The young eruptive star V1647 Ori started a rapid fading in October 2005 and now is only 1 mag above the pre-outburst level. Colour changes indicate that the fading is not due to increasing extinction.
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The rapid fading of V1647 Orionis: the sudden end of a FUor-type eruption?Kospal, Agnes et al.112005
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The response of the line KI 7699 to the solar oscillationsMarmolino, C. et al.
Fecha de publicación:
111984 -
The Rise of Twisted Magnetic Tubes in a Stratified Medium
First results from a two-dimensional numerical study of the buoyant rise of twisted magnetic flux tubes in the solar convection zone are presented. We show in detail the process by which the transverse component of the field can suppress the splitting of the rising tube into two vortex filaments. For the suppression to be effective, the pitch angle
Moreno-Insertis, F. et al.Fecha de publicación:
111996 -
The Role of the Accretion Disk, Dust, and Jets in the IR Emission of Low-luminosity Active Galactic Nuclei
We use recent high-resolution infrared (IR; 1-20 μm) photometry to examine the origin of the IR emission in low-luminosity active galactic nuclei (LLAGN). The data are compared with published model fits that describe the spectral energy distribution (SED) of LLAGN in terms of an advection-dominated accretion flow, truncated thin accretion disk, and
Mason, R. E. et al.Fecha de publicación:
112013 -
The role of the tropopause layer altitude on the infrared quality of astronomical sites
The infrared sky quality is an important parameter to take into account for the evaluation of astronomical sites. The traditional idea of considering higher altitude sites as better for infrared astronomical observations than sites at lower altitudes is not in agreement with observational data. It has been shown that the observational infrared
Garcia-Lorenzo, Begona M. et al.Fecha de publicación:
112004 -
The Rotation of the Deep Solar Layers
From the analysis of low-order GOLF+MDI sectoral modes (l
Couvidat, S. et al.Fecha de publicación:
112003