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IFU Observations of Comet 3I/ATLAS = C/2025 N1 (ATLAS) Using the Hobby–Eberly Telescope with the VIRUS Instrument

  • Authors: Anita L. Cochran, Gregory Zeimann, Emmanuel Jehin, Hideyo Kawakita, Adam J. McKay

Anita L. Cochran et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 6.

The column densities of four groups of Fe I lines are shown as a function of cometocentric distance. The model fits are marked with a red line. The error bars are again quite small, with the largest error bars being that in the outer regions of the Fe 3746 Å line, which is ±0.15

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