WW
W. -J. de Wit
astro-ph.SRastro-ph.GAastro-phastro-ph.IMastro-ph.EPastro-ph.HEphysics.ao-phphysics.ed-ph
On Valency
published · living versionsW_4swsc3hf·v1 · currentpublished
Mid-infrared evolution of eta Car from 1968 to 2018
with A. Mehner, D. Asmus, P. W. Morris, C. Agliozzo +4
1 version
Preprints & journals
106 papers in the corpus · 1998–2026Southern Massive Stars at High Angular Resolution (SMaSH+): Properties of hierarchical massive triples2606.28159v1 · E. Bordier, H. Sana, A. J. Frost et al.2026 · 1 citationarXiv
Spatial and spectral constraints on resolved mass-loss of the massive Post-RSG star IRAS 17163-3907 and its Fried Egg Nebula2603.12526v1 · E. Koumpia, A. Cikota, W.-J. de Wit et al.2026 · 0 citationsA&A 709, A83 (2026)
Unlocking the dynamics of Young Stellar Objects: Time-Domain Interferometry with six 4-m class telescopes2602.03401v1 · A. Soulain, B. Lopez, A. Matter et al.2026 · 0 citationsarXiv
Unveiling accretion in the massive YSO G033.3891. Spatial and kinematic constraints from the CO bandhead emission2408.15482v1 · E. Koumpia, D. Sun, M. Koutoulaki et al.2024 · 0 citationsA&A 690, A209 (2024)
The onset of stellar multiplicity in massive star formation: A search for low-mass companions of massive young stellar objects with -band adaptive optics imaging2311.06131v1 · E. Bordier, W.-J. de Wit, A. J. Frost et al.2023 · 7 citationsA&A 681, A85 (2024)
Effects of the Hunga Tonga-Hunga Ha'apai Volcanic Eruption on Observations at Paranal Observatory2305.08620v1 · Robert J. De Rosa, Angel Otarola, Thomas Szeifert et al.2023 · 0 citationsarXiv
First spatially resolved Na I and He I transitions towards an MYSO. Finding new tracers for the gaseous star/disc interface2211.13085v1 · Evgenia Koumpia, M. Koutoulaki, W.-J. de Wit et al.2022 · 1 citationarXiv
Tracing a decade of activity towards a yellow hypergiant. The spectral and spatial morphology of IRC+10420 at au scales2207.05812v1 · Evgenia Koumpia, R. D. Oudmaijer, W.-J. de Wit et al.2022 · 8 citationsarXiv
On the origin of close massive binaries in the M17 star-forming region2203.05036v1 · E. Bordier, A.J. Frost, H. Sana et al.2022 · 19 citationsA&A 663, A26 (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
LBV phenomenon and binarity: The environment of HR Car2109.13416v1 · A. Mehner, S. Janssens, C. Agliozzo et al.2021 · 4 citationsarXiv
The contribution by luminous blue variable stars to the dust content of the Magellanic Clouds2109.04093v1 · C. Agliozzo, N. Phillips, A. Mehner et al.2021 · 8 citationsA&A 655, A98 (2021)
Tying the geometrical traits of massive young stellar objects and their discs to a potential evolutionary sequence using infrared observations2108.05234v2 · A. J. Frost, R. D. Oudmaijer, S. L. Lumsden et al.2021 · 7 citationsarXiv
The first interferometric survey in the K-band of massive YSOs. On the hot dust, ionised gas, and binarity at au scales2108.02868v1 · E. Koumpia, W.-J. de Wit, R. D. Oudmaijer et al.2021 · 18 citationsA&A 654, A109 (2021)
K-band GRAVITY/VLTI interferometry of "extreme" Herbig Be stars. The size-luminosity relation revisited2106.07675v1 · P. Marcos-Arenal, I. Mendigut'ia, E. Koumpia et al.2021 · 8 citationsA&A 652, A68 (2021)
