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HERSCHEL PHOTOMETRY OF DISKS AROUND LOW-MASS STARS IN THE R CrA CLOUD
Harvey, Paul M.1; Henning, Thomas2; Liu, Yao3,4; Wolf, Sebastian5
2014-11-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume795Issue:1Pages:21
AbstractWe report photometric results from a subset of a Herschel-PACS program to observe cool dust in disks around low-mass stars as a complement to our earlier program to measure far-infrared emission from brown dwarfs. In this latest study we observed five low-mass objects in the nearby R Corona Australis region and detected at least three at 70 mu m. Using a Monte Carlo radiative transfer code we have investigated the disk masses and geometry based on detailed spectral energy distribution (SED) modeling, and we compare these new results to those from our earlier larger sample of brown dwarfs. In particular, our SED analysis for these five objects shows again that disk geometries of brown dwarfs or low-mass stars are generally similar to their higher mass counterparts like T Tauri disks, but the range of disk mass extends to well below the value found in T Tauri stars.
KeywordBrown Dwarfs Protoplanetary Disks Stars: Formation
Subject Area天文和天体物理
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-637X/795/1/21
WOS KeywordRADIATIVE-TRANSFER ; CORONA AUSTRALIS ; COLD DUST ; EVOLUTION
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000343857300021
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/11567
Collection行星科学与深空探测实验室
Affiliation1.Univ Texas Austin, Dept Astron, Austin, TX 78712 USA
2.Max Planck Inst Astron, D-69117 Heidelberg, Germany
3.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
4.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
5.Univ Kiel, Inst Theoret Phys & Astrophys, D-24098 Kiel, Germany
Recommended Citation
GB/T 7714
Harvey, Paul M.,Henning, Thomas,Liu, Yao,et al. HERSCHEL PHOTOMETRY OF DISKS AROUND LOW-MASS STARS IN THE R CrA CLOUD[J]. ASTROPHYSICAL JOURNAL,2014,795(1):21.
APA Harvey, Paul M.,Henning, Thomas,Liu, Yao,&Wolf, Sebastian.(2014).HERSCHEL PHOTOMETRY OF DISKS AROUND LOW-MASS STARS IN THE R CrA CLOUD.ASTROPHYSICAL JOURNAL,795(1),21.
MLA Harvey, Paul M.,et al."HERSCHEL PHOTOMETRY OF DISKS AROUND LOW-MASS STARS IN THE R CrA CLOUD".ASTROPHYSICAL JOURNAL 795.1(2014):21.
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