Source Depth for Solar [CLC][ITAL]p[/ITAL][/CLC]-Modes | Zendy

Pawan Kumar | Zendy; Sarbani Basu | Zendy

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Source Depth for Solar [CLC][ITAL]p[/ITAL][/CLC]-Modes

Author(s) -

Pawan Kumar,

Sarbani Basu

Publication year - 2000

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/317325

Subject(s) - spectral line , physics , quadrupole , photosphere , asymmetry , dipole , atomic physics , range (aeronautics) , optics , astrophysics , astronomy , materials science , quantum mechanics , composite material

Theoretically calculated power spectra are compares with observed solarp-mode velocity power spectra over a range of mode degree and frequency. Thedepth for the sources responsible for exciting p-modes of frequency 2.0 mHz isdetermined from the asymmetry of their power spectra and found to be about 800km below the photosphere for quadrupole sources and 150 km if sources aredipole. The source depth for high frequency oscillations of frequency greaterthan about 6 mHz is 180 (50) km for quadrupole (dipole) sources

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