The near-infrared reflected spectrum of source I in Orion-KL
نویسندگان
چکیده
منابع مشابه
Near infrared spectra of the Orion bar
We have used the LONGSP spectrometer on the 1.5m TIRGO telescope to obtain long slit spectra in the J, H, and K wavelength bands towards two positions along the Orion bar. These data have been supplemented with images made using the ARNICA camera mounted on TIRGO as well as with an ESO NTT observation carried out by Dr A. Moorwood. We detect a variety of transitions of hydrogen, helium, OI, FeI...
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Large organic molecules and carbon clusters are basic building blocks of life, but their existence in the universe has not been confirmed beyond doubt. A number of unidentified absorption features (arising in the diffuse inter-stellar medium), usually called “Diffuse Inter-stellar Bands (DIBs)”, are hypothesized to be produced by large molecules. Among these, buckminsterfullerene C60 has gained...
متن کاملNear Infrared Polarization Images of the Orion Nebula
Wide-field (∼8 × 8) and deep near-infrared (JHKs bands) polarization images of the Orion Nebula are presented. These data revealed various circumstellar structures as infrared reflection nebulae (IRN) around young stellar objects (YSOs), both massive and low-mass. We found the IRN around both IRc2 and BN to be very extensive, suggesting that there might be two extended (>0.7 pc) bipolar/monopol...
متن کاملNear-infrared polarization images of the Orion proplyds
Aims. The aim is to study structure and polarization properties of the stars and planet systems in the active Orion H II-region. Methods. We performed AO-assisted high-resolution imaging polarimetry on selected Orion proplyds close to the Trapezium stars in the J, H, and K bands. Differential polarimetric images of one of the largest and brightest proplyds are interpreted using 3D radiation tra...
متن کاملAtomic silicon towards the Orion-KL nebula
We have used the Long Wavelength Spectrometer (LWS) on board ISO to observe the fine structure lines of atomic silicon at 68.5 and 129.7 microns towards the Orion KleinmannLow nebula. Our data show evidence for the detection of the J=2-1 transition at 68.5μm with a signal-to-noise ratio of 5. We consider the formation of the observed emission line and conclude that it is likely to form in the C...
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ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2010
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361/201014497