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Revealing the Accelerating Wind in the Inner Region of Colliding-wind Binary WR 112

Authors: John D. Monnier, Yinuo Han, Michael F. Corcoran, Sanne Bloot, Joseph R. Callingham, William Danchi, Philip G. Edwards, Lincoln Greenhill, Kenji Hamaguchi, Matthew J. Hankins, Ryan Lau, Jon M. Miller, Anthony F. J. Moffat, Garreth Ruane, Christopher M. P. Russell, Anthony Soulain, Samaporn Tinyanont, Peter Tuthill, Jason J. Wang, Peredur M. Williams

John D. Monnier et al 2025 The Astronomical Journal 170 .

Provider: AAS Journals

Caption: Figure 5.

Left: the 8 GHz light curve of WR 112, including synthesized flux estimates when only nearby frequencies were available. Right: the spectral index correlation with flux, as WR 112 transitions from the “high state” dominated by nonthermal radio emission to the “low state” where we only see thermal (free–free) emission from the ionized winds.

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