Abstract
view Abstract Citations (31) References (30) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS On the shape of interstellar grains. Rogers, C. ; Martin, P. G. Abstract The scattering properties of homogeneous dielectric spheroids of arbitrary size are calculated using a recent analytical solution given by Asano and Yamamoto. These calculations are used to investigate the extinction and polarization produced by spheroidal interstellar grain models. Comparison is made with three other methods of dealing with nonspherical grains: the theory of anomalous diffraction, microwave experiments, and calculations for infinite cylinders. We discuss the effects of grain shape on both the observed laws of extinction (through the value of R) and polarization. Although these effects are difficult to isolate, the maximum value of the ratio of polarization to extinction in the V passband can be used with a theory of grain alignment to place useful restrictions on the shape and refractive index of homogeneous spheroidal grains. Publication: The Astrophysical Journal Pub Date: March 1979 DOI: 10.1086/156866 Bibcode: 1979ApJ...228..450R Keywords: Cosmic Dust; Granular Materials; Interstellar Extinction; Interstellar Matter; Polarization Characteristics; Astronomical Models; Electromagnetic Absorption; Spheroids; Wave Diffraction; Astrophysics; Interstellar Grains; Interstellar Matter:Polarization full text sources ADS | Related Materials (2) Described in: 1995ApJ...444..293K Source Software: 2013ascl.soft11005M
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
