KH
Karl-Heinz Hofmann
astro-ph.SRastro-phastro-ph.EPastro-ph.GAastro-ph.IM
On Valency
published · living versionsW_qgaum4vz·v1 · currentpublished
Infrared interferometric three-dimensional diagnosis of the atmospheric dynamics of the AGB star R Dor with VLTI/AMBER
with Keiichi Ohnaka, Gerd Weigelt
1 version
Preprints & journals
70 papers in the corpus · 1986–2025High-angular-resolution ALMA imaging of the inhomogeneous dynamical atmosphere of the asymptotic giant branch star W Hya2512.03156v1 · K. Ohnaka, K. T. Wong, G. Weigelt et al.2025 · 3 citationsAstronomy and Astrophysics, 2025, 704, A18
The MATISSE view of the inner region of the RY Tau protoplanetary disk2511.08309v2 · J. S. Martin, J. Kobus, J. Varga et al.2025 · 0 citationsA&A 705, A182 (2026)
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-ZIMPOL2411.09759v1 · K. Ohnaka, K. T. Wong, G. Weigelt et al.2024 · 6 citationsAstronomy and Astrophysics, 2024, 691, L14
Spatially resolving the AGB star V3 in the metal-poor globular cluster 47 Tuc with VLTI/GRAVITY2403.03287v2 · Keiichi Ohnaka, Gerd Weigelt, Karl-Heinz Hofmann et al.2024 · 0 citationsarXiv
Mid-infrared evidence for iron-rich dust in the multi-ringed inner disk of HD 1444322401.03437v2 · J. Varga, L. B. F. M. Waters, M. Hogerheijde et al.2024 · 10 citationsA&A, 681, A47 (2024)
The dusty heart of Circinus II. Scrutinizing the LM-band dust morphology using MATISSE2309.07613v1 · Jacob W. Isbell, Jorg-Uwe Pott, Klaus Meisenheimer et al.2023 · 0 citationsarXiv
Thermal imaging of dust hiding the black hole in NGC 1068.35173340 · Gámez Rosas, Violeta, Isbell, Jacob W, Jaffe, Walter et al.2022 · 96 citationsNature. 2022;602(7897):403-407
The extended atmosphere and circumstellar environment of the cool evolved star VX Sagittarii as seen by MATISSE2112.10695v1 · A. Chiavassa, K. Kravchenko, M. Montarges et al.2021 · 12 citationsA&A 658, A185 (2022)
VLTI-MATISSE L- and N-band aperture-synthesis imaging of the unclassified B[e] star FS Canis Majoris2111.12458v1 · K.-H. Hofmann, A. Bensberg, D. Schertl et al.2021 · 14 citationsarXiv
First MATISSE L-band observations of HD 179218. Is the inner 10 au region rich in carbon dust particles?2106.12947v2 · E.Kokoulina, A. Matter, B. Lopez et al.2021 · 13 citationsA&A 652, A61 (2021)
The asymmetric inner disk of the Herbig Ae star HD 163296 in the eyes of VLTI/MATISSE: evidence for a vortex?2012.05697v1 · J. Varga, M. Hogerheijde, R. van Boekel et al.2020 · 46 citationsA&A 647, A56 (2021)
Infrared interferometric imaging of the compact dust disk around the AGB star HR3126 with the bipolar Toby Jug Nebula2012.00768v1 · Keiichi Ohnaka, Dieter Schertl, Karl-Heinz Hofmann et al.2020 · 2 citationsA&A, 643, A175 (2020)
Variable warm dust around the Herbig Ae star HD~169142: Birth of a ring?1911.10253v3 · Lei Chen, Attila Moor, Alexander Kreplin et al.2019 · 9 citationsApJL, 887, L32 (2019 December)
A compact gaseous accretion disk in Keplerian rotation around MWC1471901.04394v1 · Edward Hone, Stefan Kraus, Claire L. Davies et al.2019 · 9 citationsA&A 623, A38 (2019)
Why Chromatic Imaging Matters1812.06191v1 · Joel Sanchez-Bermudez, Florentin Millour, Fabien Baron et al.2018 · 9 citationsarXiv
