Related papers: GRAVITY spectro-interferometric study of the massi…

Sub-milliarcsecond Optical Interferometry of the HMXB BP Cru with VLTI/GRAVITY

We observe the HMXB BP Cru using interferometry in the near-infrared K band with VLTI/GRAVITY. Continuum visibilities are at most partially resolved, consistent with the predicted size of the hypergiant. Differential visibility amplitude…

Solar and Stellar Astrophysics · Physics 2025-06-04 GRAVITY Collaboration , I. Waisberg , J. Dexter , O. Pfuhl , R. Abuter , A. Amorin , N. Anugu , J. P. Berger , N. Blind , H. Bonnet , W. Brandner , A. Buron , Y. Clénet , W. de Wit , C. Deen , F. Delplancke-Ströbele , R. Dembet , G. Duvert , A. Eckart , F. Eisenhauer , P. Fédou , G. Finger , P. Garcia , R. Garcia Lopez , E. Gendron , R. Genzel , S. Gillessen , X. Haubois , M. Haug , F. Haussmann , Th. Henning , S. Hippler , M. Horrobin , Z. Hubert , L. Jochum , L. Jocou , P. Kervella , Y. Kok , M. Kulas , S. Lacour , V. Lapeyrère , J. -B. Le Bouquin , P. Lèna , M. Lippa , A. Mérand , E. Müller , T. Ott , L. Pallanca , J. Panduro , T. Paumard , K. Perraut , G. Perrin , S. Rabien , A. Ramírez , J. Ramos , C. Rau , R. -R. Rohloff , G. Rousset , J. Sanchez-Bermudez , S. Scheithauer , M. Schöller , C. Straubmeier , E. Sturm , F. Vincent , I. Wank , E. Wieprecht , M. Wiest , E. Wiezorrek , M. Wittkowski , J. Woillez , S. Yazici

VLTI/GRAVITY upper limit on near-infrared emission from the nearby 33 Msun black hole Gaia BH3

The recent astrometric discovery of the nearby (590 pc) massive ($33 M_\odot$) dormant black hole candidate Gaia BH3 offers the possibility to angularly resolve the black hole from its companion star by using optical interferometry. Our aim…

Astrophysics of Galaxies · Physics 2025-02-28 Pierre Kervella , Pasquale Panuzzo , Alexandre Gallenne , Antoine Mérand , Frédéric Arenou , Elisabetta Caffau , Sylvestre Lacour , Tsevi Mazeh , Berry Holl , Carine Babusiaux , Nicolas Nardetto , Maïca Clavel , Jean-Baptiste Le Bouquin , Damien Ségransan

First Light for GRAVITY: Phase Referencing Optical Interferometry for the Very Large Telescope Interferometer

GRAVITY is a new instrument to coherently combine the light of the European Southern Observatory Very Large Telescope Interferometer to form a telescope with an equivalent 130 m diameter angular resolution and a collecting area of 200…

Instrumentation and Methods for Astrophysics · Physics 2017-06-21 GRAVITY Collaboration , R. Abuter , M. Accardo , A. Amorim , N. Anugu , G. Ávila , N. Azouaoui , M. Benisty , J. P. Berger , N. Blind , H. Bonnet , P. Bourget , W. Brandner , R. Brast , A. Buron , L. Burtscher , F. Cassaing , F. Chapron , É. Choquet , Y. Clénet , C. Collin , V. Coudé du Foresto , W. de Wit , P. T. de Zeeuw , C. Deen , F. Delplancke-Ströbele , R. Dembet , F. Derie , J. Dexter , G. Duvert , M. Ebert , A. Eckart , F. Eisenhauer , M. Esselborn , P. Fédou , G. Finger , P. Garcia , C. E. Garcia Dabo , R. Garcia Lopez , E. Gendron , R. Genzel , S. Gillessen , F. Gonte , P. Gordo , M. Grould , U. Grözinger , S. Guieu , P. Haguenauer , O. Hans , X. Haubois , M. Haug , F. Haussmann , Th. Henning , S. Hippler , M. Horrobin , A. Huber , Z. Hubert , N. Hubin , C. A. Hummel , G. Jakob , A. Janssen , L. Jochum , L. Jocou , A. Kaufer , S. Kellner , L. Kern , P. Kervella , M. Kiekebusch , R. Klein , Y. Kok , J. Kolb , M. Kulas , S. Lacour , V. Lapeyrère , B. Lazareff , J. -B. Le Bouquin , P. Lèna , R. Lenzen , S. Lévêque , M. Lippa , Y. Magnard , L. Mehrgan , M. Mellein , A. Mérand , J. Moreno-Ventas , T. Moulin , E. Müller , F. Müller , U. Neumann , S. Oberti , T. Ott , L. Pallanca , J. Panduro , L. Pasquini , T. Paumard , I. Percheron , K. Perraut , G. Perrin , A. Pflüger , O. Pfuhl , T. Phan Duc , P. M. Plewa , D. Popovic , S. Rabien , A. Ramírez , J. Ramos , C. Rau , M. Riquelme , R. -R. Rohloff , G. Rousset , J. Sanchez-Bermudez , S. Scheithauer , M. Schöller , N. Schuhler , J. Spyromilio , C. Straubmeier , E. Sturm , M. Suarez , K. R. W. Tristram , N. Ventura , F. Vincent , I. Waisberg , I. Wank , J. Weber , E. Wieprecht , M. Wiest , E. Wiezorrek , M. Wittkowski , J. Woillez , B. Wolff , S. Yazici , D. Ziegler , G. Zins

