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12CO Rovibrational Spectroscopy of AB Aurigae—A Potential Point Source Is Present

  • Authors: Janus Kozdon, Jeffrey Fung, Sean D. Brittain, Stanley Jensen, Josh Kern, Cory Padgett, Yasuhiro Hasegawa

Janus Kozdon et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 2.

The average spectrum of the observations (Table 1; Section 2). The CO v = 1–0 lines (red) and the hydrogen Pfβ transition (blue) are analyzed in Section 3). A select few CO v = 2–1 lines (brown) are labeled, and their presence indicates a high temperature (Section 3.3.1). Also pointed out is the hydrogen Huϵ transition.

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