Infrared spectrophotometry of SS 433

Details Infrared spectrophotometry of SS 433 Infrared spectrophotometry of SS 433

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...240..853m&link_type=abstract

Astrophysical Journal, Part 1, vol. 240, Sept. 15, 1980, p. 853-858.

Astronomy and Astrophysics

Astrophysics

15

Emission Spectra, H Lines, Infrared Spectra, Stellar Spectrophotometry, Line Spectra, Paschen Series

Scientific paper

IR spectrophotometry of the peculiar object SS 433 from 2.0 to 2.4 microns has revealed the presence of strong emission lines of the Brackett and Paschen series of hydrogen. B-gamma at its rest wavelength was detected along with redshifted components of B-gamma, B-delta, and P-alpha, whose velocities correspond closely to those predicted for the Balmer emission lines at the epoch of observation. The strengths of the B-gamma and H-alpha lines are used to estimate a value of A(V) = 7.0-7.5 mag for the reddening towards SS 433. When corrected for reddening and free-free emission, the observed 0.55-3.5 micron continuum of SS 433 can be fitted to a single 15,700 K blackbody.

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