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Дата изменения: Tue Nov 28 20:01:01 2006
Дата индексирования: Tue May 27 07:51:34 2008
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Determinations of Dust Scattering Properties from Reflection Nebulae

Interstellar Dust Scattering Properties from Reflection Nebulae

From K. D. Gordon 2004, in "Astrophysics of Dust", (ASP Conf. Proceed. 196), ed. A. N. Witt, G. C. Clayton, & B. T. Draine, (ASP: San Francisco), 77

Updated: KDG - 28 Nov 2006

Reflection Nebulae Plots
Single Scattering Albedo
a
Scattering Phase Function Asymmetry
g = < cos(α) >
albedo plot g plot
ASCII file of plotted data


Reflection Nebulae Studies
ReferenceDescriptionModel TypeIn PlotComment
Witt et al. 1982 NGC 7023; IUE 1200 - 3000 Å & ground-based 3470 - 5515 Å RN1 Partial UV determinations of g not included
(not enough data for both a & g in UV)
Witt et al. 1992 NGC 7023; UIT 1400 - 2800 Å RN1 Yes
Witt et al. 1993 NGC 7023; Voyager 2 1000 - 1300 Å RN1 Yes
Gordon et al. 1994 Sco OB2; 1362 & 1769 Å RN2 Yes
Calzetti et al. 1995 IC 435; IUE 1200 - 3100 Å & ground-based BV RN1 Yes
Burgh et al. 2002 NGC 2023; FOT 900 - 1400 Å RN1 Yes
Gibson & Nordsieck 2003 Pleiades; WISP 1650 & 2200 Å; RN3 Yes
Shalima & Murphy 2006 Orion; FUSE RN4 Yes


Radiative Transfer Models
NameDescription
RN1 Monte Carlo; single star; homogeneous sphere
RN2 Monte Carlo; multiple stars; homogeneous sphere
RN3 analytic single scattering; multiple stars; approximated clumpy slab
RN4 Monte Carlo; foreground slab


References

Interstellar dust scattering properties from: [Diffuse Galactic Light] [Reflection Nebulae] [Dark Clouds]

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