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Accretion onto the Embedded Protostar L1527 IRS: Insights from JWST NIRSpec and MIRI Observations

  • Authors: W. Blake Drechsler, John J. Tobin, Patrick D. Sheehan, Leslie W. Looney, S. Thomas Megeath, Ewine F. Van Dishoeck, Valentin J. M. Le Gouellec, Thomas P. Greene, Logan Francis, R. Devaraj, Martijn van Gelder, Lee Hartmann, Lukasz Tychoniec, Nuria Calvet, William J. Fischer

W. Blake Drechsler et al 2026 The Astrophysical Journal 1000 .

  • Provider: AAS Journals

Caption: Figure 9.

The 4 micron NIRSpec continuum image compared with RT models with various disk masses. The RT models have the same pixel size as the 4 micron image and have been convolved with the NIRSpec PSF. All four images are shown on the same color scale set by the real 4 μm continuum image. The middle two RT models include both a disk and an envelope. Their morphologies and fluxes indicate that we expect the disk mass to be between 0.01 and 0.1 M. The rightmost model only includes the disk and is what we used to calculate the fraction of intrinsic flux we are able to observe in scattered light. We show all of our disk + envelope RT models in Appendix A.

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