منابع مشابه
High resolution KS polarization mapping of OH 231.8+4.2 (OH 0739-14) with SOFI
The bipolar reflection nebula OH 231.8+4.2 (OH 0739-14) centred on the Mira variable star QX Pup has been mapped at KS in linear polarization using the ESO SOFI near-infrared multi-mode instrument. The large scale linear polarization features agree with previous studies, validating the polarimetric mode of the instrument. However the high spatial resolution of the polarization map reveals consi...
متن کاملASTRONOMY AND ASTROPHYSICS High resolution K S polarization mapping of OH 231 . 8 + 4 . 2 ( OH 0739 - 14 ) with SOFI
The bipolar reflection nebula OH 231.8+4.2 (OH 0739-14) centred on the Mira variable star QX Pup has been mapped at KS in linear polarization using the ESO SOFI near-infrared multi-mode instrument. The large scale linear polarization features agree with previous studies, validating the polarimetric mode of the instrument. However the high spatial resolution of the polarization map reveals consi...
متن کاملTwo decades of OH variability
Two decades of OH variability as inferred by an inversion of atmospheric transport and chemistry of methyl chloroform P. Bousquet, D. A. Hauglustaine, P. Peylin, C. Carouge, and P. Ciais Laboratoire des Sciences du Climat et de l’Environnement (LSCE), Gif sur Yvette, France Université de Versailles Saint Quentin en Yvelines (UVSQ), Versailles, France Laboratoire de Biogéochimie des milieux cont...
متن کاملInfrared OH absorption lines in 1612MHz OH maser sources
ISO mid-infrared absorption data helps to distinguish between radiative and collisional pumping mechanisms in 1612MHz OH masers in various environments. Archive data of OH absorption at 34.6 and 53.3 μm shows different behavior and different pumping rates for different types of maser sources. 1. Mid-Infrared absorption in 1612MHz OH masers Mid-infrared spectroscopy by the Infrared Space Observa...
متن کاملInfrared monitoring of OH/IR stars near the Galactic Center
We have monitored 102 fields of size 1′ × 1′ within ∼0.7◦ of the Galactic Center for 1200 days in the K band. Each field was centered on one of the OH/IR stars found by Lindqvist et al. (1992). Infrared colours J−K, H−K and K−L were also obtained. Periods have been determined for 80 known OH/IR stars, including 5 from Sjouwerman (1997), and a further 29 previously unknown long-period variables ...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 1983
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/203.4.1207