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Detection of an OH 1665-MHz Maser in M33

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arxiv 1801.10568 v1 pith:JAZTSDUB submitted 2018-01-31 astro-ph.GA

classification astro-ph.GA
keywords detectionalphabeamcircconsistentmasersizesource
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

We report one OH 1665-MHz detection in new observations with the NSF's Karl G. Jansky Very Large Array. To the authors' knowledge, this is the first OH maser detection in M33. The source occurs at a position of $\alpha=23.50069(9)^{\circ}$ and $\delta = 30.67984(9)^{\circ}$ (J2000) and is unresolved at the beam size ($9."7$). Two H$\alpha$ sources from the Moody et al. (2017) catalogue --- C1-1 and C1-2 --- are consistent within the beam size. We find a peak flux density of 24.1 mJy in a 1.5 km s$^{-1}$ channel. At the distance of M33, the source's specific luminosity is consistent with the brightest Galactic OH 1665-MHz masers.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The UK Infrared Telescope M33 monitoring project. VI. Feedback from dusty stellar winds across the galactic disc

    astro-ph.GA 2026-07 conditional novelty 6.0 of 10

    Evolved stars in M33 return roughly 0.1 solar masses of gas and dust per year to the interstellar medium, about a quarter of the rate needed to sustain current star formation.

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