SIMBAD references

2023ApJ...958...20N - Astrophys. J., 958, 20 (2023/November-3)

Early Planet Formation in Embedded Disks (eDisk). X. Compact Disks, Extended Infall, and a Fossil Outburst in the Class I Oph IRS43 Binary.

NARAYANAN S., WILLIAMS J.P., TOBIN J.J., JORGENSEN J.K., OHASHI N., LIN Z.-Y.D., VAN'T HOFF M.L.R., LI Z.-Y., PLUNKETT A.L., LOONEY L.W., TAKAKUWA S., YEN H.-W., ASO Y., FLORES C., LEE J.-E., LAI S.-P., KWON W., DE GREGORIO-MONSALVO I., SHARMA R. and LEE C.W.

Abstract (from CDS):

We present the first results from the Early Planet Formation in Embedded Disks Atacama Large Millimeter/submillimeter Array Large Program toward Oph IRS43, a binary system of solar mass protostars. The 1.3 mm dust continuum observations resolve a compact disk, ∼6 au radius, around the northern component and show that the disk around the southern component is even smaller, ≲3 au. CO, 13CO, and C18O maps reveal a large cavity in a low-mass envelope that shows kinematic signatures of rotation and infall extending out to ∼2000 au. An expanding CO bubble centered on the extrapolated location of the source ∼130 yr ago suggests a recent outburst. Despite the small size of the disks, the overall picture is of a remarkably large and dynamically active region.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Protostars

Simbad objects: 5

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