Spectrographs: Low-Resolution Spectrographs

Details Spectrographs: Low-Resolution Spectrographs Spectrographs: Low-Resolution Spectrographs

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000eaa..booke2895s&link_type=abstract

"Encyclopedia of Astronomy and Astrophysics, Edited by Paul Murdin, article 2895. Bristol: Institute of Physics Publishing, 2001

Astronomy and Astrophysics

Astrophysics

Instrumentation And Observational Techniques, Astronomical Instrumentation

Scientific paper

Low-resolution spectrographs typically record the spectrum of astronomical objects at resolution (λ/Δλ) in the range 102-104. This resolution is adequate to reveal many strong absorption lines in stellar spectra, or emission lines in nebular spectra, and to resolve the typical range of velocities exhibited within a galaxy, for example, but it is not sufficient to resolve the intrinsic line profil...

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