Re-submitted by Andy with BETWEEN window changes.
----- Submission 1 (Mon Jun 02 16:14:19 GMT 2003) -----
Successfully submitted: Mon Jun 02 16:14:30 GMT 2003
----- Submission 2 (Mon Jun 02 16:14:38 GMT 2003) -----
----- Submission 3 (Thu Jun 12 14:27:23 GMT 2003) -----
Successfully submitted: Thu Jun 12 14:27:27 GMT 2003
----- Submission 4 (Thu Jun 12 14:40:10 GMT 2003) -----
Ozone, Condensates, and Dust in the Martian Atmosphere
We propose to utilize the unique UV capabilities of STIS and ACS/HRC in order to study the spatial and seasonal variations in ozone, condensates, and dust in the Martian atmosphere. The data obtained will be critical in addressing recent breakthroughs in understanding the basic radiative, transport, and microphysical processes that provide for both long-term and short-term balance within the global Mars climate system. The proposal includes both Cycle 11 & 12 observations in order to span the classic dust storm season on Mars and provide the first good opportunity for HST to observe a dusty atmosphere on the planet. The UV observations will complement visible and IR observations that will be made during the Mars Global Surveyor Extended Mission and will provide support for the future UV observations of MARCI on the 2005 Mars Reconnaissance Orbiter.
We propose combined Mars ACS/HRC and STIS observations totaling 16 orbits between January 2003 and March 200$. This provides our first opportunity to obtain UV observations and determine aerosol and ozone variations during the classic dust storm season. The Cycles 11 and 12 period also provides and opportunity for a few years to conduct co-ordinated HST and MGS orbiter synoptic observations and will assist in planning UV observations on the Mars Reconnaissance Orbiter.
In order to achieve these goals, we propose temporally spaced pairs of visits by STIS and WFPC that are scheduled on consecutive orbits. These will be targeted to the same face of Mars in order to separate the desired seasonal dependencies from geographical variations. The selected longitude will be 90 degrees; this will include the condensate clouds in the Tharsis region, the meteorologically active region east of Tharsis, Acadalia, and the Solis Lacus region, which is implicated in generation of global dust storms. The pairs consist of an orbit of UV ACS/HRC exposures followed by an orbit of STIS spectral scans. We propose to schedule a pair every 30 degrees of Ls commencing at Ls = 120 in January 2003.
SOLAR SYSTEM
12
false
false
false
false
SUPPORTED
SOLAR SYSTEM
SURF(2500)=2.84 +/-0.3E-13,SURF(4350)=2.52 +/-0.3E-11,SURF(6580)=6.87 +/-0.3E-11
PLANET
PLANET-MARS
STD=MARS
CML OF MARS FROM EARTH BETWEEN 0.0 30.0
SOLAR SYSTEM
B-V=0.65 +/-0.05
SATELLITE
SATELLITE DEIMOS
STD=MARS
STD=DEIMOS
SEP OF MARS DEIMOS FROM EARTH GT 33.0"
SOLAR SYSTEM
B-V= 0.65 +/- 0.05
SATELLITE
Satellite Deimos
STD=MARS
STD=DEIMOS
SEP OF MARS DEIMOS FROM EARTH GT 38.0"
SOLAR SYSTEM
B-V= 0.65 +/- 0.05
SATELLITE
Satellite Deimos
STD=MARS
STD=DEIMOS
SEP OF MARS DEIMOS FROM EARTH GT 33.0"
SOLAR SYSTEM
B-V= 0.65 +/- 0.05
SATELLITE
Satellite Deimos
STD=MARS
STD=DEIMOS
SEP OF MARS DEIMOS FROM EARTH GT 16.0"
SOLAR SYSTEM
B-V= 0.65 +/- 0.05
SATELLITE
Satellite Deimos
STD=MARS
STD=DEIMOS
SEP OF MARS DEIMOS FROM EARTH GT 10.0"
SOLAR SYSTEM
surf(2500) = 2.84 +/- 0.3e-13
PLANET
planet-mars
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00 00 0.00
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J2000
ACS/HRC
ACCUM
Imaging
No
ACS/HRC
ACCUM
00 00 0.00
+00 00 0.00
J2000
STIS/CCD
ACCUM
Spectroscopic
No
STIS/CCD
ACCUM
00 00 0.00
+00 00 0.00
J2000
ACS/HRC
ACCUM
Imaging
No
ACS/HRC
ACCUM
00 00 0.00
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J2000
STIS/CCD
ACCUM
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No
STIS/CCD
ACCUM
00 00 0.00
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J2000
ACS/HRC
ACCUM
Imaging
No
ACS/HRC
ACCUM
00 00 0.00
+00 00 0.00
J2000
STIS/CCD
ACCUM
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No
STIS/CCD
ACCUM
00 00 0.00
+00 00 0.00
J2000
ACS/HRC
ACCUM
Imaging
No
ACS/HRC
ACCUM
00 00 0.00
+00 00 0.00
J2000
STIS/CCD
ACCUM
Spectroscopic
No
STIS/CCD
ACCUM
00 00 0.00
+00 00 0.00
J2000
ACS/HRC
ACCUM
Imaging
No
ACS/HRC
ACCUM
00 00 0.00
+00 00 0.00
J2000
STIS/CCD
ACCUM
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No
STIS/CCD
ACCUM
false
false
DITHER
STIS-PERP-TO-SLIT
true
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POS-TARG
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STIS-ALONG-SLIT
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DITHER
STIS-PERP-TO-SLIT
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STIS-ALONG-SLIT
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DITHER
STIS-PERP-TO-SLIT
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MOSAIC
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STIS-ALONG-SLIT
POS-TARG
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DITHER
STIS-PERP-TO-SLIT
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STIS-ALONG-SLIT
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STIS-PERP-TO-SLIT
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MOSAIC
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STIS-ALONG-SLIT
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