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Mapping Jupiter’s Latitudinal Bands and Great Red Spot Using HST/WFPC2 Far-Ultraviolet Imaging

Vincent, Mark B. and Clarke, John T. and Ballester, Gilda E. and Harris, Walter M. and West, Robert A. and Trauger, John T. and Evans, Robin W. and Stapelfeldt, Karl R. and Crisp, David and Burrows, Christopher J. and Gallagher, John S., III and Griffiths, Richard E. and Hester, J. Jeff and Hoessel, John G. and Holtzman, Jon A. and Mould, Jeremy R. and Scowen, Paul A. and Watson, Alan M. and Westphal, James A. (2000) Mapping Jupiter’s Latitudinal Bands and Great Red Spot Using HST/WFPC2 Far-Ultraviolet Imaging. Icarus, 143 (2). pp. 189-204. ISSN 0019-1035. http://resolver.caltech.edu/CaltechAUTHORS:20141111-113040508

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Abstract

Jupiter's low and mid-latitudes are examined using ultraviolet (UV) images obtained with the Hubble Space Telescope Wide Field and Planetary Camera 2 over the period of 1994–1997. Effective atmospheric pressures probed by the F160W, F218W, and F255W are estimated at 100, 165, and 370 mbar, respectively, at low latitudes. Far-ultraviolet images of Jupiter taken with the F160W filter reveal bright and dark latitudinal bands at low and mid-latitudes. These bands were found to be correlated with the zonal winds; the bright bands are at latitudes of subsidences, and the dark bands at upwellings. The sense of this correlation is opposite to that seen in visible images of Jupiter where the bright zones are located over upwellings, and dark belts over subsidences. The locations of the dark bands seen in the F160W images are consistent with enhanced concentrations of NH_3 and/or aerosols in the upwellings near the tropopause. Anticyclonic ovals, like the Great Red Spot, are regions of upwellings, and also appear dark in the F160W images. Temporal variations were also observed in the contrast of the low-latitude bands. An increase in the contrast of the low-latitude bands appeared to coincide with a visible wavelength broadening of the North Equatorial Belt that occurred in early to mid-1996. Changes at mid-southern latitudes were observed in the aftermath of the SL-9 impacts in July 1994.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://www.sciencedirect.com/science/article/pii/S0019103599962322PublisherArticle
http://dx.doi.org/10.1006/icar.1999.6232DOIArticle
ORCID:
AuthorORCID
Mould, Jeremy R.0000-0003-3820-1740
Additional Information:© 2000 by Academic Press. Received September 18, 1998; revised February 19, 1999. This paper is a continuation of the first author’s doctoral dissertation work. I acknowledge the members of my committee: John T. Clarke, Gilda E. Ballester, Walter M. Harris, William R. Kuhn, Patrick O. Seitzer, and Robert A. West. Randy Gladstone, Bob West, and Wayne Pryor each generously provided models and codes. We gratefully acknowledge the suggestions of A. Simon and R. F. Beebe in helping describe the changes in the visual appearance of Jupiter. This work is based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute (STScI), which is operated by the AURA, Inc. for NASA under Contract NAS5-26555. This work has been supported by NASA Grant NAGW-5235, Grant AR05797.01-94A from the STSCI, and WFPC2 Grant JPL 959122 from JPL to the University of Michigan.
Funders:
Funding AgencyGrant Number
NASANAS5-26555
NASANAGW-5235
Space Telescope Science Institute (STSCI)AR05797.01-94A
WFPC2UNSPECIFIED
JPLJPL 959122
Record Number:CaltechAUTHORS:20141111-113040508
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20141111-113040508
Official Citation:Mark B. Vincent, John T. Clarke, Gilda E. Ballester, Walter M. Harris, Robert A. West, John T. Trauger, Robin W. Evans, Karl R. Stapelfeldt, David Crisp, Christopher J. Burrows, John S. Gallagher III, Richard E. Griffiths, J. Jeff Hester, John G. Hoessel, Jon A. Holtzman, Jeremy R. Mould, Paul A. Scowen, Alan M. Watson, James A. Westphal, Mapping Jupiter's Latitudinal Bands and Great Red Spot Using HST/WFPC2 Far-Ultraviolet Imaging, Icarus, Volume 143, Issue 2, February 2000, Pages 189-204, ISSN 0019-1035, http://dx.doi.org/10.1006/icar.1999.6232. (http://www.sciencedirect.com/science/article/pii/S0019103599962322)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51579
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:11 Nov 2014 21:19
Last Modified:05 Oct 2017 21:01

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