Table A.2.
Spectral fitting methods applied to organic analog spectra.
| % Positive Identifications for 10,000 Fits | ||||
|---|---|---|---|---|
| All Lab Endmembers Included | Endmember to be Fit Left Out | |||
| Type | Group ID - Linear | Group ID - K-S | Group ID - Linear | Group ID - K-S |
| Organics | ||||
| Meteorite IOM | 99.75 | 99.94 | 92.21 | 88.78 |
| Oxalate | 99.46 | 99.31 | n.a. | n.a. |
| Ammonium Salt | 95.88 | 99.34 | n.a. | n.a. |
| Asphaltite | 99.53 | 84.76 | n.a. | n.a. |
| Ice Tholin | 99.98 | 87.30 | n.a. | n.a. |
| Stardust | 95.33 | 99.29 | n.a. | n.a. |
| Carbonates | ||||
| Calcite | 96.94 | 96.39 | 95.75 | 93.25 |
| Dolomite | 97.13 | 94.10 | 91.62 | 89.14 |
| Magnesite | 94.92 | 94.04 | 88.35 | 86.61 |
Notes. Linear least-squares (linear) and Kolmogorov-Smirnov (K-S) fitting methods were applied to laboratory endmembers with 10,000 randomly generated noise profiles simulating OVIRS noise. We fit the noise-added laboratory spectra using the noise-free laboratory endmembers listed in Tables A.1 and A.4, either including the spectrum being fit (all laboratory endmembers included) or leaving out the spectrum being fit (endmembers left out).
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