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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 7.

Here we see near-IR images of the inner arcsecond of WR 112 created using aperture masking interferometry on the Keck telescope. The asymmetry near the center reveals the direction the dust cone is facing on each date and allows us to make a connection between the outer dust shells observed in the mid-IR and the inner ones (see modeling in Section 4).

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