2014ApJ...795...21H


Query : 2014ApJ...795...21H

2014ApJ...795...21H - Astrophys. J., 795, 21 (2014/November-1)

Herschel photometry of disks around low-mass stars in the R CrA cloud.

HARVEY P.M., HENNING T., LIU Y. and WOLF S.

Abstract (from CDS):

We 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 µm. 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.

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Journal keyword(s): brown dwarfs - protoplanetary disks - stars: formation

Simbad objects: 8

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Number of rows : 8
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 2MASS J19004530-3711480 Or* 19 00 45.3133188192 -37 11 48.090886404           M7.75/M7.5 16 1
2 V* V667 CrA Or* 19 01 16.2871007376 -36 56 28.277849904           M5 28 0
3 2MASS J19012901-3701484 Y*O 19 01 29.0328872976 -37 01 48.513865908           M3.75 27 0
4 2MASS J19013232-3658030 Y*O 19 01 32.3360615568 -36 58 03.485079948           M4 27 0
5 NAME Corona Australis Cloud MoC 19 01 51 -36 58.9           ~ 554 0
6 NAME Coronet Cluster Cl* 19 01 54 -36 57.2           ~ 106 1
7 2MASS J19021201-3703093 Y*O 19 02 12.0189397320 -37 03 09.420563916           M4.75 27 0
8 NAME Gould Belt PoG ~ ~           ~ 956 1

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