The LEECH Exoplanet Imaging Survey: Limits on Planet Occurrence Rates Under Conservative Assumptions1810.10560v3 · Jordan M. Stone, Andrew J. Skemer, Philip M. Hinz et al.2018 · 76 citationsarXiv
Gas dynamics in the inner few AU around the Herbig B[e] star MWC297: Indications of a disk wind from kinematic modeling and velocity-resolved interferometric imaging1709.08467v1 · Edward Hone, Stefan Kraus, Alexander Kreplin et al.2017 · 21 citationsarXiv
A high-mass protobinary system with spatially resolved circumstellar accretion disks and circumbinary disk1612.07804v1 · Stefan Kraus, Jacques Kluska, Alexander Kreplin et al.2016 · 41 citationsarXiv
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 light1611.04622v1 · Keiichi Ohnaka, Gerd Weigelt, Karl-Heinz Hofmann2016 · 58 citationsA&A 597, A20 (2017)
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 collision1610.05438v1 · G. Weigelt, K.-H. Hofmann, D. Schertl et al.2016 · 33 citationsarXiv
Science with MATISSE1609.06152v1 · S. Wolf, B. Lopez, J.-Ch. Augereau et al.2016 · 0 citationsarXiv
Grown-up stars physics with MATISSE1607.02393v1 · Florentin Millour (UCA), J Hron, A Chiavassa (UCA) et al.2016 · 1 citationarXiv
Tracing jet emission at the base of a high-mass YSO. First AMBER/VLTI observations of the Br\gamma emission in IRAS 13481-61241603.06860v1 · A. Caratti o Garatti, B. Stecklum, G. Weigelt et al.2016 · 28 citationsA&A 589, L4 (2016)
Monte-Carlo radiative transfer simulation of the circumstellar disk of the Herbig Ae star HD 1444321512.02276v1 · L. Chen, A. Kreplin, G. Weigelt et al.2015 · 2 citationsarXiv
The LEECH Exoplanet Imaging Survey: Characterization of the Coldest Directly Imaged Exoplanet, GJ 504 b, and Evidence for Super-Stellar Metallicity1511.09183v1 · Andrew J. Skemer, Caroline V. Morley, Neil T. Zimmerman et al.2015 · 69 citationsarXiv
The LEECH Exoplanet Imaging Survey: Orbit and Component Masses of the Intermediate Age, Late-Type Binary NO UMa1510.03813v1 · Joshua E. Schlieder, Andrew J. Skemer, Anne-Lise Maire et al.2015 · 23 citationsarXiv
AMBER/VLTI high spectral resolution observations of the Br emitting region in HD 98922. A compact disc wind launched from the inner disc region1508.00798v1 · A. Caratti o Garatti, L.V. Tambovtseva, R. Garcia Lopez et al.2015 · 46 citationsA&A 582, A44 (2015)
High contrast imaging at the LBT: the LEECH exoplanet imaging survey1407.2876v1 · Andrew J. Skemer, Philip Hinz, Simone Esposito et al.2014 · 34 citationsarXiv
LEECH: A 100 Night Exoplanet Imaging Survey at the LBT1401.0481v1 · Andrew Skemer, Daniel Apai, Vanessa Bailey et al.2014 · 3 citationsarXiv
High spectral resolution imaging of the dynamical atmosphere of the red supergiant Antares in the CO first overtone lines with VLTI/AMBER1304.4800v2 · Keiichi Ohnaka, Karl-Heinz Hofmann, Dieter Schertl et al.2013 · 76 citationsarXiv
VLTI/AMBER observations of the Seyfert nucleus of NGC 37831204.6122v1 · G. Weigelt, K.-H. Hofmann, M. Kishimoto et al.2012 · 54 citationsarXiv
On the nature of the Herbig B[e] star binary system V921 Scorpii: Geometry and kinematics of the circumprimary disk on sub-AU scales1204.1969v2 · Stefan Kraus, Nuria Calvet, Lee Hartmann et al.2012 · 47 citationsarXiv
Near-infrared interferometric observation of the Herbig Ae star HD144432 with VLTI/AMBER1203.6240v1 · Lei Chen, Alexander Kreplin, Yang Wang et al.2012 · 28 citationsarXiv
