Mid-infrared interferometry of the Mira variable RR Sco with the VLTI MIDI instrument
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چکیده
منابع مشابه
Mid-infrared Interferometry of the Mira Variable Rr Sco with the Vlti Midi Instrument
We present the results of the first mid-infrared interferometric observations of the Mira variable RR Sco with the MID-infrared Interferometer (MIDI) coupled to the European Southern Observatory’s (ESO) Very Large Telescope Interferometer (VLTI), together with K-band observations using the VLTI commissioning instrument VINCI. The observations were carried out in June 2003, when the variability ...
متن کاملTemporal Variation of the Warm Molecular Layers around the Mira Variable RR Sco Detected with the VLTI/MIDI Instrument
Infrared spectroscopic observations of asymptotic giant branch (AGB) stars with the Infrared Space Observatory (ISO) have revealed the existence of a quasi-static, warm, dense molecular envelope close to the star (e.g., Tsuji et al. [4], Yamamura et al. [5], Cami et al. [1], Matsuura et al. [2]). Although this warm molecular envelope is most likely to play an important role in mass loss, its fo...
متن کاملCalibration of MIDI , the Mid - infrared Interferometer for the VLTI
Calibration of MIDI, the Mid-infrared Interferometer for the VLTI MIDI is the MID-infrared Interferometric Instrument at the Very Large Telescope Interferometer (VLTI). It will perform long-baseline stellar interferometry in the N band (8. . . 13 μm). In the run-up of setting up MIDI, some preparatory tasks had to be solved concerning the calibration of the instrument in the laboratory. Being a...
متن کاملThe environment of the fast rotating star Achernar II. Thermal infrared interferometry with VLTI/MIDI
Context. As is the case of several other Be stars, Achernar is surrounded by an envelope, recently detected by near-IR interferometry. Aims. We search for the signature of circumstellar emission at distances of a few stellar radii from Achernar, in the thermal IR domain. Methods. We obtained interferometric observations on three VLTI baselines in the N band (8-13 μm), using the MIDI instrument....
متن کاملInterferometric observations of the Mira star o Ceti with the VLTI/VINCI instrument in the near-infrared
We present K -band commissioning observations of the Mira star prototype o Cet obtained at the ESO Very Large Telescope Interferometer (VLTI) with the VLT INterferometer Commissioning Instrument (VINCI) and two siderostats. The observations were carried out between 2001 October and December, in 2002 January and December, and in 2003 January. Rosseland angular radii are derived from the measured...
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ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2005
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361:20041052