Results 21 to 30 of about 40,765 (217)

Modeling the infrared interstellar extinction [PDF]

open access: yesPlanetary and Space Science, 2014
How dust scatters and absorbs starlight in the interstellar medium (ISM) contains important clues about the size and composition of interstellar dust. While the ultraviolet (UV) and visible interstellar extinction is well studied and can be closely fitted in terms of various dust mixtures (e.g., the silicategraphite mixture), the infrared (IR ...
Shu Wang, Aigen Li, B.W. Jiang
openaire   +2 more sources

Mid-Infrared Extinction and its Variation with Galactic Longitude [PDF]

open access: yes, 2009
Based on the data obtained from the Spitzer/GLIPMSE Legacy Program and the 2MASS project, we derive the extinction in the four IRAC bands, [3.6], [4.5], [5.8] and [8.0] micron, relative to the 2MASS Ks band (at 2.16 micron) for 131 GLIPMSE fields along ...
Aigen Li   +42 more
core   +2 more sources

Interstellar Extinction [PDF]

open access: yesAstrophysics, 2016
This review describes our current understanding of interstellar extinction. This differ substantially from the ideas of the 20th century. With infrared surveys of hundreds of millions of stars over the entire sky, such as 2MASS, SPITZER-IRAC, and WISE, we have looked at the densest and most rarefied regions of the interstellar medium at distances of a ...
openaire   +2 more sources

Empirical Temperature- and Extinction-dependent Extinction Coefficients for the GALEX, Pan-STARRS 1, Gaia, SDSS, 2MASS, and WISE Passbands

open access: yesThe Astrophysical Journal Supplement Series, 2022
We have obtained accurate dust reddening from the far-ultraviolet to the mid-infrared for up to 5 million stars by the star-pair algorithm based on LAMOST stellar parameters along with Galaxy Evolution Explorer, Pan-STARRS 1, Gaia, Sloan Digital Sky ...
Ruoyi Zhang, Haibo Yuan
doaj   +1 more source

Correcting for the Effects of Interstellar Extinction [PDF]

open access: yes, 1998
This paper addresses the issue of how best to correct astronomical data for the wavelength-dependent effects of Galactic interstellar extinction. The main general features of extinction from the IR through the UV are reviewed, along with the nature of ...
Aiello S.   +14 more
core   +2 more sources

The incompatibilities between the standard theory of interstellar extinction and observations [PDF]

open access: yes, 2002
In this paper I review a series of observations which do not agree with the standard interpretation of the extinction curve. The consequence is that light we receive from a reddened star must be contaminated by starlight scattered at very small angular ...
Zagury, Frederic
core   +2 more sources

Interstellar extinction in the UV [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1979
openaire   +3 more sources

An R V Map of the Milky Way Revealed by LAMOST

open access: yesThe Astrophysical Journal Supplement Series, 2023
The total-to-selective extinction ratio, R _V , is a key parameter for tracing the properties of interstellar dust, as it directly determines the variation of the extinction curve with wavelength.
Ruoyi Zhang, Haibo Yuan, Bingqiu Chen
doaj   +1 more source

Modeling galactic extinction

open access: yesAtti della Accademia Peloritana dei Pericolanti : Classe di Scienze Fisiche, Matematiche e Naturali, 2011
We present a model for interstellar extinction dust, in which we assume a bimodal distribution of extinction carriers, a dispersion of core-mantle grains, supplemented by a collection of PAHs in free molecular form.
C. Cecchi-Pestellini   +7 more
doaj   +1 more source

Measurements of Interstellar Extinction [PDF]

open access: yesSymposium - International Astronomical Union, 1989
The results of interstellar extinction measurements from the near IR to the far-UV are reviewed. The average interstellar extinction curve for the diffuse cloud medium exhibits a nearly linear rise (in 1/λ) from 1 μm−1 to the 2.25 μm−1 “knee” in extinction where the slope changes.
D. Massa, Blair D. Savage
openaire   +1 more source

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