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The Low Mass End of the IMF Unveiled by the WIRCam/CFHT Survey of Nearby Young Clusters
- Source :
- The Labyrinth of Star Formation ISBN: 9783319030401
- Publication Year :
- 2014
- Publisher :
- Springer International Publishing, 2014.
-
Abstract
- The observational characterization of the stellar mass function in galactic clusters, the field, and even other galaxies, has resulted in a wealth of parameters that must be reproduced and explained by any successful star formation theory. To extend our knowledge on the mass function to the substellar regime, we have conducted a large observational survey of nearby young clusters (ρ Oph, IC 348, Serpens, and λ Ori). We adopted a twofold approach to this study, using both near-IR photometry to find all candidate substellar members and extensive spectroscopic follow-up to derive a spectroscopic IMF, and deep methane imaging to search for the lowest mass members. I will present the results of this longterm endeavor, where we have found no evidence for variations in the substellar mass function across different clusters, and have uncovered a handful of candidate young T dwarfs likely to represent the minimum mass for star formation.
Details
- ISBN :
- 978-3-319-03040-1
- ISBNs :
- 9783319030401
- Database :
- OpenAIRE
- Journal :
- The Labyrinth of Star Formation ISBN: 9783319030401
- Accession number :
- edsair.doi...........b9af8d98dd73b4ac30d73879e8068331