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Dynamical Evidence of a Spiral Arm–driving Planet in the MWC 758 Protoplanetary Disk

  • Authors: Bin Ren, Ruobing Dong, Rob G. van Holstein, Jean-Baptiste Ruffio, Benjamin A. Calvin, Julien H. Girard, Myriam Benisty, Anthony Boccaletti, Thomas M. Esposito, Élodie Choquet, Dimitri Mawet, Laurent Pueyo, Tomas Stolker, Eugene Chiang, Jozua de Boer, John H. Debes, Antonio Garufi, Carol A. Grady, Dean C. Hines, Anne-Lise Maire, François Ménard, Maxwell A. Millar-Blanchaer, Marshall D. Perrin, Charles A. Poteet, and Glenn Schneider

2020 The Astrophysical Journal Letters 898 L38.

  • Provider: AAS Journals

Caption: Figure 1.

VLT/SPHERE observations of MWC 758 spiral arms; (a) and (b) are the 2015 and 2019 scaled surface brightness Stokes ﹩{{ \mathcal Q }}_{\phi }﹩ images; (c) is the surface brightness ratio from dividing (b) by (a). In 2019, most of the southern region is more than twice the corresponding brightness of 2015; the northern region is less than half except for a brightened clump. The 184 mas diameter coronagraph used in 2019 blocks light in the central circular regions.

(The data used to create this figure are available.)

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