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Preparation of a second station for the measurement of solar oscillations of low degree 'l' (1990)

Rosati, P. ; Smith, E. ; Fabbri, F. ; [et al.]

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Publication Date: 2011-08-19

Description: An observing station to detect low-degree global solar oscillations is already operational at the Jet Propulsion Laboratory. A second station for continuative measurements of such oscillations has recently been installed and successfully tested in Rome. The high transmission and stability of the magneto-optical filter (MOF) coupled with the lock-in amplifier technique allow analog and real-time detection of oscillation modes with a noise level of only a few cm/s. Observing runs and estimates of the signal-to-noise ratio are shown in time and frequency domains. Routine observations will establish whether the MOF sensitivity and stability are suitable for the detection of stellar oscillations.

Keywords: SOLAR PHYSICS

Type: Nuovo Cimento C, Serie 1 (ISSN 0390-5551); 13 C; 163-168

Format: text

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