Frequency andsizedistributiondependenceofvisibleandinfrared extinctionforastronomicalsilicateandgraphitegrains
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Date
2011-10-09
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Publisher
JournalofQuantitativeSpectroscopy& RadiativeTransfer
Abstract
In arecentpaper,thefrequencyandsizedistributiondependenceofextinctionspectra
for astronomicalsilicateandgraphitegrainswasanalyzedinthecontextofMRNtype
interstellardustmodelsinthefarultravioletandultravioletregions.Thesegrains
were takentobehomogeneousspheresfollowingapowerlawsizedistribution.Inthe
present workweextendtheanalysisfurthertocoverthevisibleaswellastheinfrared
part oftheelectromagneticspectrum.Theanalyticformulaspresentedherealongwith
thosegivenintheearlierpaperwouldenableonetoevaluateextinctionforthesegrains
withinawiderwavelengthrange1000–22,500 ˚A andanalyzetheobservational
interstellarextinctiondatainfargreaterdetails
Description
Keywords
Interstellar grains, Extinction spectrum, Size distributiondependence