Results 181 to 190 of about 402,386 (219)

Modeling Short-Term Symptom Changes and Behavioral Subtypes of Depression and Anxiety in the General Population: Observational Study Using Smartphone Data. [PDF]

open access: yesJMIR Form Res
Kim SM   +15 more
europepmc   +1 more source

Multimodality Imaging for the Diagnosis and Evaluation of Pulmonary Sarcoidosis. [PDF]

open access: yesRadiol Cardiothorac Imaging
Pasini RA   +12 more
europepmc   +1 more source

Star Formation in Irregular Galaxies

Science, 1989
Irregular galaxies can be viewed as laboratories for studying the processes of star formation. This class of galaxy, unlike the more familiar spiral galaxies, forms stars without spiral arms and does so from a chemically less-evolved interstellar medium.
D A, Hunter, J S, Gallagher
openaire   +2 more sources

The Effect of Irregular Absorption on Galaxy Distribution [PDF]

open access: yesProceedings of the National Academy of Sciences of the United States of America, 1950
exaly   +3 more sources

The Kinematics of Spiral and Irregular Galaxies

Annual Review of Astronomy and Astrophysics, 1978
The present status of kinematical studies of intermediate- and late-type galaxies is reviewed. The emphasis is on observations that result in extensive maps of velocity fields rather than determinations of rotation curves from major axis observations only.
P. C. van der Kruit, R. J. Allen
openaire   +3 more sources

Starbursts in Ring and Irregular Galaxies

Publications of the Astronomical Society of Australia, 1991
AbstractThis paper presents the current status of a Ph.D. project undertaken to search for extended-scale bursts of star formation (> 1 kpc) in irregular and collisionally produced ring galaxies, principally in the southern half of the sky. Results of recent 8.4 GHz radio continuum observations and UBVRI CCD imaging of some of the program galaxies ...
V. J. McIntyre, W. J. Zealey
openaire   +1 more source

Structure and Evolution of Irregular Galaxies

Annual Review of Astronomy and Astrophysics, 1984
Proprietes fondamentales: lumiere, masses et cinematique, abondances, populations stellaires. Proprietes de la formation stellaire: taux de formation stellaire, distribution des regions de formation stellaire, les complexes de formation stellaire et le milieu interstellaire, la fonction de masse initiale, le gaz utilisable.
John S. Gallagher, Deidre A. Hunter
openaire   +2 more sources

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