Figure 3 from Upper Limits for Emissions in the Coma of Comet 67P/Churyumov–Gerasimenko near Perihelion as Measured by Rosetta’s Alice Far-UV Spectrograph

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Upper Limits for Emissions in the Coma of Comet 67P/Churyumov–Gerasimenko near Perihelion as Measured by Rosetta’s Alice Far-UV Spectrograph

Authors: Brian A. Keeney, S. Alan Stern, Ronald J. Vervack, Matthew M. Knight, John Noonan, Joel Wm. Parker, Michael F. A'Hearn, Jean-Loup Bertaux, Lori M. Feaga, Paul D. Feldman, Richard A. Medina, Jon P. Pineau, Rebecca N. Schindhelm, Andrew J. Steffl, M. Versteeg, and Harold A. Weaver

2019 The Astronomical Journal 158 252.

Provider: AAS Journals

Caption: Figure 3.

Fit to the grand sum of Alice exposures near perihelion. Top: the grand sum with background (green), CO model (red), and total (blue, includes atomic emissions) fits overlaid. Regions shown in lighter hues are not used to constrain the fits. Bottom: the residual of the total fit with 3σ uncertainty in the grand sum (purple) overlaid. Masked regions (shaded gray) are not used to set upper limits.

(The data used to create this figure are available.)

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