Search Results - "Bohn, A. J"
-
1
Two accreting protoplanets around the young star PDS 70
Published in Nature astronomy (01-08-2019)“…Newly forming protoplanets are expected to create cavities and substructures in young, gas-rich protoplanetary disks 1 – 3 , but they are difficult to detect…”
Get full text
Journal Article -
2
Demographic and mortality analysis of hospitalized children at a referral hospital in Addis Ababa, Ethiopia
Published in BMC pediatrics (21-10-2016)“…Global childhood mortality rates remain high. Millennium Development Goal 4 focused efforts on reducing rates by two-thirds between 1990 and 2015. In Ethiopia,…”
Get full text
Journal Article -
3
The Young Suns Exoplanet Survey: Detection of a wide-orbit planetary-mass companion to a solar-type Sco-Cen member
Published in Monthly notices of the Royal Astronomical Society (01-02-2020)“…ABSTRACT The Young Suns Exoplanet Survey consists of a homogeneous sample of 70 young, solar-mass stars located in the Lower Centaurus-Crux subgroup of the…”
Get full text
Journal Article -
4
(1→3)-β- d-Glucans as biological response modifiers: a review of structure-functional activity relationships
Published in Carbohydrate polymers (1995)“…(1→3)-β- d-Glucans that have β- d-glucopyranosyl units attached by (1→6) linkages as single unit branches enhance the immune system systemically. This…”
Get full text
Journal Article Conference Proceeding -
5
Spectral and angular differential imaging with SPHERE/IFS. Assessing the performance of various PCA-based approaches to PSF subtraction
Published 09-06-2021“…A&A 652, A33 (2021) Angular differential imaging (ADI) and spectral differential imaging (SDI) are commonly used for direct detection and characterisation of…”
Get full text
Journal Article -
6
A multiplicity study of transiting exoplanet host stars. II. Revised properties of transiting planetary systems with companions
Published 27-01-2020“…A&A 635, A74 (2020) We perform a detailed study of six transiting planetary systems with relatively bright stars close enough to affect observations of these…”
Get full text
Journal Article -
7
Probing inner and outer disk misalignments in transition disks
Published 30-11-2021“…A&A 658, A183 (2022) For several transition disks (TDs), dark regions interpreted as shadows have been observed in scattered light imaging and are hypothesized…”
Get full text
Journal Article -
8
A multiplicity study of transiting exoplanet host stars. I. High-contrast imaging with VLT/SPHERE
Published 22-01-2020“…A&A 635, A73 (2020) We study the multiplicity of host stars to known transiting extra-solar planets to test competing theories on the formation mechanisms of…”
Get full text
Journal Article -
9
ALMA and NACO observations towards the young exoring transit system J1407 (V1400 Cen)
Published 06-12-2019“…A&A 633, A115 (2020) Our aim was to directly detect the thermal emission of the putative exoring system responsible for the complex deep transits observed in…”
Get full text
Journal Article -
10
A survey of the linear polarization of directly imaged exoplanets and brown dwarf companions with SPHERE-IRDIS. First polarimetric detections revealing disks around DH Tau B and GSC 6214-210 B
Published 11-01-2021“…A&A 647, A21 (2021) Young giant planets and brown dwarf companions emit near-infrared radiation that can be linearly polarized up to several percent. This…”
Get full text
Journal Article -
11
Two accreting protoplanets around the young star PDS 70
Published 04-06-2019“…Nature Astronomy 2019 Newly forming proto-planets are expected to create cavities and substructures in young, gas-rich proto-planetary disks, but they are…”
Get full text
Journal Article -
12
Discovery of a directly imaged disk in scattered light around the Sco-Cen member Wray 15-788
Published 16-12-2019“…A&A 624, A87 (2019) As part of our on-going survey we have carried out high-contrast imaging with VLT/SPHERE/IRDIS to obtain polarized and total intensity…”
Get full text
Journal Article -
13
The Young Suns Exoplanet Survey: Detection of a wide orbit planetary mass companion to a solar-type Sco-Cen member
Published 09-12-2019“…The Young Suns Exoplanet Survey (YSES) consists of a homogeneous sample of 70 young, solar-mass stars located in the Lower Centaurus-Crux subgroup of the…”
Get full text
Journal Article -
14
The vector-apodizing phase plate coronagraph: design, current performance, and future development
Published 04-11-2021“…Over the last decade, the vector-apodizing phase plate (vAPP) coronagraph has been developed from concept to on-sky application in many high-contrast imaging…”
Get full text
Journal Article -
15
Spirals inside the millimeter cavity of transition disk SR 21
Published 18-03-2020“…Hydrodynamical simulations of planet-disk interactions suggest that planets may be responsible for a number of the sub-structures frequently observed in disks…”
Get full text
Journal Article -
16
The SPHERE infrared survey for exoplanets (SHINE). III. The demographics of young giant exoplanets below 300 au with SPHERE
Published 13-07-2020“…A&A 651, A72 (2021) The SHINE project is a 500-star survey performed with SPHERE on the VLT for the purpose of directly detecting new substellar companions and…”
Get full text
Journal Article -
17
Inhibition of glycoprotein oligosaccharide processing in vitro and in influenza-virus-infected cells by alpha-D-mannopyranosylmethyl-p-nitrophenyltriazene
Published in Biochemical journal (01-11-1988)“…The effects of alpha-D-mannopyranosylmethyl-p-nitrophenyltriazene (MMNT) on mannosidases involved in asparagine-linked oligosaccharide processing were…”
Get full text
Journal Article -
18
Rail gun experimental results due to varying bore and arc materials, and varying the number of barrel turns
Published in IEEE transactions on magnetics (01-11-1986)“…We have built rail guns in a range of square bore Configurations (5, 8, 16 and 25 mm) and tested them with one, two and three turn barrels. We have achieved 4…”
Get full text
Journal Article -
19
SPHERE / ZIMPOL observations of the symbiotic system R Aqr. I. Imaging of the stellar binary and the innermost jet clouds
Published 16-03-2017“…A&A 602, A53 (2017) R Aqr is a symbiotic binary system consisting of a mira variable, a hot companion with a spectacular jet outflow, and an extended emission…”
Get full text
Journal Article -
20
Computational design of trimeric influenza-neutralizing proteins targeting the hemagglutinin receptor binding site
Published in Nature biotechnology (01-07-2017)“…A method to target trimeric membrane proteins by designing geometrically matched trimeric protein binders is demonstrated for the influenza-virus glycoprotein…”
Get full text
Journal Article