An Interferometric and Spectroscopic Analysis of the Multiple Star System HD 193322

The star HD 193322 is a remarkable multiple system of massive stars that lies at the heart of the cluster Collinder 419. Here we report on new spectroscopic observations and radial velocities of the narrow-lined component Ab1 that we use to…

Solar and Stellar Astrophysics · Physics 2015-05-28 Theo A. ten Brummelaar , David P. O'Brien , Brian D. Mason , Christopher D. Farrington , Alexander W. Fullerton , Douglas R. Gies , Erika D. Grundstrom , William I. Hartkopf , Rachel A. Matson , Harold A. McAlister , M. Virginia McSwain , Lewis C. Roberts, , Gail H. Schaefer , Sergio Simon-Diaz , Judit Sturmann , Laszlo Sturmann , Nils H. Turner , Stephen J. Williams

GRAVITY: a four-telescope beam combiner instrument for the VLTI

GRAVITY is an adaptive optics assisted Beam Combiner for the second generation VLTI instrumentation. The instrument will provide high-precision narrow-angle astrometry and phase-referenced interferometric imaging in the astronomical K-band…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 S. Gillessen , F. Eisenhauer , G. Perrin , W. Brandner , C. Straubmeier , K. Perraut , A. Amorim , M. Schöller , C. Araujo-Hauck , H. Bartko , H. Baumeister , J. -P. Berger , P. Carvas , F. Cassaing , F. Chapron , E. Choquet , Y. Clenet , C. Collin , A. Eckart , P. Fedou , S. Fischer , E. Gendron , R. Genzel , P. Gitton , F. Gonte , A. Gräter , P. Haguenauer , M. Haug , X. Haubois , T. Henning , S. Hippler , R. Hofmann , L. Jocou , S. Kellner , P. Kervella , R. Klein , N. Kudryavtseva , S. Lacour , V. Lapeyrere , W. Laun , P. Lena , R. Lenzen , J. Lima , D. Moch , D. Moratschke , T. Moulin , V. Naranjo , U. Neumann , A. Nolot , T. Paumard , O. Pfuhl , S. Rabien , J. Ramos , J. M. Rees , R. -R. Rohloff , D. Rouan , G. Rousset , A. Sevin , M. Thiel , K. Wagner , M. Wiest , S. Yazici , D. Ziegler

Optical spectroscopy of X-Mega targets in the Carina Nebula. II. The massive double-lined O-type binary HD 93205

A new high-quality set of orbital parameters for the O-type spectroscopic binary HD93205 has been obtained combining echelle and coude CCD observations. The radial velocity orbits derived from the HeII 4686 A (primary component) and HeI…

Astrophysics · Physics 2009-11-06 N. I. Morrell , R. H. Barba , V. S. Niemela , M. A. Corti , J. F. Albacete Colombo , G. Rauw , M. Corcoran , T. Morel , J. -F. Bertrand , A. F. J. Moffat , N. St-Louis

The GRAVITY Young Stellar Object survey VIII. Gas and dust faint inner rings in the hybrid disk of HD141569

The formation and evolution of planetary systems impact the primordial accretion disk. HD141569 is the only known pre-main sequence star characterized by a hybrid disk. Observations probed the outer-disk structure showing a complex system…

