Infrared observations of SS433

A. B. Giles, A. R. King, B. A. Cooke, I. M. McHardy, A. Lawrence

Research output: Contribution to journalArticlepeer-review

Abstract

Simultaneous observations of SS433 at IR and visible wavelengths are reported. Three pronounced features are established: (1) an enormous apparent excess of IR over optical flux; (2) an almost flat spectrum for wavelengths greater than 1.2 microns; and (3) a variation of IR and optical flux together on a time scale of several days. The IR excess is attributed to a region of gas that radiates by free-free and free-bound emission processes with a total emission measure of the order of 10 to the 61st per cu cm.
Original languageEnglish
Pages (from-to)282
JournalNature
Volume281
Publication statusPublished - 1 Sep 1979

Keywords

  • Emission Spectra
  • Infrared Astronomy
  • Stellar Spectra
  • Cosmic Dust
  • H Alpha Line
  • Interstellar Extinction
  • Stellar Envelopes

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