mars methane detection_and_variability_at_gale_crater
DESCRIPTION
Artigo descreve como o instrumento SAM do Curiosity detectou compostos orgänicos em Marte.TRANSCRIPT
Reports
/ www.sciencemag.org/content/early/recent / 16 December 2014 / Page 1 / 10.1126/science.1261713
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Martian sol after
landing Aug 6th
2012
Earth date Ls (deg) Gas ingest time/cell pres-
sure (mbar)/foreoptics
pressure (mbar)
Mean value
± 1 SEM
(ppbv)
Mean value
± 95% CI
(ppbv)
79 Oct 25th 2012 195.0 Night/8.0/11.5 –0.51 ± 2.83 –0.51 ± 5.66
81 Oct 27th 2012 196.2 Night/8.0/11.5 1.43 ± 2.47 1.43 ± 4.94
106 Nov 27th 2012 214.9 Night/8.5/10.9 0.68 ± 2.15 0.68 ± 4.30
292 Jun 1st 2013 328.6 Night/8.7/9.2 0.56 ± 2.13 0.56 ± 4.26
306 Jun 16th 2013 336.5 Day/8.1/0.0 5.78 ± 2.27 5.78 ± 4.54
313 Jun 23rd 2013 340.5 Night/8.7/0.0 2.13 ± 2.02 2.13 ± 4.04
466 Nov 29th 2013 55.7 Night/8.0/2.3 5.48 ± 2.19 5.48 ± 4.38
474 Dec 6th 2013 60.6 Night/7.9/2.3 6.88 ± 2.11 6.88 ± 4.22
504 Jan 6th 2014 72.7 Night/8.1/2.3 6.91 ± 1.84 6.91 ± 3.68
526 Jan 28th 2014 81.7 Day/7.5/2.3 9.34 ± 2.16 9.34 ± 4.32
573 Mar 17th 2014 103.4 Night/5.3/2.3 0.47 ± 0.11 0.47 ± 0.22
684 Jul 9th 2014 158.8 Night/4.5/2.7 0.90 ± 0.16 0.90 ± 0.32
684 Jul 9th 2014 158.8 Night/6.8/2.7 0.99 ± 2.08 0.99 ± 4.16
Mean value of “low methane” sols 79, 81, 106, 292, 313, 684 = 0.89 ± 0.70 0.89 ± 1.96
Mean value of “low methane” enrichment results for sols 573 and 684 = 0.69 ± 0.09 0.69 ± 0.25
Mean value of “high methane” sols 466, 474, 504, 526 = 7.19 ± 0.74 7.19 ± 2.06
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