GRAVITY plus Wide: Towards hundreds of z similar to 2 AGN

Drescher, Antonia; Fabricius, Maximilian; Shimizu, Taro; Woillez, Julien; Bourget, Pierre; Widmann, Felix; Jinyi, Shangguan; Straubmeier, Christian; Horrobin, Matthew; Schuhler, Nicolas; Eisenhauer, Frank; Gonté, Frederic; Gillessen, Stefan; Ott, Thomas; Perrin, Guy; Paumard, Thibaut; Brandner, Wolfgang; Kreidberg, Laura; Perraut, Karine; Le Bouquin, Jean-Baptiste; Garcia, Paulo; Hönig, Sebastian; Defrère, Denis; Bourdarot, Guillaume; Feuchtgruber, Helmut; Genzel, Reinhard; Hartl, Michael; Haußmann, Frank; Lutz, Dieter; More, Nikhil; Rau, Christian; Sauter, Jonas; Uysal, Sinem; Wessely, Patrick; Wieprecht, Ekkehard; Wimmer, Lukas; Yazici, Senol

doi:10.1117/12.2628921

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GRAVITY plus Wide: Towards hundreds of z similar to 2 AGN

MPS-Authors

/persons/resource/persons254980

Drescher, Antonia
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons4654

Fabricius, Maximilian
Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons206401

Shimizu, Taro
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons214431

Widmann, Felix
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons232571

Jinyi, Shangguan
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons4766

Eisenhauer, Frank
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons4768

Gillessen, Stefan
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons16190

Ott, Thomas
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons268015

Bourdarot, Guillaume
MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons16286

Feuchtgruber, Helmut
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons4590

Genzel, Reinhard
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons138161

Hartl, Michael
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons79044

Haußmann, Frank
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons4584

Lutz, Dieter
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons286011

More, Nikhil
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons200120

Rau, Christian
MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons286159

Sauter, Jonas
Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons286013

Uysal, Sinem
MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons286164

Wessely, Patrick
Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons16329

Wieprecht, Ekkehard
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons286171

Wimmer, Lukas
MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons203013

Yazici, Senol
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

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Citation

Drescher, A., Fabricius, M., Shimizu, T., Woillez, J., Bourget, P., Widmann, F., et al. (2022). GRAVITY plus Wide: Towards hundreds of z similar to 2 AGN. In Optical and Infrared Interferometry and Imaging VIII. doi:10.1117/12.2628921.

Cite as: https://hdl.handle.net/21.11116/0000-000C-8562-F

Abstract

As part of the GRAVITY+ project, the near-infrared beam combiner GRAVITY and the VLTI are currently undergoing a series of significant upgrades to further improve the performance and sky coverage. The instrumental changes will be transformational, and for instance uniquely position GRAVITY to observe the broad line region of hundreds of Active Galactic Nuclei (AGN) at a redshift of two and higher. The increased sky coverage is achieved by enlarging the maximum angular separation between the celestial science object (SC) and the off-axis fringe tracking (FT) star from currently 2 arcseconds (arcsec) up to unprecedented 30 arcsec, limited by the atmospheric conditions. This was successfully demonstrated at the VLTI for the first time.