Point-by-Point Surface Pressure data
             July 20, 1976 Ls 96.8 MY 12 to Nov 13, 1982 Ls 226.5 MY 15

































    These plots are examples of the point-by-point surface pressure measurements obtained by the pressure sensor on the Viking lander during 3 sols of the 2245 sol mission on Mars. Pressure measurements were not obtained continuously during the mission. The time-between-measurements ranged from ~1 second (though there are few instances of such frequent sampling) to ten's of minutes. There are time intervals spanning hours or sols when no pressure measurements were obtained.

    Useful Mission Documents


    The Data

    The dataset consists of pressure values versus time. Both Viking 1 & 2 are in the same dataset

    Point-by-Point Surface Pressures - dataset VL1/VL2-M-MET-3-P-v1.0 - Surface atmospheric pressure readings obtained through much of the duration of the Viking Lander 1 and 2 missions (data are included for Viking Lander 1 sols 0 - 2245 and Viking Lander 2 sols 0 - 1050). The data are derived from the ambient pressure sensor carried onboard the Landers and values are presented on a point-by-point basis. July 20, 1976 - Nov 13, 1982 [2245 sols]

    Retrieving the Data

    Go to Volume vl_1001 Data
    Viking 1 and 2 file and label are identified as vl_p


    Citing datasets for Publication

    Tillman, J.E., VL1/VL2-M-MET-3-P-V1.0, NASA Planetary Data System, 1989.

    Related data from other missions