Solar and Stellar Astrophysics · Physics 2021-12-01 GRAVITY Collaboration , V. Ganci , L. Labadie , L. Klarmann , A. de Valon , K. Perraut , M. Benisty , W. Brandner , A. Caratti o Garatti , C. Dougados , F. Eupen , R. Garcia Lopez , R. Grellmann , J. Sanchez-Bermudez , A. Wojtczak , P. Garcia , A. Amorim , M. Bauböck , J. -P. Berger , P. Caselli , Y. Clénet , V. Coudé du Foresto , P. T. de Zeeuw , A. Drescher , G. Duvert , A. Eckart , F. Eisenhauer , M. Filho , F. Gao , E. Gendron , R. Genzel , S. Gillessen , G. Heissel , T. Henning , S. Hippler , M. Horrobin , Z. Hubert , A. Jiménez-Rosales , L. Jocou , P. Kervella , S. Lacour , V. Lapeyrère , J. -B. Le Bouquin , P. Léna , T. Ott , T. Paumard , G. Perrin , O. Pfuhl , G. Heißel , G. Rousset , S. Scheithauer , J. Shangguan , T. Shimizu , J. Stadler , O. Straub , C. Straubmeier , E. Sturm , E. van Dishoeck , F. Vincent , S. D. von Fellenberg , F. Widmann , J. Woillez , .

The GRAVITY young stellar object survey: XI. Imaging the hot gas emission around the Herbig Ae star HD 58647

We aim to investigate the origin of the HI Br$\gamma$ emission in young stars by using GRAVITY to image the innermost region of circumstellar disks, where important physical processes such as accretion and winds occur. With high spectral…

Earth and Planetary Astrophysics · Physics 2023-12-15 Y. -I. Bouarour , R. Garcia Lopez , J. Sanchez-Bermudez , A. Caratti o Garatti , K. Perraut , N. Aimar , A. Amorim , J. -P. Berger , G. Bourdarot , W. Brandner , Y. Clénet , P. T. de Zeeuw , C. Dougados , A. Drescher , A. Eckart , F. Eisenhauer , M. Flock , P. Garcia , E. Gendron , R. Genzel , S. Gillessen , S. Grant , G. Heißel , Th. Henning , L. Jocou , P. Kervella , L. Labadie , S. Lacour , V. Lapeyrère , J. -B. Le Bouquin , P. Léna , H. Linz , D. Lutz , F. Mang , H. Nowacki , T. Ott , T. Paumard , G. Perrin , J. E. Pineda , D. C. Ribeiro , M. Sadun Bordoni , J. Shangguan , T. Shimizu , A. Soulain , C. Straubmeier , E. Sturm , L. Tacconi , F. Vincent

GRAVITY: the VLTI 4-beam combiner for narrow-angle astrometry and interferometric imaging

GRAVITY is the second generation Very Large Telescope Interferometer instrument for precision narrow-angle astrometry and interferometric imaging in the Near Infra-Red (NIR). It shall provide precision astrometry of order 10…

Instrumentation and Methods for Astrophysics · Physics 2015-03-26 N. Blind , F. Eisenhauer , S. Gillessen , Y. Kok , M. Lippa , G. Perrin , R. Dembet , P. Fedou , S. Lacour , K. Perraut , L. Jocou , L. Burtscher , O. Hans , M. Haug , F. Haussmann , S. Huber , A. Janssen , S. Kellner , T. Ott , O. Pfuhl , E. Sturm , J. Weber , E. Wieprecht , A. Amorim , W. Brandner , C. Straubmeier

H.E.S.S. observations of the Carina nebula and its enigmatic colliding wind binary Eta Carinae

The massive binary system Eta Carinae and the surrounding HII complex, the Carina Nebula, are potential particle acceleration sites from which very-high-energy (VHE; E > 100 GeV) \gamma-ray emission could be expected. This paper presents…

