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Detection of Continuum Submillimeter Emission Associated with Candidate Protoplanets

  • Authors: Andrea Isella, Myriam Benisty, Richard Teague, Jaehan Bae, Miriam Keppler, Stefano Facchini, and Laura Pérez

2019 The Astrophysical Journal Letters 879 L25.

  • Provider: AAS Journals

Caption: Figure 1.

ALMA images of the 855 μm continuum emission recorded toward the inner regions of the PDS 70 circumstellar disk. The image on the left was obtained adopting a robust parameter of 2 and has an angular resolution (FWHM of the synthesized beam) of 0.″093 × 0.″074 indicated by the black ellipse on the bottom left. The image in the middle panel was created adopting a robust parameter of 0.3 and has an angular resolution of 0.″067 × 0.″050. White contours are drown at 3 and 5 times the rms noise level. See the text for the details. The labels PDS 70 bsmm and PDS 70 csmm indicate the compact sources of continuum emission discovered inside the dust cavity. The image on the right shows an overlay between the VLT/Spectro-Polarimetric High-contrast Exoplanet REsearch (SPHERE) NIR image published in Müller et al. (2018), and the ALMA low-intensity red contours from the image with robust = 2.0.

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