A Search for TeV Gamma-ray Emission from Binaries and Pulsars with the Whipple Imaging Telescope
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Reynolds, P. T. et al.
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8
1991
This section contains the publications database that collects IAC articles published in scientific journals. Please, click on the arrow to see full search filter and sort options: author, journal, year, etc..
It also provides access to IAC Preprints Repository here: https://research.iac.es/preprints/
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The multiple-shell structure of the planetary nebula NGC 6751An intriguing bipolar mass outflow and a faint envelope were detected spectroscopically in the planetary nebula NGC 6751 by Gieseking and Solf (1986). To study the physical structure, deep CCD images of this nebula have been obtained which detect not only the morphological counterparts of the aforementioned features but also additional faint halosChu, You-Hua et al.
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71991 -
The instrumental polarization of a Gregory-coude telescopeA theoretical model of the polarization properties of a Gregory-coude telescope is calculated to predict the behavior of the German Gregory-coude telescope installed at the Observatorio del Teide (Spain). Measurements of the real effects produced by this telescope acting upon light of known polarization are compared with the model. An uncertaintySanchez Almeida, J. et al.
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71991 -
The CO structure of NGC 7027 - A bipolar nebula in the makingIntermediate resolution mapping and limited off-center spectroscopy of the post-main-sequence molecular outflow source NGC 7027 are presented. The CO envelope is found to have a deconvolved FWHM of 35 x 34 sq arcsec, while core CO profiles are shown to display a steep-sided triple-peaked asymmetric configuration different from previous lowerPhillips, J. P. et al.
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71991 -
On the evolution of supernova remnants. II - Two-dimensional calculations of explosions inside pre-existing wind-driven bubblesSupernova explosions within wind-driven bubbles are studied with 2D hydrodynamical calculations. Two different density distributions for the ejecta are considered: (1) a smooth, unfragmented power-law stratification, and (2) a fragmented distribution. As in 1D models, the presence of the shell of interstellar swept-up matter causes the rapidTenorio-Tagle, G. et al.
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71991 -
High-resolution astronomical observations using deconvolution from wavefront sensingDeconvolution from wavefront sensing is a new technique of high-resolution imaging through atmospheric turbulence developed at ONERA. The capabilities of the method have been demonstrated during first laboratory experiments. A deconvolution experimental set-up was installed on the 4.2 m William Herschel telescope on La Palma in November 1990. TheMichau, Vincent et al.
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71991