2024Sci...383..988B

Query : 2024Sci...383..988B

2024Sci...383..988B - Science, 383, 988-992 (2024/March-0)

A far-ultraviolet-driven photoevaporation flow observed in a protoplanetary disk.

BERNE O., HABART E., PEETERS E., SCHROETTER I., CANIN A., SIDHU A., CHOWN R., BRON E., HAWORTH T.J., KLAASSEN P., TRAHIN B., VAN DE PUTTE D., ALARCON F., ZANNESE M., ABERGEL A., BERGIN E.A., BERNARD-SALAS J., BOERSMA C., CAMI J., CUADRADO S., DARTOIS E., DICKEN D., ELYAJOURI M., FUENTE A., GOICOECHEA J.R., GORDON K.D., ISSA L., JOBLIN C., KANNAVOU O., KHAN B., LACINBALA O., LANGUIGNON D., LE GAL R., MARAGKOUDAKIS A., MESHAKA R., OKADA Y., ONAKA T., PASQUINI S., POUND M.W., ROBBERTO M., ROLLIG M., SCHEFTER B., SCHIRMER T., SIMMER T., TABONE B., TIELENS A.G.G.M., VICENTE S., WOLFIRE M.G. (The PDRs4All Team)

Abstract (from CDS):

Most low-mass stars form in stellar clusters that also contain massive stars, which are sources of far-ultraviolet (FUV) radiation. Theoretical models predict that this FUV radiation produces photodissociation regions (PDRs) on the surfaces of protoplanetary disks around low-mass stars, which affects planet formation within the disks. We report James Webb Space Telescope and Atacama Large Millimeter Array observations of a FUV-irradiated protoplanetary disk in the Orion Nebula. Emission lines are detected from the PDR; modeling their kinematics and excitation allowed us to constrain the physical conditions within the gas. We quantified the mass-loss rate induced by the FUV irradiation and found that it is sufficient to remove gas from the disk in less than a million years. This is rapid enough to affect giant planet formation in the disk.

Abstract Copyright: © 2024 American Association for the Advancement of Science. All rights reserved. AAAS is a partner of HINARI, AGORA, OARE, CHORUS, CLOCKSS, CrossRef and COUNTER.

Journal keyword(s):

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 QSO B0507+179 Bla 05 10 02.36912937 +18 00 41.5815635   20.0 19.0 19.09   ~ 470 1
2 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1708 1
3 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
4 HH 520 Y*O 05 35 20.310 -05 25 05.57           ~ 31 0
5 NAME Orion Bright Bar reg 05 35 22.30 -05 24 33.0           ~ 1004 0
6 * tet02 Ori A SB* 05 35 22.9012398264 -05 24 57.832632108 5.37 6.30 6.39 6.30 6.35 O9.5IVp 576 0
7 QSO B0539-057 Bla 05 41 38.08336552 -05 41 49.4283917     20.4 20.70   ~ 279 1

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