An astronomical seismometer

Details An astronomical seismometer An astronomical seismometer

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...279..310f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 279, no. 1, p. 310-321

Astronomy and Astrophysics

Astrophysics

9

Astronomical Interferometry, Astronomical Spectroscopy, Doppler Effect, Line Spectra, Seismographs, Spectrographs, Planetary Systems, Radial Velocity, Satellite-Borne Instruments, Stellar Oscillations

Scientific paper

We present the design of a new type of instrument to measure small doppler shifts in spectral lines. Our instrument is a form of Heterodyned, Holographic Spectrometer, here optimized for high photon efficiency. It should be suitable for the measurement of solar or stellar oscillations, which is our primary goal, or in the search for stellar-planetary systems.

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