Isotopes of nitrogen on Mars: Atmospheric measurements by?Curiosity's mass spectrometer.
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ABSTRACT:
SUBMITTER: Wong MH
PROVIDER: S-EPMC4459194 | biostudies-literature | 2013 Dec
REPOSITORIES: biostudies-literature
Publications
Isotopes of nitrogen on Mars: Atmospheric measurements by Curiosity's mass spectrometer.
Wong Michael H MH Atreya Sushil K SK Mahaffy Paul N PN Franz Heather B HB Malespin Charles C Trainer Melissa G MG Stern Jennifer C JC Conrad Pamela G PG Manning Heidi L K HL Pepin Robert O RO Becker Richard H RH McKay Christopher P CP Owen Tobias C TC Navarro-González Rafael R Jones John H JH Jakosky Bruce M BM Steele Andrew A
Geophysical research letters 20131209 23
[1] The Sample Analysis at Mars (SAM) instrument suite on the Mars Science Laboratory (MSL) measured a Mars atmospheric<sup>14</sup>N/<sup>15</sup>N ratio of 173 ± 11 on sol 341 of the mission, agreeing with Viking's measurement of 168 ± 17. The MSL/SAM value was based on Quadrupole Mass Spectrometer measurements of an enriched atmospheric sample, with CO<sub>2</sub> and H<sub>2</sub>O removed. Doubly ionized nitrogen data at m/z 14 and 14.5 had the highest signal/background ratio, with results ...[more]
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