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Title:
Millimeter- and submillimeter-wave surveys of Orion A emission lines in the ranges 200.7-202.3, 203.7-205.3, and 330-360 GHz
Authors:
Jewell, P. R.; Hollis, J. M.; Lovas, F. J.; Snyder, L. E.
Affiliation:
AA(National Radio Astronomy Observatory, Tucson, AZ), AB(NASA, Goddard Space Flight Center, Greenbelt, MD), AC(NIST, Gaithersburg, MD), AD(Illinois, University, Urbana)
Publication:
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 70, Aug. 1989, p. 833-864. Research supported by NASA. (ApJS Homepage)
Publication Date:
08/1989
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
MILLIMETER WAVES, ORION NEBULA, RADIO SOURCES (ASTRONOMY), RADIO SPECTRA, SUBMILLIMETER WAVES, EMISSION SPECTRA, LINE SPECTRA, MOLECULAR CLOUDS, SPECTRUM ANALYSIS
DOI:
10.1086/191359
Bibliographic Code:
1989ApJS...70..833J

Abstract

A continuous spectral line survey of the Orion A position from 330.5 to 360.1 GHz was carried out. This survey covers nearly the entire 870 micron atmospheric window accessible from ground-based observations. Approximately 160 distinct spectral features composed of about 180 lines were detected, 29 of which could not be readily identified. In addition, Orion A from 200.7 to 202.3 GHz and from 203.7 to 205.3 GHz and 42 distinct new spectral lines were detected, including four that are unidentified at present. These data sets are the first thorough survey results in these spectral regions. The new interstellar lines in the survey bands are tabulated and displayed graphically. Moreover, the data are being made available to the Astronomical Data Center at the Goddard Space Flight Center for distribution by request to the astronomical community.

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