NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Comet Brorsen-Metcalf in the 3.5 Micron RegionWe observed comet Brorsen-Metcalf on UT August 21-24 1989, using the CRSP spectrometer and the 1.3m telescope at Kitt Peak National Observatory. The cometary continuum was detected on all nights. The data are very noisy, due to the short observation window and the untried nature of the instrument. Low resolution (0.0227 micron) spectra show the 3.4 micron C-H stretch feature having a contrast of at most a factor of two to the neighboring continuum. High resolution (0.00331 micron) spectra between 3.4 and 3.6 microns some 1 sigma features that might be attributed to the nu5 band of formaldehyde (H2CO). Similar spectra of the region between 3.2 and 3.4 microns show one 3-sigma line at 3.34 microns, which is as yet unidentified. Although the cometary spectra were more spatially extended than the spectra of standard stars, no extension of the line emission beyond the continuum was observed.
Document ID
19910011720
Acquisition Source
Goddard Space Flight Center
Document Type
Abstract
Authors
A D Storrs
(The University of Texas at Austin Austin, United States)
M J Mumma ORCID
(Goddard Space Flight Center Greenbelt, United States)
S M Hoban
(Goddard Space Flight Center Greenbelt, United States)
Date Acquired
September 6, 2013
Publication Date
June 15, 1990
Publication Information
Publication: Workshop on Observations of Recent Comets (1990)
Publisher: National Aeronautics and Space Administration
Subject Category
Astrophysics
Report/Patent Number
NASA-CR-188960
Meeting Information
Meeting: Workshop on Observations of Recent Comets
Location: Albuquerque, NM
Country: US
Start Date: June 15, 1990
End Date: June 16, 1990
Sponsors: National Aeronautics and Space Administration
Accession Number
91N21033
Distribution Limits
Public
Copyright
Portions of document may include copyright protected material.

Available Downloads

There are no available downloads for this record.
No Preview Available