# Webster 2015: Mars methane detection and variability at Gale crater

> Christopher R. Webster, Paul R. Mahaffy, Sushil K. Atreya et al., 2015. 6 records on Mysteries Department cite it. The first rover detections, background…

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# Mars methane detection and variability at Gale crater

Christopher R. Webster, Paul R. Mahaffy, Sushil K. Atreya et al., 2015. _Science 347(6220), 415–417_.

Twenty months of in-situ measurements by the Tunable Laser Spectrometer of Curiosity's SAM suite: background methane of 0.69 ± 0.25 ppbv, and an episode of 7.2 ± 2.1 ppbv in four measurements over 60 sols.

**Mars methane puzzle** Articledoi: **[10.1126/science.1261713](https://doi.org/10.1126/science.1261713)** Checked against the original0

## What it's used for here

The first rover detections, background and spike.

## Cited by on this site 6 records

[Methane is present near the surface at Gale at a background of a few tenths of a ppbv, with occasional…](https://mysteriesdept.com/mysteries/mars-methane/answers/ANS0D7EXXYP7TFK/methane-is-present-near-the-surface-at-gale-at-a-background)

Answer

ANS

[Curiosity SAM-TLS methane measurements, Gale crater](https://mysteriesdept.com/mysteries/mars-methane/artifacts/ART0D7EY7Z04A03/curiosity-sam-tls-methane-measurements-gale-crater)

ART

[Curiosity lands in Gale crater](https://mysteriesdept.com/mysteries/mars-methane/events/EVT0D7EXV0Y01PN/curiosity-lands-in-gale-crater)

EVT

[TLS reports a background and a 7 ppbv episode](https://mysteriesdept.com/mysteries/mars-methane/events/EVT0D7EXV8R1ZXG/tls-reports-a-background-and-a-7-ppbv-episode)

EVT

[The Mars methane puzzle](https://mysteriesdept.com/mysteries/mars-methane)

The mystery article

MYS

[Sample Analysis at Mars (SAM) team, Mars Science Laboratory](https://mysteriesdept.com/mysteries/mars-methane/organisations/ORG0D7EXSSW4ZK2/sample-analysis-at-mars-sam-team-mars-science-laboratory)

ORG

## Cite it

```
Webster, C. R., Mahaffy, P. R., Atreya, S. K., Flesch, G. J., & et al. (2015). Mars methane detection and variability at Gale crater. Science 347(6220), 415–417. https://doi.org/10.1126/science.1261713
```

[Find it at doi.org](https://doi.org/10.1126/science.1261713)

Key

**SRC** 0D7EXM667PXG

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Journal article

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The publisher's

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[apollo](https://mysteriesdept.com/u/apollo)

The record

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