Results 61 to 70 of about 106 (103)

Objective assessment of image quality. IV. Application to adaptive optics. [PDF]

open access: yesJ Opt Soc Am A Opt Image Sci Vis, 2006
Barrett HH   +4 more
europepmc   +1 more source

A Study of the RV Tauri Variables. [PDF]

open access: yesProc Natl Acad Sci U S A, 1942
Payne-Gaposchkin C, Brenton VK.
europepmc   +1 more source

On the Dimensions and Constitution of Variable Stars. [PDF]

open access: yesProc Natl Acad Sci U S A, 1942
Payne-Gaposchkin C, Gaposchkin S.
europepmc   +1 more source

Some Spectral Characteristics of Cepheid Variables. [PDF]

open access: yesProc Natl Acad Sci U S A, 1918
Adams WS, Joy AH.
europepmc   +1 more source

The Ultraviolet Variability of the T Tauri Stars

Astrophysics and Space Science, 1998
T Tauri stars (TTSs) show enhanced ultraviolet (UV) continuum and line emission with respect to main sequence stars of similar spectral types (Imhoff & Appenzeller 1989; Gomez de Castro, 1998). There is mounting evidence of this excess being produced by the release of gravitational energy from infalling material (Bertout et al 1988, Simon et al 1990 ...
A. I. Gomez de Castro   +3 more
openaire   +1 more source

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