Data Set Overview : NASA's International Halley Watch has created a Comet Halley Archive. The collection of data spans the full wavelength range as submitted by scientists to the IHW. The observations belong to one of the following Disciplines: Amateur, Astrometry, Infrared Studies, Large-Scale Phenomena, Meteor Studies, Near-Nucleus Studies, Photometry and Polarimetry, Radio Studies, and Spectroscopy and Spectrophotometry. The data collected by these nine disciplines were augmented by Spacecraft measurements. The data were submitted to IHW, but the evaluation and selection for the Archive has been the primary responsibility of the Discipline Specialist Teams for each network in cooperation with the Lead Center. The data from the Radio Studies Spectral Line Subnetwork contains 107 spectra of Halley, spanning dates 1985 November 09 through 1986 May 11.   Processing Level Id : 3 Software Flag : N   Parameters : Data Set Parameter Name : FLUX DENSITY Data Set Parameter Unit : JANSKY   Description ----------- The flux collected over a solid angle encompassing only a single, discrete source. The term is used primarily in radio astronomy and optical astronomers would commonly refer to the same quantity as flux. Within radio astronomy, it is usually measured either in watts meter^-2 Hz^-1 or in Janskys (1 Jy : 1e-26 W m^-2 Hz^-1).   Source Instrument Parameters : Instrument Host ID : RSN Data Set Parameter Name : FLUX DENSITY Instrument Parameter Name : N/A Important Instrument Parameters : 0   Measurement Information :  Atmospheric Conditions ---------------------- N/A   Source ------ N/A   Calibration Standard -------------------- N/A   Wavelength Calibration ---------------------- N/A   Processing : N/A

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