Document Type

Article

Publication Date

2024

DOI

10.3847/1538-4357/ad6e79

Publication Title

The Astrophysical Journal

Volume

974

Issue

1

Pages

53 (1-6)

Abstract

YO bands are conspicuous in the spectra of S stars. The laboratory spectrum of the A2Π–X2Σ+ electronic transition has been recorded with a Fourier transform spectrometer using a composite-wall hollow cathode lamp source. The A2Π–X2Σ+ transition with v ' ≤ 4 and v'' ≤ 4 has been rotationally analyzed using the modern spectral fitting program PGOPHER. Vibronic band strengths were calculated using an ab initio transition dipole moment function. A line list for the A2Π–X2Σ+ transition is provided and can be utilized in the modeling of S stars

Rights

© 2024 The Authors.

Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 (CC BY 4.0) License. Any further distribution of this work must maintain attribution to the author and the title of the work, journal citation and DOI.

Original Publication Citation

Bernath, P. F., Bhusal, M. & Pastorek, A. (2024). The A²Π–X²Σ⁺ band system of YO. Astrophysical Journal, 974(1), 1-6, Article 53. https://doi.org/10.3847/1538-4357/ad6e79

ORCID

0000-0002-1255-396X (Bernath), 0009-0008-6042-3271 (Bhusal), 0000-0001-7935-8571 (Pastorek)

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