On the nature of the Herbig B[e] star binary system V921 Scorpii: Discovery of a close companion and relation to the large-scale bipolar nebula1201.2420v1 · Stefan Kraus, Nuria Calvet, Lee Hartmann et al.2012 · 30 citationsarXiv
First spectro-interferometric survey of Be stars I. Observations and constraints on the disks geometry and kinematics1111.2487v3 · Anthony Meilland (FIZEAU), Florentin Millour (FIZEAU), Samer Kanaan et al.2011 · 40 citationsarXiv
Constraining the structure of the planet-forming region in the disk of the Herbig Be star HD 1005461104.0905v1 · E. Tatulli, M. Benisty, F. M'enard et al.2011 · 83 citationsarXiv
Imaging the dynamical atmosphere of the red supergiant Betelgeuse in the CO first overtone lines with VLTI/AMBER1104.0958v1 · K. Ohnaka, G. Weigelt, F. Millour et al.2011 · 122 citationsarXiv
VLTI/AMBER spectro-interferometry of the Herbig Be star MWC 297 with spectral resolution 12 0001101.3695v1 · G. Weigelt, V.P. Grinin, J.H. Groh et al.2011 · 71 citationsarXiv
First results from VLTI near-infrared interferometry on high-mass young stellar objects1008.0001v1 · Stefan Kraus, Karl-Heinz Hofmann, Karl Menten et al.2010 · 0 citationsarXiv
A hot compact dust disk around a massive young stellar object.20631793 · Kraus, Stefan, Hofmann, Karl-Heinz, Menten, Karl M et al.2010 · 153 citationsNature. 2010;466(7304):339-42
Detection of high-velocity material from the wind-wind collision zone of Eta Carinae across the 2009.0 periastron passage1003.4527v1 · Jose H. Groh, Krister E. Nielsen (NASA/GSFC & CUA), Augusto Damineli (IAG/U Sao Paulo) et al.2010 · 38 citationsarXiv
Revealing the sub-AU asymmetries of the inner dust rim in the disk around the Herbig Ae star R CrA0911.3653v1 · S. Kraus, K.-H. Hofmann, F. Malbet et al.2009 · 40 citationsarXiv
First spatial resolution of the stellar components of the interacting binary CH Cygni0910.5176v2 · Joanna Mikolajewska, Yuri Balega, Karl-Heinz Hofmann et al.2009 · 6 citationsarXiv
A binary engine fuelling HD87643' s complex circumstellar environment, using AMBER/VLTI0908.0227v2 · Florentin Millour, Olivier Chesneau (FIZEAU), Marcelo Borges Fernandes (FIZEAU) et al.2009 · 62 citationsAstronomy and Astrophysics (2009) xxx
Spatially resolving the inhomogeneous structure of the dynamical atmosphere of Betelgeuse with VLTI/AMBER0906.4792v1 · K. Ohnaka, K.-H. Hofmann, M. Benisty et al.2009 · 84 citationsarXiv
A new spectroscopic and interferometric study of the young stellar object V645 Cyg0904.1822v1 · A. S. Miroshnichenko, K.-H. Hofmann, D. Schertl et al.2009 · 8 citationsarXiv
Tracing the young massive high-eccentricity binary system Theta 1 Orionis C through periastron passage0902.0365v3 · S. Kraus, G. Weigelt, Y.Y. Balega et al.2009 · 117 citationsarXiv
VSI: the VLTI spectro-imager0807.1062v1 · F. Malbet, D. Buscher, G. Weigelt et al.2008 · 6 citationsarXiv
The origin of hydrogen line emission for five Herbig Ae/Be stars spatially resolved by VLTI/AMBER spectro-interferometry0807.1119v1 · S. Kraus, K.-H. Hofmann, M. Benisty et al.2008 · 152 citationsarXiv
Wolf-Rayet stars probed by AMBER/VLTI0807.0293v1 · Florentin Millour, Olivier Chesneau (FIZEAU), Thomas Driebe et al.2008 · 1 citationarXiv
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