A measure of the size of the magnetospheric accretion region in TW Hydrae2104.06441v1 · R. Garcia Lopez, A. Natta, A. Caratti o Garatti et al.2021 · 46 citationsNature 2020, 584, 547
Unveiling the traits of massive young stellar objects through a multi-scale survey2102.05087v1 · A. J. Frost, R. D. Oudmaijer, W. J. de Wit et al.2021 · 15 citationsA&A 648, A62 (2021)
Towards a physical understanding of the thermal background in large ground-based telescopes2012.13528v1 · Leonard Burtscher, Ioannis Politopoulos, Sergio Fern'andez-Acosta et al.2020 · 4 citationsProceedings of the SPIE, Volume 11447, id. 114477L 17 pp. (2020)
The GRAVITY Young Stellar Object survey IV. The CO overtone emission in 51 Oph at sub-au scales2011.05955v1 · M. Koutoulaki, R. Garcia Lopez, A. Natta et al.2020 · 2 citationsarXiv
VLTI/PIONIER reveals the close environment of the evolved system HD1015842008.11555v1 · J. Kluska, H. Olofsson, H. Van Winckel et al.2020 · 6 citationsA&A 642, A152 (2020)
Optical/near-infrared observations of the Fried Egg Nebula: Multiple shell ejections on a 100 yr timescale from a massive yellow hypergiant2002.02499v1 · E. Koumpia, R. D. Oudmaijer, V. Graham et al.2020 · 23 citationsA&A 635, A183 (2020)
Mid-infrared evolution of eta Car from 1968 to 20181908.09154v1 · A. Mehner, W.-J. de Wit, D. Asmus et al.2019 · 18 citationsA&A 630, L6 (2019)on Valency
Substructures in the Keplerian disc around the O-type (proto)star G17.64+0.161906.06548v1 · L. T. Maud, R. Cesaroni, M. S. N. Kumar et al.2019 · 80 citationsA&A 627, L6 (2019)
On the origin of very massive stars around NGC 36031904.02126v2 · V. M. Kalari, J. S. Vink, W. de Wit et al.2019 · 10 citationsA&A 625, L2 (2019)
A multi-scale exploration of a massive young stellar object - a transition disk around G305.20+0.21?1903.04393v1 · A. J. Frost, R. D. Oudmaijer, W. J. de Wit et al.2019 · 15 citationsA&A 625, A44 (2019)
Resolving the MYSO binaries PDS 27 and PDS 37 with VLTI/PIONIER1903.02667v1 · E. Koumpia, K. M. Ababakr, W. J. de Wit et al.2019 · 10 citationsA&A 623, L5 (2019)
Chasing discs around O-type (proto)stars - ALMA evidence for an SiO disc and disc wind from G17.64+0.161810.03920v1 · L. T. Maud, R. Cesaroni, M. S. N. Kumar et al.2018 · 64 citationsA&A 620, A31 (2018)
Multiple Star Systems in the Orion Nebula1809.10376v1 · Martina Karl, Oliver Pfuhl, Frank Eisenhauer et al.2018 · 41 citationsA&A 620, A116 (2018)
GRAVITY chromatic imaging of Eta Car's core1808.02141v1 · J. Sanchez-Bermudez, G. Weigelt, J. M. Bestenlehner et al.2018 · 8 citationsarXiv
Velocity resolved [O I] 63 m emission in the HD 50138 circumstellar disk1807.09815v1 · G. Sandell, C. Salyk, M. van den Ancker et al.2018 · 2 citationsarXiv
A sextet of clusters in the Vela OB2 region revealed by Gaia1807.07073v1 · Giacomo Beccari, Henri M.J. Boffin, Tereza Jerabkova et al.2018 · 44 citationsarXiv
VLTI-GRAVITY measurements of cool evolved stars: I. Variable photosphere and extended atmosphere of the Mira star R Peg1805.05333v1 · M. Wittkowski, G. Rau, A. Chiavassa et al.2018 · 5 citationsA&A 613, L7 (2018)
