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Proceedings ArticleDOI

SINFONI: integral field spectroscopy at 50-milli-arcsecond resolution with the ESO VLT

TLDR
SINFONI as mentioned in this paper is an adaptive optics assisted near-infrared integral field spectrometer for the ESO VLT, which provides simultaneous spectroscopy of 32 x 32 spatial pixels, and a spectral resolving power of up to 3300.
Abstract
SINFONI is an adaptive optics assisted near-infrared integral field spectrometer for the ESO VLT. The Adaptive OPtics Module (built by the ESO Adaptive Optics Group) is a 60-elements curvature-sensor based system, designed for operations with natural or sodium laser guide stars. The near-infrared integral field spectrometer SPIFFI (built by the Infrared Group of MPE) provides simultaneous spectroscopy of 32 x 32 spatial pixels, and a spectral resolving power of up to 3300. The adaptive optics module is in the phase of integration; the spectrometer is presented tested in the laboratory. We provide an overview of the project, with particular emphasis on the problems encountered in designing and building an adaptive optics assisted spectrometer.

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Journal ArticleDOI

Monitoring stellar orbits around the Massive Black Hole in the Galactic Center

TL;DR: In this paper, the authors present the results of 16 years of monitoring stellar orbits around the massive black hole in the center of the Milky Way, using high-resolution near-infrared techniques.
Journal ArticleDOI

Detection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole

Roberto Abuter, +108 more
TL;DR: Eisenhauer et al. as mentioned in this paper detect the combined gravitational redshift and relativistic transverse Doppler effect for S2 of z = Δλ / λ ≈ 200 km s−1/c with different statistical analysis methods.
References
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Journal ArticleDOI

The HAWAII Infrared Detector Arrays: testing and astronomical characterization of prototype and science-grade devices

TL;DR: Two generations of prototypes of a HgCdTe infrared detector array with 1024 × 1024 pixels developed by the Rockwell International Science Center have been tested in the new Quick Infrared Camera (QUIRC) and an upgraded version of KSPEC, on the University of Hawaii 2.2 m telescope as mentioned in this paper.
Journal ArticleDOI

3D: The next generation near-infrared imaging spectrometer

TL;DR: The MPE near infrared imaging spectrometer 3D as mentioned in this paper is based on a 2562 NICMOS-3 Rockwell array and can simultaneously obtain 256 H - or K-band spectra at R = 1100 or 2100 from a square 16×16 pixel field on the sky.
Proceedings ArticleDOI

CONICA: the high-resolution near-infrared camera for the ESO VLT

TL;DR: A high resolution near IR camera (CONICA) for the firs VLT unit is under development, which will provide diffraction limited spatial resolution being combined with the adaptive optics system NAOS.
Proceedings ArticleDOI

Status of the VLT Nasmyth adaptive optics system (NAOS)

TL;DR: NAOS as mentioned in this paper is the adaptive optics system to be installed at one of the Nasmyth focus of the VLT, which is equipped with a 185 actuator deformable mirror, a tip/tilt mirror and two wavefront sensors, one in visible and one in near IR.
Proceedings ArticleDOI

Implementation of MACAO for SINFONI at the VLT, in NGS and LGS modes

TL;DR: In this paper, an Adaptive Optics (AO) assisted near infrared Integral Field Spectrometer (SINFONI) was installed in the first quarter of 2004 at the Cassegrain focus of YEPUN (VLT UT4).
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