as the rad…
Distributions of gas and small and large grains in the LkH disk trace a young planetary system
P. Pinilla, M. Benisty, N. T. Kurtovic +13
[abridged] We present new scattered light and millimeter observations of the protoplanetary disk around LkH, using SPHERE/VLT and ALMA, respectively. The scattered-light SP…
The disk of FU Orionis viewed with MATISSE/VLTI: first interferometric observations in and bands
F. Lykou, P. Ábrahám, L. Chen +30
The disk of FU Orionis is marginally resolved with MATISSE, suggesting that the region emitting in the thermal infrared is rather compact. An upper limit of mas (in…
Deep imaging search for planets forming in the TW Hya protoplanetary disk with the Keck/NIRC2 vortex coronagraph
G. Ruane, D. Mawet, J. Kastner +10
Distinct gap features in the nearest protoplanetary disk, TW Hya (distance of 59.50.9 pc), may be signposts of ongoing planet formation. We performed long-exposure thermal inf…
The ALMA Early Science View of FUor/EXor objects. III. The Slow and Wide Outflow of V883 Ori
D. Ruíz-Rodríguez, L. A. Cieza, J. P. Williams +4
We present Atacama Large Millimeter/ sub-millimeter Array (ALMA) observations of V883 Ori, an FU Ori object. We describe the molecular outflow and envelope of the system based on t…
The ALMA Early Science View of FUor/EXor objects. II. The Very Wide Outflow Driven by HBC 494
D. Ruíz-Rodríguez, L. A. Cieza, J. P. Williams +10
We present Atacama Large Millimeter/sub-millimeter Array (ALMA) Cycle-2 observations of the HBC 494 molecular outflow and envelope. HBC 494 is an FU Ori-like object embedded in the…
Test of source selection for constructing a more stable and uniform celestial reference frame
N. Liu, J. -C. Liu, Z. Zhu
We aim to evaluate the possibility of improving the ICRS realization starting from the ICRF2 catalogue by investigating the coordinate time series of radio sources observed by VLBI…
The Structure of Pre-transitional Protoplanetary Disks. II. Azimuthal Asymmetries, Different Radial Distributions of Large and Small Dust Grains in PDS~70
J. Hashimoto, T. Tsukagoshi, J. M. Brown +54
The formation scenario of a gapped disk, i.e., transitional disk, and its asymmetry is still under debate. Proposed scenarios such as disk-planet interaction, photoevaporation, gra…
Discovery and Observations of ASASSN-13db, an EX Lupi-Type Accretion Event on a Low-Mass T Tauri Star
Thomas W. -S. Holoien, Jose L. Prieto, Krzysztof Z. Stanek +19
We discuss ASASSN-13db, an EX Lupi-type ("EXor") accretion event on the young stellar object (YSO) SDSS J051011.01032826.2 (hereafter SDSSJ0510) discovered by the All-Sky Automa…
Polarimetric Imaging of Large Cavity Structures in the Pre-transitional Protoplanetary Disk around PDS 70: Observations of the disk
Jun Hashimoto, Ruobing Dong, Tomoyuki Kudo +52
We present high resolution H-band polarized intensity (PI; FWHM = 0."1: 14 AU) and L'-band imaging data (FWHM = 0."11: 15 AU) of the circumstellar disk around the weak-lined T Taur…