High Energy Astrophysical Phenomena · Physics 2015-06-04 HESS Collaboration , A. Abramowski , F. Acero , F. Aharonian , A. G. Akhperjanian , G. Anton , A. Balzer , A. Barnacka , Y. Becherini , J. Becker , K. Bernlöhr , E. Birsin , J. Biteau , A. Bochow , C. Boisson , J. Bolmont , P. Bordas , J. Brucker , F. Brun , P. Brun , T. Bulik , I. Büsching , S. Carrigan , S. Casanova , M. Cerruti , P. M. Chadwick , A. Charbonnier , R. C. G. Chaves , A. Cheesebrough , G. Cologna , J. Conrad , M. Dalton , M. K. Daniel , I. D. Davids , B. Degrange , C. Deil , H. J. Dickinson , A. Djannati-Ataï , W. Domainko , L. O'C. Drury , G. Dubus , K. Dutson , J. Dyks , M. Dyrda , K. Egberts , P. Eger , P. Espigat , L. Fallon , S. Fegan , F. Feinstein , M. V. Fernandes , A. Fiasson , G. Fontaine , A. Förster , M. Füßling , Y. A. Gallant , T. Garrigoux , H. Gast , L. Gèrard , B. Giebels , J. F. Glicenstein , B. Glück , D. Göring , M. -H. Grondin , S. Häffner , J. D. Hague , J. Hahn , D. Hampf , J. Harris , M. Hauser , S. Heinz , G. Heinzelmann , G. Henri , G. Hermann , A. Hillert , J. A. Hinton , W. Hofmann , P. Hofverberg , M. Holler , D. Horns , A. Jacholkowska , C. Jahn , M. Jamrozy , I. Jung , M. A. Kastendieck , K. Katarzyński , U. Katz , S. Kaufmann , B. Khélifi , D. Klochkov , W. Kluźniak , T. Kneiske , Nu. Komin , K. Kosack , R. Kossakowski , F. Krayzel , H. Laffon , G. Lamanna , J. -P. Lenain , D. Lennarz , T. Lohse , A. Lopatin , C. -C. Lu , V. Marandon , A. Marcowith , J. Masbou , G. Maurin , N. Maxted , M. Mayer , T. J. L. McComb , M. C. Medina , J. Méhault , R. Moderski , M. Mohamed , E. Moulin , C. L. Naumann , M. Naumann-Godo , M. de Naurois , D. Nedbal , D. Nekrassov , N. Nguyen , B. Nicholas , J. Niemiec , S. J. Nolan , S. Ohm , E. de Oña Wilhelmi , B. Opitz , M. Ostrowski , I. Oya , M. Panter , M. Paz Arribas , N. W. Pekeur , G. Pelletier , J. Perez , P. -O. Petrucci , B. Peyaud , S. Pita , G. Pühlhofer , M. Punch , A. Quirrenbach , M. Raue , A. Reimer , O. Reimer , M. Renaud , R. de los Reyes , F. Rieger , J. Ripken , L. Rob , S. Rosier-Lees , G. Rowell , B. Rudak , C. B. Rulten , V. Sahakian , D. A. Sanchez , A. Santangelo , R. Schlickeiser , A. Schulz , U. Schwanke , S. Schwarzburg , S. Schwemmer , F. Sheidaei , J. L. Skilton , H. Sol , G. Spengler , Ł. Stawarz , R. Steenkamp , C. Stegmann , F. Stinzing , K. Stycz , I. Sushch , A. Szostek , J. -P. Tavernet , R. Terrier , M. Tluczykont , K. Valerius , C. van Eldik , G. Vasileiadis , C. Venter , A. Viana , P. Vincent , H. J. Völk , F. Volpe , S. Vorobiov , M. Vorster , S. J. Wagner , M. Ward , R. White , A. Wierzcholska , M. Zacharias , A. Zajczyk , A. A. Zdziarski , A. Zech , H. -S. Zechlin , T. Montmerle

Towards a consistent model of the hot quadruple system HD 93206 = QZ Carinae - I. Observations and their initial analyses

The hot nine-component system HD 93206, which contains a gravitationally bounded eclipsing Ac1+Ac2 binary ($P=5.9987$~d) and a spectroscopic Aa1+Aa2 ($P=20.734$~d) binary can provide~important insights into the origin and evolution of…

Solar and Stellar Astrophysics · Physics 2022-10-05 P. Harmanec , P. Zasche , M. Brož , R. Catalan-Hurtado , B. N. Barlow , W. Frondorf , M. Wolf , H. Drechsel , R. Chini , A. Nasseri , A. Pigulski , J. Labadie-Bartz , G. W. Christie , W. S. G. Walker , M. Blackford , D. Blane , A. A. Henden , T. Bohlsen , H. Božić , J. Jonák

The origin of hydrogen line emission for five Herbig Ae/Be stars spatially resolved by VLTI/AMBER spectro-interferometry

