SIMBAD references

2008AJ....135.2279P - Astron. J., 135, 2279-2286 (2008/June-0)

Star formation in the southern dark cloud DC 296.2-3.6.

PERSI P., GOMEZ M., TAPIA M., ROTH M., DE BUIZER J.M. and MARENZI A.R.

Abstract (from CDS):

We report near- and mid-infrared (IR) images of the southern hemisphere dark cloud DC 296.2-3.6 associated with IRAS 11431-6516. The Ks and L' images show the presence of an IR nebulosity at the center of the dark cloud (DC). From the analysis of the near-IR color-color diagrams we have identified a young stellar population in the region. Five of these young stellar objects, here named A, B, C, D, and E, were also detected in the mid-IR. Sources B, D, and E are Class I-II T Tauri as suggested by the analysis of their spectral energy distributions. In addition, source E shows a long-term near-IR variability. The near-IR color-color diagrams indicate the presence of circumstellar dust envelope in sources A, B, D, and E, while the fit of SEDs of the intermediate- and low-mass objects A and B with a radiation transfer model including infalling envelope+disk+central source suggests circumstellar disks around these two objects. These results indicate that DC 296.2-3.6, located in the far Carina arm, is associated with an embedded cluster of low-mass young stellar objects.

Abstract Copyright:

Journal keyword(s): infrared: ISM - ISM: clouds - stars: formation - stars: individual: DC 296.2-3.6

Nomenclature: Fig.5, Table 1: [PGT2008] DC 296.2-3.6 A (Nos A-E).

Status at CDS:  

Simbad objects: 11

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