Fireballs, Flares, and Flickering: A Semianalytic, LTE, Explosive Model from Accretion Disks to Supernovae | Zendy

K. J. Pearson | Zendy; K. Horne | Zendy; Warren Skidmore | Zendy

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Fireballs, Flares, and Flickering: A Semianalytic, LTE, Explosive Model from Accretion Disks to Supernovae

Author(s) -

K. J. Pearson,

K. Horne,

Warren Skidmore

Publication year - 2005

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 - 10.1086/426582

Subject(s) - astrophysics , physics , opacity , supernova , light curve , flare , explosive material , spectral line , ionization , accretion (finance) , cataclysmic variable star , astronomy , white dwarf , stars , optics , ion , chemistry , organic chemistry , quantum mechanics

We derive simple analytic expressions for the continuum lightcurves andspectra of flaring and flickering events that occur over a wide range ofastrophysical systems. We compare these results to data taken from thecataclysmic variable SS Cygni and also with SN 1987A, deriving physicalparameters for the material involved. Fits to the data indicate a nearlytime-independent photospheric temperature arising from the strong temperaturedependence of opacity when hydrogen is partially ionized.Comment: 18 pages, 19 figures, accepted for publication in Ap

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