Gravitational Wave Frequency Range for the LISA Mission
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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A filtering technique, for reducing the frequency fluctuations of the laser entering into the two-way Doppler tracking data measured with two spacecraft, is discussed.
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Before the arrival of the Galileo spacecraft in the jovian system, there was little information on the interior structures of Jupiter's four Galilean satellites. Results obtained during the Galileo Mission are described.
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The strong radio source PKS 1830-211 consists of two compact components located on opposite sides of a fainter ring of radio emission 1 arcsecond in diameter.
Ground-based, equal-arm-length laser interferometers are being built to measure high-frequency astrophysical graviatational waves. Because of the arm-length equality, laser light experiences the same delay in each arm and thus phase or frequency noise from the laser itself precisely cancels at the photodetector.
This paper reports the results of imaging polarimetry of FSC10214+4724, carried out in the continuum at an observed wavelength of 437nm using the HST's Faint Object Camera (FOC).
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In this paper we present a method for exactly cancelling the laser noise in a one-bounce unequal-arm Michelson interferometer. The method requries separate measurements of the phase difference in each arm, made by interfering the returning laser light in each arm with the outgoing light.
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The Lynx arc, with a redshift of 3.357, was discovered during spectroscopic follow-up of the z=0.570 cluster RX J0848+4456 from the ROSAT Deep Cluster Survey. The arc is characterized by a very red R - K color and strong, narrow emission lines.
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