826 citations · 7.5k across the 79 of their papers we have counts for
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astro-ph2005★ 99 cited
Variations in the spectral slope of Sgr A* during a NIR flare
S. Gillessen, F. Eisenhauer, E. Quataert +10
We have observed a bright flare of Sgr A* in the near infrared with the adaptive optics assisted integral field spectrometer SINFON. Within the uncertainties, the observed spectrum…
astro-ph2005★ 13 cited
GCIRS34W: An irregular variable in the Galactic Centre
S. Trippe, F. Martins, T. Ott +7
We report the results of time-resolved photometric and spectroscopic near-infrared observations of the Ofpe/WN9 star and LBV candidate GCIRS34W in the Galactic Centre star cluster.…
astro-ph2005★ 2 cited
GRAVITY: The AO-Assisted, Two-Object Beam-Combiner Instrument
F. Eisenhauer, G. Perrin, S. Rabien +6
We present the proposal for the infrared adaptive optics (AO) assisted, two-object, high-throughput, multiple-beam-combiner GRAVITY for the VLTI. This instrument will be optimized…