Sample
Name
H2O ice layer over CO2 snow with 1.5% H2O ice
Date
2015-01-01
Provider
IPAG
Previous sample
CO2 snow with 1.5% H2O ice
Parent sample
CO2 snow with 1.5% H2O ice
Diameter
80.0 $mm$
Sample changes
$CO_2$ sublimation: growth of top H2O layer. Surface area: 100%, thickness: 320$^{+9}_{-8}$µm, mean grain size: 289$^{+43}_{-11}$µm; 1µm frost: 0.92$^{+0.15}_{-0.18}$%
Substrate material
cooper
Substrate comments
cylindrical 80mm diameter, 60mm deep
Comments
sublimating CO2+H2O mixture deposited over martian analogue dust with an initial thickness of 55 mm decreasing with time
Temperature
148.15 $\pm$ 0.5 $K$
Type
molecular gas
Fluids
Fluid temperature
148.15 $\pm$ 0.5 $K$
Fluid pressure
6.47 $\pm$ 0.03 $mbar$
Source
Halogen lamp
Chronology
before spectrum
Particle
Family
photons
Type
Vis photons
Radiance
Radiant flux
2250.0 $\pm$ 100.0 J.s-1.m-2
Source
Halogen lamp
Chronology
before spectrum
Irradiation time
100.0 $\pm$ 2.5 $min$
Comments
the time is the total illumination time since start of experiment
Radiance
Radiant flux
2200.0 $\pm$ 100.0 J.s-1.m-2
Radiant fluence
13200000.0 $\pm$ 930000.0 J.s-1.m-2
Number
3
Arrangement
heterogeneous H2O ice layer developing during sublimation on top of the CO2+H2O snow mixture deposited over a 5 mm thick flat layer of martian analogue dust
Layers