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- Center for Astrophysics Harvard & SmithsonianUS354 papers
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32 papers · 1 filter
On the Ca-strong 1991bg-like type Ia supernova 2016hnk: evidence for a Chandrasekhar-mass explosion
Lluís Galbany, Chris Ashall, Peter Hoeflich +46
We present a comprehensive dataset of optical and near-infrared photometry and spectroscopy of type~Ia supernova (SN) 2016hnk, combined with integral field spectroscopy (IFS) of it…
First evidence of external disc photoevaporation in a low mass star forming region: the case of IM Lup
Thomas J. Haworth, Stefano Facchini, Cathie J. Clarke +1
We model the radiatively driven flow from IM Lup -- a large protoplanetary disc expected to be irradiated by only a weak external radiation field (at least 10 times lower than…
The ALMA view of W33A: A Spiral Filament Feeding the Candidate Disc in MM1-Main
L. T. Maud, M. G. Hoare, R. Galván-Madrid +4
We targeted the massive star forming region W33A using the Atacama Large Sub/Millimeter Array (ALMA) in band 6 (230 GHz) and 7 (345 GHz) to search for a sub-1000au disc around the…
Constraining turbulence mixing strength in transitional discs with planets using SPHERE and ALMA
M. de Juan Ovelar, P. Pinilla, M. Min +2
We investigate the effect that the turbulent mixing strength parameter plays on near-infrared polarimetric and sub-millimetre interferometric imaging observations o…
An RR Lyrae family portrait: 33 stars observed in Pisces with K2-E2
L. Molnár, R. Szabó, P. A. Moskalik +7
A detailed analysis is presented of 33 RR Lyrae stars in Pisces observed with the Kepler space telescope over the 8.9-day long K2 Two-Wheel Concept Engineering Test. The sample inc…
Resolving structure of the disk around HD100546 at 7 mm with ATCA
Christopher Wright, Sarah Maddison, David Wilner +7
There is much evidence that planet formation is occurring in the disk around the Herbig Be star HD100546. To learn more about the processes occurring in this disk we conducted high…