HD141569A: Disk Dissipation Caught in Action

J. Pericaud 1 E. Di Folco 1 Anne Dutrey 1 J.-C., Augereau V., Piétu S. Guilloteau 1
1 AMOR 2016
LAB - Laboratoire d'Astrophysique de Bordeaux [Pessac]
Abstract : Debris disks are usually thought to be gas-poor, the gas being dissipated by accretion or evaporation during the protoplanetary phase. HD141569A is a 5 Myr old star harboring a famous debris disk, with multiple rings and spiral features. I present here the first PdBI maps of the 12CO(2-1), 13CO(2-1) gas and dust emission at 1.3 mm in this disk. The analysis reveals there is still a large amount of (primordial) gas extending out to 250 AU, i.e. inside the rings observed in scattered light. HD141569A is thus a hybrid disk with a huge debris component, where dust has evolved and is produced by collisions, with a large remnant reservoir of gas.
Type de document :
Communication dans un congrès
Young Stars & Planets Near the Sun, Proceedings of the International Astronomical Union, IAU Symposium, Volume 314, pp. 201-202- held 11 - 15 May 2015 / U.S.A, Atlanta, GA (Cambridge University Press), J.H. Kastner, B. Stelzer, S.A. Metchev, eds, May 2015, Atlanta, United States. 314, pp.201 - 202, 2016, 〈10.1017/S1743921315006432〉
Liste complète des métadonnées

https://hal.archives-ouvertes.fr/hal-01225760
Contributeur : Marie-Paule Pomies <>
Soumis le : vendredi 6 novembre 2015 - 16:38:32
Dernière modification le : mercredi 29 novembre 2017 - 14:51:08

Identifiants

Collections

Citation

J. Pericaud, E. Di Folco, Anne Dutrey, J.-C., Augereau, V., Piétu, et al.. HD141569A: Disk Dissipation Caught in Action. Young Stars & Planets Near the Sun, Proceedings of the International Astronomical Union, IAU Symposium, Volume 314, pp. 201-202- held 11 - 15 May 2015 / U.S.A, Atlanta, GA (Cambridge University Press), J.H. Kastner, B. Stelzer, S.A. Metchev, eds, May 2015, Atlanta, United States. 314, pp.201 - 202, 2016, 〈10.1017/S1743921315006432〉. 〈hal-01225760〉

Partager

Métriques

Consultations de la notice

82