Author
Ralf-Rainer Rohloff
results may include different authors with the same name
6 papers
The Local Volume Mapper (LVM) project is one of three surveys that form the Sloan Digital Sky Survey V. It will map the interstellar gas emission in a large fraction of the southern sky using wide-field integral field spectroscopy. Four…
Instrumentation and Methods for Astrophysics · Physics
2022-10-12
Maximilian Häberle , Thomas M. Herbst , Peter Bizenberger , Guillermo Blanc , Florian Briegel , Niv Drory , Wolfgang Gässler , Nick Konidaris , Kathryn Kreckel , Markus Kuhlberg , Lars Mohr , Eric Pellegrini , Solange Ramirez , Christopher Ritz , Ralf-Rainer Rohloff , Paula Stępień
This work presents an interferometric study of the massive-binary fraction in the Orion Trapezium Cluster with the recently comissioned GRAVITY instrument. We observe a total of 16 stars of mainly OB spectral type. We find three previously…
Solar and Stellar Astrophysics · Physics
2018-12-12
GRAVITY collaboration , Martina Karl , Oliver Pfuhl , Frank Eisenhauer , Reinhard Genzel , Rebekka Grellmann , Maryam Habibi , Roberto Abuter , Matteo Accardo , António Amorim , Narsireddy Anugu , Gerardo Ávila , Myriam Benisty , Jean-Philippe Berger , Nicolas Bland , Henri Bonnet , Pierre Bourget , Wolfgang Brandner , Roland Brast , Alexander Buron , Alessio Caratti o Garatti , Frédéric Chapron , Yann Clénet , Claude Collin , Vincent Coudé du Foresto , Willem-Jan de Wit , Tim de Zeeuw , Casey Deen , Françoise Delplancke-Ströbele , Roderick Dembet , Frédéric Derie , Jason Dexter , Gilles Duvert , Monica Ebert , Andreas Eckart , Michael Esselborn , Pierre Fédou , Gert Finger , Paulo Garcia , Cesar Enrique Garcia Dabo , Rebeca Garcia Lopez , Feng Gao , Éric Gandron , Stefan Gillessen , Frédéric Gonté , Paulo Gordo , Ulrich Grözinger , Patricia Guajardo , Sylvain Guieu , Pierre Haguenauer , Oliver Hans , Xavier Haubois , Marcus Haug , Frank Haußmann , Thomas Henning , Stefan Hippler , Matthew Horrobin , Armin Huber , Zoltan Hubert , Norbert Hubin , Christian A. Hummel , Gerd Jakob , Lieselotte Jochum , Laurent Jocou , Andreas Kaufer , Stefan Kellner , Sarah Kandrew , Lothar Kern , Pierre Kervella , Mario Kiekebusch , Ralf Klein , Rainer Köhler , Johan Kolb , Martin Kulas , Sylvestre Lacour , Vincent Lapeyrère , Bernard Lazareff , Jean-Baptiste Le Bouquin , Pierre Léna , Rainer Lenzen , Samuel Lévêque , Chien-Cheng Lin , Magdalena Lippa , Yves Magnard , Leander Mehrgan , Antoine Mérand , Thibaut Moulin , Eric Müller , Friedrich Müller , Udo Neumann , Sylvain Oberti , Thomas Ott , Laurent Pallanca , Johana Panduro , Luca Pasquini , Thibaut Paumard , Isabelle Percheron , Karine Perraut , Guy Perrin , Andreas Pflüger , Thanh Phan Duc , Philipp M. Plewa , Dan Popovic , Sebastian Rabien , Andrés Ramírez , Jose Ramos , Christian Rau , Miguel Riquelme , Gustavo Rodríguez-Coira , Ralf-Rainer Rohloff , Alejandra Rosales , Gérard Rousset , Joel Sanchez-Bermudez , Silvia Scheithauer , Markus Schöller , Nicolas Schuhler , Jason Spyromilio , Odele Straub , Christian Straubmeier , Eckhard Sturm , Marcos Suarez , Konrad R. W. Tristram , Noel Ventura , Frédéric Vincent , Idel Waisberg , Imke Wank , Felix Widmann , Ekkehard Wieprecht , Michael Wiest , Erich Wiezorrek , Markus Wittkowski , Julien Woillez , Burkhard Wolff , Senol Yazici , Denis Ziegler , Gérard Zins
MICADO will enable the ELT to perform diffraction limited near-infrared observations at first light. The instrument's capabilities focus on imaging (including astrometric and high contrast) as well as single object spectroscopy. This…
Instrumentation and Methods for Astrophysics · Physics
