Results 131 to 140 of about 437,551 (293)

Interstellar polarization - Magnetite dust

The Astrophysical Journal, 1975
The polarization and extinction properties of magnetite, or Fe$sub 3$O$sub 4$, dust grains are calculated based on indirect evidence that magnetite grains might be the interstellar polarizers. The extinction and phase-lag cross sections of magnetite grains are calculated using a computer method for nonspherical grains.
openaire   +1 more source

INTERSTELLAR SILICATE ANALOGS FOR GRAIN-SURFACE REACTION EXPERIMENTS: GAS-PHASE CONDENSATION AND CHARACTERIZATION OF THE SILICATE DUST GRAINS [PDF]

, 2013
T. Sabri, Lisseth Gavilan, C. Jäger, J. L. Lemaire, Gianfranco Vidali, H. Mutschke, Thomas Henning   +6 more
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Silicate Extinction Profile Based on the Stellar Spectrum by Spitzer/IRS

The Astrophysical Journal
The 9.7 and 18 μ m interstellar spectral features, arising from the Si–O stretching and O–Si–O bending modes of amorphous silicate dust, are the strongest extinction features in the infrared.
Zhenzhen Shao, Biwei Jiang
doaj   +1 more source

Modelling the dust emission from dense interstellar clouds: disentangling the effects of radiative transfer and dust properties [PDF]

, 2012
N. Ysard, M. Juvela, K. Demyk, V. Guillet, A. Abergel, J.-P. Bernard, J. Malinen, C. Mény, L. Montier, D. Paradis, I. Ristorcelli, L. Verstraete   +11 more
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Descriptors for binding energies at clusters: The case of nanosilicates as models of interstellar dust grains

, 2023
Mie Andersen, Andreas Møller Slavensky
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Time Evolution of Optical Darkness in Gamma-Ray Burst Afterglow: The Case of GRB 240825A

The Astrophysical Journal
Long-duration gamma-ray bursts (GRBs) are believed to occur in star-forming regions. The multiwavelength follow-up observations of the early afterglow of GRB 240825A provided insights into the evolution of the optical-to-X-ray spectral feature of the ...
Rui-Zhi Li, Jirong Mao, Yuan-Pei Yang, Bo-Ting Wang, Fei-Fan Song, Yu-Xin Xin, Jin-Ming Bai   +6 more
doaj   +1 more source

Interstellar Dust at the Magnetic Wall of the Heliosphere. II [PDF]

, 2006
P. C. Frisch
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Extreme Starlight Polarization Efficiency toward ζ Ophiuchi: A Case for Line-of-sight Foreground Subtraction

The Astronomical Journal
Despite the pervasive nature of interstellar dust and its impact on nearly all observations, most dust corrections employ line-of-sight averages over large angular scales.
Jordan A. Bartlett, Henry A. Kobulnicky
doaj   +1 more source

Interstellar Dust—Reply to Duley's Criticisms [PDF]

, 1971
N. C. Wickramasinghe, K. Nandy
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Interstellar dust [PDF]

Nature, 1980
openaire   +1 more source