Polars:
Spectral
Characteristics
€Optical
spectra are dominated by strong emission lines of Hydrogen and
Helium
€General slope influenced by Balmer and Paschen continua
€UV
spectra show strong CIV, SiIV and NV lines (plus others)
€Strong
lines indicative of substantial emission from the accretion stream
€In
high state generally no signature of the secondary or primary
Schacter et al (1991)
Tanzi et al (1980)