2018-07-27
Richard Davies , João Alves , Yann Clénet , Florian Lang-Bardl , Harald Nicklas , Jörg-Uwe Pott , Roberto Ragazzoni , Eline Tolstoy , Paola Amico , Heiko Anwand-Heerwart , Santiago Barboza , Lothar Barl , Pierre Baudoz , Ralf Bender , Naidu Bezawada , Peter Bizenberger , Wilfried Boland , Piercarlo Bonifacio , Bruno Borgo , Tristan Buey , Frédéric Chapron , Fanny Chemla , Mathieu Cohen , Oliver Czoske , Vincent Deo , Karen Disseau , Stefan Dreizler , Olivier Dupuis , Maximilian Fabricius , Renato Falomo , Pierre Fedou , Natascha Foerster Schreiber , Vincent Garrel , Norbert Geis , Hans Gemperlein , Eric Gendron , Reinhard Genzel , Stefan Gillessen , Martin Glück , Frank Grupp , Michael Hartl , Marco Häuser , Hans-Joachim Hess , Ralf Hofferbert , Ulrich Hopp , Veronika Hörmann , Zoltan Hubert , Elsa Huby , Jean-Michel Huet , Victoria Hutterer , Derek Ives , Annemieke Janssen , Willem Jellema , Wolfgang Kausch , Florian Kerber , Helmut Kravcar , Bertrand Le Ruyet , Kieran Leschinski , Christopher Mandla , Markus Manhart , Davide Massari , Simona Mei , Frédéric Merlin , Lars Mohr , Anna Monna , Norbert Muench , Friedrich Mueller , Gert Musters , Ramon Navarro , Udo Neumann , Nadine Neumayer , Jenny Niebsch , Markus Plattner , Norbert Przybilla , Sebastian Rabien , Ronny Ramlau , José Ramos , Suzanne Ramsay , Petra Rhode , Amon Richter , Josef Richter , Hans-Walter Rix , Gabriele Rodeghiero , Ralf-Rainer Rohloff , Matthias Rosensteiner , Gérard Rousset , Jörg Schlichter , Josef Schubert , Arnaud Sevin , Remko Stuik , Eckhard Sturm , Jens Thomas , Niels Tromp , Gijs Verdoes Kleijn , Fabrice Vidal , Roland Wagner , Michael Wegner , Werner Zeilinger , Julian Ziegleder , Bodo Ziegler , Gérard Zins
GRAVITY is a second generation instrument for the VLT Interferometer, designed to enhance the near-infrared astrometric and spectro-imaging capabilities of VLTI. Combining beams from four telescopes, GRAVITY will provide an astrometric…
Instrumentation and Methods for Astrophysics · Physics
2015-06-05
Sarah Kendrew , Stefan Hippler , Wolfgang Brandner , Yann Clénet , Casey Deen , Eric Gendron , Armin Huber , Ralf Klein , Werner Laun , Rainer Lenzen , Vianak Naranjo , Udo Neumann , José Ramos , Ralf-Rainer Rohloff , Pengqian Yang , Frank Eisenhauer , Enrico Fedrigo , Marcos Suarez-Valles , Antonio Amorim , Karine Perraut , Guy Perrin , Christian Straubmeier
The full LINC-NIRVANA instrument will be one of the most complex ground-based astronomical systems ever built. It will consist of multiple subsystems, including two multi-conjugate ground layer AO systems (MCAO) that drive the LBT adaptive…
Instrumentation and Methods for Astrophysics · Physics
2014-07-23
Derek Kopon , Al Conrad , Thomas Bertram , Tom Herbst , Martin Kürster , Jürgen Berwein , Roberto Ragazzoni , Jacopo Farinato , Valentina Viotto , Maria Bergomi , Ralf-Rainer Rohloff , Harald Baumeister , Fulvio De Bonis , Ralph Hofferbert , Alessandro Brunelli , Carmelo Arcidiacono , Jorg-Uwe Pott , Peter Bizenberger , Florian Briegel , Daniel Meschke , Lars Mohr , Xianyu Zhang , Frank Kittmann
The very large telescope (VLT) interferometer (VLTI) in its current operating state is equipped with high-order adaptive optics (MACAO) working in the visible spectrum. A low-order near-infrared wavefront sensor (IRIS) is available to…
Astrophysics · Physics
2009-11-13
Stefan Hippler , Wolfgang Brandner , Yann Clénet , Felix Hormuth , Eric Gendron , Thomas Henning , Ralf Klein , Rainer Lenzen , Daniel Meschke , Vianak Naranjo , Udo Neumann , José Ricardo Ramos , Ralf-Rainer Rohloff , Frank Eisenhauer