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On the Detection of Silicon Phosphide, SiP, in Circumstellar Environments
L. A. Koelemay, M. A. Burton, A. P. Singh, P. M. Sheridan, J. J. Bernal, and L. M. Ziurys
described the
Laboratory and Astronomical Detection of the SiP Radical (X<sup>2</sup>Π<sub>i</sub>): More Circumstellar
Phosphorus
Astrophys. J. Lett. 940, Art. No. L11 (2022).