scholarly journals Early-stage young stellar objects in the Small Magellanic Cloud

2012 ◽  
Vol 428 (4) ◽  
pp. 3001-3033 ◽  
Author(s):  
J. M. Oliveira ◽  
J. Th. van Loon ◽  
G. C. Sloan ◽  
M. Sewiło ◽  
K. E. Kraemer ◽  
...  
Keyword(s):  
Early Stage ◽  
Magellanic Cloud ◽  
Young Stellar Objects ◽  
Small Magellanic Cloud ◽  
Stellar Objects

scholarly journals Characterising the Protostellar Population of the Magellanic Clouds with VLT/SINFONI

2015 ◽  
Vol 11 (S315) ◽  
Author(s):  
Jacob Ward ◽  
Joana Oliveira ◽  
Jacco van Loon ◽  
Marta Sewilo
Keyword(s):  
Star Formation ◽  
Milky Way ◽  
Large Magellanic Cloud ◽  
Magellanic Cloud ◽  
Magellanic Clouds ◽  
Emission Lines ◽  
Young Stellar Objects ◽  
Small Magellanic Cloud ◽  
Stellar Objects ◽  
Accretion Rates

AbstractAt distances of ~50 kpc and ~60 kpc for the Large Magellanic Cloud (LMC) and Small Magellanic Cloud (SMC) respectively the Magellanic Clouds present us with a unique opportunity to study star formation in environments outside our own galaxy. Through Spitzer and Herschel photometry and spectroscopy, samples of Young Stellar Objects (YSOs) have been selected and spectroscpically confirmed in the Magellanic Clouds. Here we present some of the key results of our SINFONI K-band observations towards massive YSOs in the Magellanic Clouds. We resolve a number of Spitzer sources into multiple, previously unresolved, components and our analysis of emission lines suggest higher accretion rates and different disc properties compared with massive YSOs in the Milky Way.

scholarly journals Young Stellar Objects in the Low-Metallicity Small Magellanic Cloud

2012 ◽  
Vol 8 (S292) ◽  
pp. 112-112
Author(s):  
M. Sewiło ◽  
L. R. Carlson ◽  
J. P. Seale ◽  
R. Indebetouw ◽  
M. Meixner ◽  
...  
Keyword(s):  
Galaxy Evolution ◽  
Magellanic Cloud ◽  
Young Stellar Objects ◽  
High Mass ◽  
Optical Data ◽  
Small Magellanic Cloud ◽  
Stellar Objects ◽  
Near Ir ◽  
Low Metallicity ◽  
Dust Distribution

AbstractThe Spitzer Legacy Program “Surveying the Agents of Galaxy Evolution in the Tidally-Stripped, Low-Metallicity Small Magellanic Cloud” (SAGE-SMC; Gordon et al. 2011) allows a global study of star formation in the SMC at high enough resolution to resolve individual cores and protostars at a range of mid-IR wavelengths. Using the SAGE-SMC IRAC (3.6 - 8.0 μm) and MIPS (24 and 70 μm) catalogs and images combined with the near-IR and optical data, we identified a population of ∼1100 intermediate- to high-mass Young Stellar Objects (YSOs) in the SMC (3 × more than previously known). We investigate the properties of the YSOs and how they relate to the galaxy's structure and gas and dust distribution.

scholarly journals Massive young stellar objects in the N 66/NGC 346 region of the SMC

2018 ◽  
Vol 615 ◽  
pp. A121 ◽  
Author(s):  
M. Rubio ◽  
R. H. Barbá ◽  
V. M. Kalari
Keyword(s):  
Star Formation ◽  
Magellanic Cloud ◽  
Young Stellar Objects ◽  
High Mass ◽  
Spectral Energy ◽  
Mass Star ◽  
Spectral Features ◽  
Small Magellanic Cloud ◽  
Energy Distributions ◽  
Stellar Objects

We present HK spectra of three sources located in the N 66 region of the Small Magellanic Cloud. The sources display prominent stellar Brγ and extended H2 emission, and exhibit infrared excesses at λ > 2 μm. Based on their spectral features, and photometric spectral energy distributions, we suggest that these sources are massive young stellar objects. The findings are interpreted as evidence of on-going high mass star formation in N 66.

scholarly journals Bipolar Outflows and Stellar Jets

1987 ◽  
Vol 115 ◽  
pp. 213-237 ◽  
Author(s):  
Ronald L. Snell
Keyword(s):  
Physical Properties ◽  
High Velocity ◽  
Molecular Clouds ◽  
Early Stage ◽  
Young Stellar Objects ◽  
Molecular Gas ◽  
Bipolar Outflows ◽  
Stellar Objects ◽  
Stellar Jets ◽  
Almost All

A wealth of data is now available on the energetic mass outflows that are associated with young stellar objects. This phenomenon is thought to occur at a very early stage in the evolution of stars of almost all masses. The discovery of this energetic event was first made through observations of the rapidly expanding molecular gas that surrounds many of these young stellar objects. A review of the physical properties, including the energetics and morphology, of the expanding molecular gas is presented in this paper. In addition, the role these energetic winds play in affecting the dynamics of the parental molecular clouds is also discussed. Finally, the results of detailed studies of the structure and kinematics of the high velocity molecular gas are reviewed and the evidence for existance of wind-swept cavities and molecular shells within the clouds are presented.

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