Radiative transfer modelling of W33A MM1: 3-D structure and dynamics of a complex massive star forming region1804.09204v1 · Andr'es F. Izquierdo, Roberto Galv'an-Madrid, Luke T. Maud et al.2018 · 51 citationsarXiv
The protoplanetary system HD 100546 in H polarized light from SPHERE/ZIMPOL. A bar-like structure across the disk gap?1711.00023v1 · I. Mendigut'ia, R.D. Oudmaijer, A. Garufi et al.2017 · 22 citationsA&A 608, A104 (2017)
Multi-epoch VLTI-PIONIER imaging of the supergiant V766 Cen: Image of the close companion in front of the primary1709.09430v1 · M. Wittkowski, F. J. Abellan, B. Arroyo-Torres et al.2017 · 20 citationsA&A 606, L1 (2017)
The wind and the magnetospheric accretion onto the T Tauri star S Coronae Australis at sub-au resolution1709.01348v1 · R. Garcia Lopez, K. Perraut, A. Caratti o Garatti et al.2017 · 6 citationsA&A 608, A78 (2017)
The Origin of B-Type Runaway Stars: Non-LTE Abundances as a Diagnostic1708.03527v1 · Catherine M. McEvoy, Philip L. Dufton, Jonathan V. Smoker et al.2017 · 17 citationsThe Astrophysical Journal, Volume 842, Number 1, 32 (2017)
A Tale of Three Cities: OmegaCAM discovers multiple sequences in the color-magnitude diagram of the Orion Nebula Cluster1705.09496v1 · G. Beccari, M.G. Petr-Gotzens, H.M.J. Boffin et al.2017 · 3 citationsA&A 604, A22 (2017)
First Light for GRAVITY: Phase Referencing Optical Interferometry for the Very Large Telescope Interferometer1705.02345v1 · R. Abuter, M. Accardo, A. Amorim et al.2017 · 586 citationsA&A 602, A94 (2017)
Sub-milliarcsecond Optical Interferometry of the HMXB BP Cru with VLTI/GRAVITY1705.02351v1 · I. Waisberg, J. Dexter, O. Pfuhl et al.2017 · 25 citationsApJ 844, 72 (2017)
Accretion-ejection morphology of the microquasar SS433 resolved at sub-au scale1705.02359v1 · P.-O. Petrucci, I. Waisberg, J.-B. Le Bouquin et al.2017 · 17 citationsA&A 602, L11 (2017)
Disk-mediated accretion burst in a high-mass young stellar object1704.02628v1 · A. Caratti o Garatti, B. Stecklum, R. Garcia Lopez et al.2017 · 227 citations2016NatPh..13..276C
Science cases for a visible interferometer1703.02395v3 · Philippe Stee, France Allard, Myriam Benisty et al.2017 · 5 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
A mid-IR interferometric survey with MIDI/VLTI: resolving the second-generation protoplanetary disks around post-AGB binaries1610.09930v1 · M. Hillen, H. Van Winckel, J. Menu et al.2016 · 46 citationsA&A 599, A41 (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
Dissecting a SN impostor's circumstellar medium: MUSEing about the SHAPE of eta Car's outer ejecta1610.01688v1 · A. Mehner, W. Steffen, J.H. Groh et al.2016 · 11 citationsA&A 595, A120 (2016)
The 2nd Generation VLTI path to performance1608.06752v1 · Julien Woillez, Jaime Alonso, Jean-Philippe Berger et al.2016 · 7 citationsarXiv
The LBV HR Car has a partner: Discovery of a companion with the VLTI1607.07724v1 · Henri M.J. Boffin, Thomas Rivinius, Antoine Merand et al.2016 · 23 citationsA&A 593, A90 (2016)
Training telescope operators and support astronomers at Paranal1607.07227v1 · Henri M. J. Boffin, Dimitri A. Gadotti, Joe Anderson et al.2016 · 0 citationsarXiv
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