Spitzer's view of NGC2264's circumstellar disk population

Paula S. Teixeira*, Charles J. Lada, Massimo Marengo, Elizabeth Lada

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We present a Spitzer study of the pre-main sequence population of the young cluster NGC2264. The disk population is divided into three classes, based on individual spectral energy distributions: optically thick disks, in a homologous manner depleted or anemic disks, and radially depleted transition disks. Our analysis indicated that there may be two distinct evolutionary paths; disks evolve from optically thick to anemic via the first path, and from optically thick to transition in the second. Most of the disks seem to follow the first path. It is yet unknown what physical mechanism triggers this evolutionary differentiation - it could be directly connected to the nature of planet formation within the disk.

Original languageEnglish
Title of host publicationStar Clusters in the Era of Large Surveys - Proceedings of Symposium 5 of JENAM 2010
PublisherKluwer Academic Publishers
Number of pages2
ISBN (Print)9783642221125
Publication statusPublished - 1 Jan 2012
Event5th JENAM Symposium: Star Clusters in the Era of Large Surveys, JENAM 2010 - Lisbon, Portugal
Duration: 9 Sept 201010 Sept 2010

Publication series

NameAstrophysics and Space Science Proceedings
ISSN (Print)1570-6591
ISSN (Electronic)1570-6605


Conference5th JENAM Symposium: Star Clusters in the Era of Large Surveys, JENAM 2010


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