Browsing by Author "Sharma, Subodh K"

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    Frequency andsizedistributiondependenceofvisibleandinfrared extinctionforastronomicalsilicateandgraphitegrains
    (JournalofQuantitativeSpectroscopy& RadiativeTransfer, 2011-10-09) Roy, Ashim K; Sharma, Subodh K; Gupta, Ranjan
    In arecentpaper,thefrequencyandsizedistributiondependenceofextinctionspectra for astronomicalsilicateandgraphitegrainswasanalyzedinthecontextofMRNtype interstellardustmodelsinthefarultravioletandultravioletregions.Thesegrains were takentobehomogeneousspheresfollowingapowerlawsizedistribution.Inthe present workweextendtheanalysisfurthertocoverthevisibleaswellastheinfrared part oftheelectromagneticspectrum.Theanalyticformulaspresentedherealongwith thosegivenintheearlierpaperwouldenableonetoevaluateextinctionforthesegrains withinawiderwavelengthrange1000–22,500 ˚A andanalyzetheobservational interstellarextinctiondatainfargreaterdetails