Status Report

NASA Mars Odyssey THEMIS Image: Tinto Vallis Fluvial Channel

By SpaceRef Editor

November 23, 2004

Filed under Daily Themis Pictures, Mars, Mars Odyssey THEMIS, US

Image Context:

Context image for 20041123A

Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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Parameter	Value		Parameter	Value
Latitude	-8.1	&nbsp	Instrument	IR
Longitude	113.3E (246.7W)	&nbsp	Resolution (m)	100
Image Size (pixels)	1357×320	&nbsp	Image Size (km)	135.7×32

Full data on this image has now been released via the THEMIS Data Releases website.

This night time IR image shows a small fluvial channel located near Tinto Vallis.

These channels are northeast of Tyrrhena Patera and its related lava flows. Tyrrhena

Patera is one of the larger volcanic complexs in the southern hemisphere of Mars.

Small channels are easy to see in nighttime IR, with the cold channel floor (dark)

contrasting from the warmer (bright) surroundings.

NOTE: in nighttime images North is to the bottom of the image.

[Source: ASU THEMIS Science Team]

Note: this THEMIS infrared image has not been radiometrically nor geometrically calibrated for this preliminary release. An empirical correction has been performed to remove instrumental effects. A linear shift has been applied in the cross-track and down-track direction to approximate spacecraft and planetary motion. Fully calibrated and geometrically projected images will be released through the Planetary Data System in accordance with Project policies at a later time.

NASA’s Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA’s Office of Space Science, Washington, D.C. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. The THEMIS investigation is led by Dr. Philip Christensen at Arizona State University. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of Technology in Pasadena.

Image Credit: NASA/JPL/Arizona State University

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