Results 21 to 30 of about 1,535 (206)

New Candidate Massive Clusters from 2MASS [PDF]

, 2013
Massive stars are important for the evolution of the interstellar medium. The detailed study of their properties (such as mass loss, rotation, magnetic fields) is enormously facilitated by samples of these objects in young massive galactic star clusters.
Dirk Froebrich, Froebrich, Dirk
core   +1 more source

High spatial resolution galactic 3D extinction mapping with IPHAS [PDF]

, 2008
We present an algorithm (MEAD, for 'Mapping Extinction Against Distance') which will determine intrinsic (r' - i') colour, extinction, and distance for early-A to K4 stars extracted from the IPHAS r'/ i'/H alpha photometric data base.
R. A. H. Morris, Napiwotzki, Ralf, A. A. Zijlstra, Drew, J. E., Sale, Stuart E., J. E. Drew, N. A. Walton, Phillipps, S., Steeghs, D., P. J. Groot, Gaensicke, B. T., Unruh, Y.C., Morris, R.A.H., S. Phillipps, Groot, P., Sale, S.E., Sale, S. E., R. Napiwotzki, Drew, J.E., Morris, R. A H, M.J. Irwin, C. Knigge, Zijlstra, A.A., Napiwotzki, R., R. Greimel, Morris, R. A. H., Knigge, Christian, Groot, P.J., Gänsicke, B. T., A. Mampaso, Walton, N.A., Unruh, Y. C., Irwin, M. J., Mampaso, A., Knigge, C., Zijlstra, A. A.; id_orcid, Y. C. Unruh, Greimel, R., D. Steeghs, Irwin, M.J., Phillips, S., Gänsicke, B.T., Zijlstra, A. A., Groot, P. J., B. T. Gänsicke, Walton, N. A., Stuart E. Sale   +46 more
core   +1 more source

Modeling of Interstellar Dust Grains [PDF]

, 2008
Dust has two major effects on light passing through the Interstellar Medium - Interstellar Extinction and Reddening. Interstellar dust grains are typically a fraction of a micron, approximately the wavelength of blue light and hence light passing ...
Rao, Nagalakshmi A.
core   +1 more source

The Gaia -ESO Survey: Tracing interstellar extinction [PDF]

, 2015
Context. Large spectroscopic surveys have in recent years enabled computing three-dimensional interstellar extinction maps thanks to the accurate stellar atmospheric parameters and line-of-sight distances these surveys provide.
De Laverny P., Alfaro E. J., Feltzing S., Costado M. T., Prisinzano L., Lanzafame A. C., Hill V., Zaggia S., Damiani F., Jofre P., Hourihane A., Recio-Blanco A., Jimenez-Esteban F., Lardo C., Francois P., Flaccomio E., Schultheis M., Bensby T., Worley C., Gilmore G., Kordopatis G., Morbidelli L.   +21 more
core   +7 more sources

Dust in the diffuse interstellar medium [PDF]

Astronomy & Astrophysics, 2014
We present a model for the diffuse interstellar dust that explains the observed wavelength-dependence of extinction, emission, linear and circular polarisation of light. The model is set-up with a small number of parameters. It consists of a mixture of amorphous carbon and silicate grains with sizes from the molecular domain of 0.5 up to about 500nm ...
Siebenmorgen, R., Voshchinnikov, N. V., Bagnulo, S.   +2 more
openaire   +2 more sources

The interstellar dust properties of nearby galaxies [PDF]

, 2018
International audienceThis article gives an overview of the constitution, physical conditions, and observables of dust in the interstellar medium of nearby galaxies.
Galametz, Maud, Galliano, Frédéric, Jones, Anthony P.   +2 more
core   +1 more source

A Reanalysis of the Ultraviolet Extinction from Interstellar Dust in the Large Magellanic Cloud [PDF]

The Astrophysical Journal, 1999
29 pages, 10 figures, to be published in ...
Gordon, Karl, Clayton, Geoffrey, Misselt, K., Gordon, Karl, Clayton, Geoffrey, Misselt, K.   +5 more
openaire   +2 more sources

The Power of the Rings: The GRB 221009A Soft X-Ray Emission from Its Dust-scattering Halo

The Astrophysical Journal Letters, 2023
GRB 221009A is the brightest gamma-ray burst (GRB) ever detected that has occurred at low Galactic latitude. Owing to this exceptional combination, its prompt X-ray emission could be detected for weeks in the form of expanding X-ray rings produced by ...
Andrea Tiengo, Fabio Pintore, Beatrice Vaia, Simone Filippi, Andrea Sacchi, Paolo Esposito, Michela Rigoselli, Sandro Mereghetti, Ruben Salvaterra, Barbara Šiljeg, Andrea Bracco, Željka Bošnjak, Vibor Jelić, Sergio Campana   +13 more
doaj   +1 more source

Interstellar Silicon Depletion and the Ultraviolet Extinction [PDF]

, 2017
Spinning small silicate grains were recently invoked to account for the Galactic foreground anomalous microwave emission. These grains, if present, will absorb starlight in the far ultraviolet (UV).
Mishra, Ajay, Li, Aigen, Aigen Li, Ajay Mishra   +3 more
core   +2 more sources

The Near-infrared Extinction Law at High and Low Galactic Latitudes

The Astrophysical Journal
The Milky Way dust extinction curve in the near-infrared (NIR) follows a power-law form, but the value of the slope, β _NIR , is debated. Systematic variations in the slope of the Milky Way UV extinction curve are known to be correlated with variations ...
Robert E. Butler, Samir Salim
doaj   +1 more source