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Keiichi Ohnaka
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43
Imaging the innermost circumstellar environment of the red supergiant WOH G64 in the Large Magellanic Cloud
2 December 2024 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
,
Astrophysics of Galaxies
Contemporaneous high-angular-resolution imaging of the AGB star W Hya in vibrationally excited H2O lines and visible polarized light with ALMA and VLT/SPHERE-ZIMPOL
14 November 2024 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
,
Astrophysics of Galaxies
An impressionist view of V Hydrae. When MATISSE paints Asymmetric Giant Blobs
13 May 2024 by
Lea Planquart
and
others
Solar and Stellar Astrophysics
,
Astrophysics of Galaxies
Spatially resolving the AGB star V3 in the metal-poor globular cluster 47 Tuc with VLTI/GRAVITY
11 March 2024 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
,
Astrophysics of Galaxies
Spatially resolved mid-infrared observations of the circumstellar environment of the born-again object FG Sge
14 December 2022 by
Keiichi Ohnaka
and
B. A. Jara Bravo
Solar and Stellar Astrophysics
VLTI-MATISSE L- and N-band aperture-synthesis imaging of the unclassified B[e] star FS Canis Majoris
24 November 2021 by
Karl-Heinrich Hofmann
and
others
Solar and Stellar Astrophysics
Infrared interferometric imaging of the compact dust disk around the AGB star HR3126 with the bipolar Toby Jug Nebula
1 December 2020 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
ALMA and VLA reveal the lukewarm chromospheres of the nearby red supergiants Antares and Betelgeuse
14 June 2020 by
E. O'Gorman
and
others
at
ASTRON
Solar and Stellar Astrophysics
Infrared interferometric three-dimensional diagnosis of the atmospheric dynamics of the AGB star R Dor with VLTI/AMBER
19 August 2019 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
Constraining stellar parameters and atmospheric dynamics of the carbon AGB star V Oph
19 July 2019 by
Gioia Rau
and
others
Solar and Stellar Astrophysics
Exploring the innermost dust formation region of the oxygen-rich AGB star IK~Tau with VLT/SPHERE-ZIMPOL and VLTI/AMBER
12 July 2019 by
Christian Adam
and
Keiichi Ohnaka
Solar and Stellar Astrophysics
Cool, evolved stars: results, challenges, and promises for the next decade
11 March 2019 by
Gioia Rau
and
others
Solar and Stellar Astrophysics
Spatially resolving the atmosphere of the non-Mira-type AGB star SW Vir in near-infrared molecular and atomic lines with VLTI/AMBER
14 November 2018 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
Spatially resolving the thermally inhomogeneous outer atmosphere of the red giant Arcturus in the 2.3 micron CO lines
4 September 2018 by
Keiichi Ohnaka
and
C. A. L. Morales Marin
Solar and Stellar Astrophysics
ALMA observations of the nearby AGB star L
_{\rm 2}
Puppis. II. Gas disk properties derived from
^{\rm 12}
CO and
^{\rm13}
CO
J=
3
-
2 emission
14 March 2018 by
Ward Homan
and
others
Solar and Stellar Astrophysics
The close circumstellar environment of Betelgeuse - V. Rotation velocity and molecular envelope properties from ALMA
28 November 2017 by
Pierre Kervella
and
others
Solar and Stellar Astrophysics
Vigorous atmospheric motion in the red supergiant star Antares
21 August 2017 by
Keiichi Ohnaka
and
others
at
ASTRON
Solar and Stellar Astrophysics
Science cases for a visible interferometer
8 March 2017 by
Philippe Stee
and
others
Solar and Stellar Astrophysics
,
Earth and Planetary Astrophysics
ALMA observations of the nearby AGB star L2 Puppis - I. Mass of the central star and detection of a candidate planet
18 November 2016 by
Pierre Kervella
and
others
Solar and Stellar Astrophysics
Clumpy dust clouds and extended atmosphere of the AGB star W Hya revealed with VLT/SPHERE-ZIMPOL and VLTI/AMBER II. Time variations between pre-maximum and minimum light
14 November 2016 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
VLTI-AMBER velocity-resolved aperture-synthesis imaging of Eta Carinae with a spectral resolution of 12000. Studies of the primary star wind and innermost wind-wind collision
18 October 2016 by
G. Weigelt
and
others
Solar and Stellar Astrophysics
Clumpy dust clouds and extended atmosphere of the AGB star W Hya revealed with VLT/SPHERE-ZIMPOL and VLTI/AMBER
11 March 2016 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
The dust disk and companion of the nearby AGB star L2 Puppis - SPHERE/ZIMPOL polarimetric imaging at visible wavelengths
13 November 2015 by
Pierre Kervella
and
others
Solar and Stellar Astrophysics
AMBER-NACO aperture-synthesis imaging of the half-obscured central star and the edge-on disk of the red giant L2 Pup
23 July 2015 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
Properties of the CO and H
_2
O MOLsphere of the red supergiant Betelgeuse from VLTI/AMBER observations
2 October 2014 by
Miguel Montargès
and
others
Solar and Stellar Astrophysics
Imaging the outward motions of clumpy dust clouds around the red supergiant Antares with VLT/VISIR
2 July 2014 by
Keiichi Ohnaka
Solar and Stellar Astrophysics
High spectral resolution spectroscopy of the SiO fundamental lines in red giants and red supergiants with VLT/VISIR
29 October 2013 by
Keiichi Ohnaka
Solar and Stellar Astrophysics
VLA survey of the 22 GHz H2O masers toward 10 silicate carbon stars
16 October 2013 by
Keiichi Ohnaka
and
others
Solar and Stellar Astrophysics
New insights into the dust formation of oxygen-rich AGB stars
7 October 2013 by
I. Karovicova
and
others
Solar and Stellar Astrophysics
Exploring the water and carbon monoxide shell around Betelgeuse with VLTI/AMBER
29 May 2013 by
Miguel Montargès
and
others
Solar and Stellar Astrophysics
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Topics
Solar and Stellar Astrophysics
Astrophysics of Galaxies
Instrumentation and Methods for Astrophysics
Earth and Planetary Astrophysics