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Дата изменения: Wed Jul 11 23:43:33 2001
Дата индексирования: Sat Dec 22 05:03:38 2007
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The Arcetri Spectral Code file format

The Arcetri Spectral Code line emission files format

Each emissivity line is structured using the following format:

(a3,i3,f10.3,a3,41e13.4)

An example from the Ne=10^¹⁰ file (phot cm³ s^-1) is given below:

Fe 2 1550.272 Mn 3.8815e-18 2.2909e-17 6.9024e-17 5.6234e-17 2.2751e-17 ... with the following meaning:

Fe 2 : Element and stage of ionization of the emitting ion (i.e. Fe 2 = Fe II);
1550.272 : Wavelength (Å) of the transition;
Mn : Isoelectronic sequence of the emitting ion
3.8815e-18 : Emissivity in phot cm³ s^-1 for Log T = 4.0;
2.2909e-17 : Emissivity in phot cm³ s^-1 for Log T = 4.1;
6.9024e-17 : Emissivity in phot cm³ s^-1 for Log T = 4.2;
5.6234e-17 : Emissivity in phot cm³ s^-1 for Log T = 4.3;
2.2751e-17 : Emissivity in phot cm³ s^-1 for Log T = 4.4;
... : The series of emissivities is reported up to Log T = 8.0, with Log T = 0.1 steps.

The format of the emissivity files in erg cm³ s^-1 is identical to this one.

Page created and maintained by E. Landi.

Mail comments regarding interface to landi@poppeo.nrl.navy.mil

Mail comments regarding spectrum data to mlandini@arcetri.astro.it, landi@poppeo.nrl.navy.mil