Hydrogen NLTE Models

In the framework of the Virtual Observatory, the GAVO project provides theoretical spectral energy distributions (SEDs) of TMAP NLTE model atmospheres within the GAVO TheoSSA service. All SEDs from this model-atmosphere grid are available in a VO-compliant form within TheoSSA.

These synthetic spectra were calculated from an extented atmosphere grid of pure hydrogen models. For some details of the model-atmosphere calculation, see Beuermann et al. 2006 (A&A, 458, 541).

The synthetic spectra are calculated using Stark broadening tables of Lemke 1997 (A&AS, 122, 285).

The tables have the following contents:

ionizing flux NLTE model atmosphere fluxes (5 - 2000Å) calculated for the use with the photoionization codes like, e.g., CLOUDY or the 3-Dimensional MOCASSIN.
The flux is binned to 0.1Å intervals.
In all files the effective temperature Teff calculated from the integrated flux with the same frequency grid used in the model atmosphere calculations (1012 - 3 · 1018 Hz, 1 - 2997929Å) is given.
The flux may be normalized to match the correct Teff.
flux NLTE model atmosphere fluxes (Fλ, 3000 - 55000Å)
relative flux Normalized NLTE model atmosphere fluxes (3000 - 55000Å)

ionizing flux
log g (cgs) 4 5 6 7 8 9
Teff / kK
20 * * * * * *
30 * * * * * *
40 * * * * * *
50 * * * * * *
60 * * * * *
70 * * * * *
80 * * * * *
90 * * * * *
100 * * * * *
110 * * * *
120 * * * *
130 * * * *
140 * * * *
150 * * * *
160 * * * *
170 * * * *
180 * * * *
190 * * * *
200 * * *
300 * * *
400 * *
500 * *
600 *
700 *
800 *
900 *
1000 *
plot * * * * * *
flux
log g (cgs) 4 5 6 7 8 9
Teff / kK
20 * * * * * *
30 * * * * * *
40 * * * * * *
50 * * * * * *
60 * * * * *
70 * * * * *
80 * * * * *
90 * * * * *
100 * * * * *
110 * * * *
120 * * * *
130 * * * *
140 * * * *
150 * * * *
160 * * * *
170 * * * *
180 * * * *
190 * * * *
200 * * *
300 * * *
400 * *
500 * *
600 *
700 *
800 *
900 *
1000 *
plot * * * * * *
relative flux
log g (cgs) 4 5 6 7 8 9
Teff / kK
20 * * * * * *
30 * * * * * *
40 * * * * * *
50 * * * * * *
60 * * * * *
70 * * * * *
80 * * * * *
90 * * * * *
100 * * * * *
110 * * * *
120 * * * *
130 * * * *
140 * * * *
150 * * * *
160 * * * *
170 * * * *
180 * * * *
190 * * * *
200 * * *
300 * * *
400 * *
500 * *
600 *
700 *
800 *
900 *
1000 *
plot * * * * * *

Use <right mouse button> and "Save Link Target As ..." to retrieve files.

Nov 2006 ionizing flux, ~8.7MB complete data set as compressed (gzip) tar archive
Mar 2007 flux, ~64.5MB complete data set as compressed (gzip) tar archive
Mar 2007 relative flux, ~37.6MB complete data set as compressed (gzip) tar archive
Nov 2006 log g = 5, ~1.8MB
log g = 6, ~3.3MB
log g = 7, ~3.6MB
log g = 8, ~3.9MB
log g = 9, ~4.7MB
to be used as atables within
XSPEC,
flux binned to 0.1Å intervals,
FITS files contain tables with the same surface gravity

: This page has been visited times.