To trace the accretion and outflow processes around YSOs, diagnostic spectral lines such as the BrG 2.166 micron line are widely used, although due to a lack of spatial resolution, the origin of the line emission is still unclear. Employing…

Astrophysics · Physics 2009-11-13 S. Kraus , K. -H. Hofmann , M. Benisty , J. -P. Berger , O. Chesneau , A. Isella , F. Malbet , A. Meilland , N. Nardetto , A. Natta , T. Preibisch , D. Schertl , M. Smith , P. Stee , E. Tatulli , L. Testi , G. Weigelt

Multi-wavelength VLTI study of the puffed-up inner rim of a circumbinary disc

The presence of stable, compact circumbinary discs of gas and dust around post-asymptotic giant branch (post-AGB) binary systems has been well established. We focus on one such system: IRAS 08544-4431. We present an interferometric…

Solar and Stellar Astrophysics · Physics 2021-06-16 A. Corporaal , J. Kluska , H. Van Winckel , D. Bollen , D. Kamath , M. Min

The GRAVITY young stellar object survey XIII. Tracing the time-variable asymmetric disk structure in the inner AU of the Herbig star HD98922

Temporal variability in the photometric and spectroscopic properties of protoplanetary disks is common in YSO. However, evidence pointing toward changes in their morphology over short timescales has only been found for a few sources, mainly…

Solar and Stellar Astrophysics · Physics 2024-02-01 GRAVITY Collaboration , V. Ganci , L. Labadie , K. Perraut , A. Wojtczak , J. Kaufhold , M. Benisty , E. Alecian , G. Bourdarot , W. Brandner , A. Caratti o Garatti , C. Dougados , R. Garcia Lopez , J. Sanchez-Bermudez , A. Soulain , A. Amorim , J. -P. Berger , P. Caselli , Y. Clénet , A. Drescher , A. Eckart , F. Eisenhauer , M. Fabricius , H. Feuchtgruber , P. Garcia , E. Gendron , R. Genzel , S. Gillessen , S. Grant , G. Heißel , T. Henning , M. Horrobin , L. Jocou , P. Kervella , S. Lacour , V. Lapeyrère , J. -B. Le Bouquin , P. Léna , D. Lutz , F. Mang , N. Morujão , T. Ott , T. Paumard , G. Perrin , D. Ribeiro , M. Sadun Bordoni , S. Scheithauer , J. Shangguan , T. Shimizu , C. Straubmeier , E. Sturm , L. Tacconi , E. van Dishoeck , F. Vincent , J. Woillez

The non-thermal radio emitter HD 93250 resolved by long baseline interferometry

As the brightest O-type X-ray source in the Carina nebula, HD 93250 (O4 III(fc)) is X-ray overluminous for its spectral type and has an unusually hard X-ray spectrum. Two different scenarios have been invoked to explain its X-ray…

Solar and Stellar Astrophysics · Physics 2011-10-06 H. Sana , J. -B. Le Bouquin , M. De Becker , J. -P. Berger , A. de Koter , A. Merand

The GRAVITY instrument software / High-level software

GRAVITY is the four-beam, near- infrared, AO-assisted, fringe tracking, astrometric and imaging instrument for the Very Large Telescope Interferometer (VLTI). It is requiring the development of one of the most complex instrument software…

Instrumentation and Methods for Astrophysics · Physics 2015-01-26 Leonard Burtscher , Ekkehard Wieprecht , Thomas Ott , Yitping Kok , Senol Yazici , Narsireddy Anugu , Roderick Dembet , Pierre Fedou , Sylvestre Lacour , Juergen Ott , Thibaut Paumard , Vincent Lapeyrere , Pierre Kervella , Roberto Abuter , Eszter Pozna , Frank Eisenhauer , Nicolas Blind , Reinhard Genzel , Stefan Gillessen , Oliver Hans , Marcus Haug , Frank Haussmann , Stefan Kellner , Magdalena Lippa , Oliver Pfuhl , Eckhard Sturm , Johannes Weber , Antonio Amorim , Wolfgang Brandner , Karine Rousselet-Perraut , Guy S. Perrin , Christian Straubmeier , Markus Schoeller

First Light for GRAVITY Wide: Large Separation Fringe Tracking for the Very Large Telescope Interferometer

GRAVITY+ is the upgrade of GRAVITY and the Very Large Telescope Interferometer (VLTI) with wide-separation fringe tracking, new adaptive optics, and laser guide stars on all four 8~m Unit Telescopes (UTs), for ever fainter, all-sky, high…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 GRAVITY+ Collaboration , : , R. Abuter , F. Allouche , A. Amorim , C. Bailet , M. Bauböck , J. -P. Berger , P. Berio , A. Bigioli , O. Boebion , M. L. Bolzer , H. Bonnet , G. Bourdarot , P. Bourget , W. Brandner , Y. Clénet , B. Courtney-Barrer , Y. Dallilar , R. Davies , D. Defrère , A. Delboulbé , F. Delplancke , R. Dembet , P. T. de Zeeuw , A. Drescher , A. Eckart , C. Édouard , F. Eisenhauer , M. Fabricius , H. Feuchtgruber , G. Finger , N. M. Förster Schreiber , E. Garcia , P. Garcia , F. Gao , E. Gendron , R. Genzel , J. P. Gil , S. Gillessen , T. Gomes , F. Gonté , C. Gouvret , P. Guajardo , S. Guieu , M. Hartl , X. Haubois , F. Haußmann , G. Heißel , Th. Henning , S. Hippler , S. Hönig , M. Horrobin , N. Hubin , E. Jacqmart , L. Jochum , L. Jocou , A. Kaufer , P. Kervella , H. Korhonen , L. Kreidberg , S. Lacour , S. Lagarde , O. Lai , V. Lapeyrère , R. Laugier , J. -B. Le Bouquin , J. Leftley , P. Léna , D. Lutz , F. Mang , A. Marcotto , D. Maurel , A. Mérand , F. Millour , N. More , H. Nowacki , M. Nowak , S. Oberti , T. Ott , L. Pallanca , T. Paumard , K. Perraut , G. Perrin , R. Petrov , O. Pfuhl , N. Pourré , S. Rabien , C. Rau , S. Robbe-Dubois , S. Rochat , M. Salman , M. Schöller , J. Schubert , N. Schuhler , J. Shangguan , T. Shimizu , S. Scheithauer , A. Sevin , F. Soulez , A. Spang , E. Stadler , J. Stadler , C. Straubmeier , E. Sturm , L. J. Tacconi , K. R. W. Tristram , F. Vincent , S. von Fellenberg , S. Uysal , F. Widmann , E. Wieprecht , E. Wiezorrek , J. Woillez , S. Yazici , A. Young , G. Zins

A flash in the dark: UVES/VLT high resolution spectroscopy of GRB afterglows

We present the first high resolution (R=20000--45000, corresponding to 14 km/s at 4200A to 6.6 km/s at 9000A) observations of the optical afterglow of Gamma Ray Bursts. GRB020813 and GRB021004 were observed by UVES@VLT 22.19 hours and 13.52…

Astrophysics · Physics 2009-11-10 F. Fiore , V. D'Elia , D. Lazzati , R. Perna , L. Sbordone , G. Stratta , E. J. A. Meurs , P. Ward , L. A. Antonelli , G. Chincarini , S. Covino , A. Di Paola , A. Fontana , G. Ghisellini , G. Israel , F. Frontera , G. Marconi , L. Stella , M. Vietri , F. Zerbi

Infrared interferometry to spatially and spectrally resolve jets in X-ray binaries

Infrared interferometry is a new frontier for precision ground based observing, with new instrumentation achieving milliarcsecond (mas) spatial resolutions for faint sources, along with astrometry on the order of 10 microarcseconds. This…

High Energy Astrophysical Phenomena · Physics 2020-05-06 Sera Markoff , David M. Russell , Jason Dexter , Oliver Pfuhl , Frank Eisenhauer , Roberto Abuter , James C. A. Miller-Jones , Thomas D. Russell

Resolving the asymmetric inner wind region of the yellow hypergiant IRC+10420 with VLTI/AMBER in low and high spectral resolution mode

We obtained near-infrared long-baseline interferometry of IRC+10420 with the AMBER instrument of ESO's Very Large Telescope Interferometer (VLTI) in low and high spectral resolution (HR) mode to probe the photosphere and the innermost…

Solar and Stellar Astrophysics · Physics 2015-05-14 T. Driebe , J. H. Groh , K. -H. Hofmann , K. Ohnaka , S. Kraus , F. Millour , K. Murakawa , D. Schertl , G. Weigelt , R. Petrov , M. Wittkowski , C. A. Hummel , J. B. Le Bouquin , A. Merand , M. Schoeller , F. Massi , P. Stee , E. Tatulli