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Intermediate to low-mass stellar content of Westerlund 1
Wolfgang Brandner, J. Simon Clark, Andrea Stolte +3
We have analysed near-infrared NTT/SofI observations of the starburst cluster Westerlund 1, which is among the most massive young clusters in the Milky Way. A comparison of colour-…
Integral field spectroscopy of L 449-1 -- A test case for spectral differential imaging with SINFONI
Markus Janson, Wolfgang Brandner, Thomas Henning
Spectral differential imaging is an increasingly used technique for ground-based direct imaging searches for brown dwarf and planetary mass companions to stars. The technique takes…
The Rapid Outbursting Star GM Cep: An EX-or in Tr 37?
Aurora Sicilia-Aguilar, Bruno Merin, Felix Hormuth +9
We present optical, IR and millimeter observations of the solar-type star 13-277, also known as GM Cep, in the 4 Myr-old cluster Tr 37. GM Cep experiences rapid magnitude variation…
NGC 346 in the Small Magellanic Cloud. III. Recent Star Formation and Stellar Clustering Properties in the Bright HII Region N 66
Eva Hennekemper, Dimitrios A. Gouliermis, Thomas Henning +2
In the third part of our photometric study of the star-forming region NGC 346/N~66 and its surrounding field in the Small Magellanic Cloud (SMC), we focus on the large number of lo…
Dense Molecular Gas In A Young Cluster Around MWC 1080 -- Rule Of The Massive Star
Shiya Wang, Leslie W. Looney, Wolfgang Brandner +1
We present CS , CO , and CO , observations with the 10-element Berkeley Illinois Maryland Association (BIMA) Array toward the y…
The very nearby M/T dwarf binary SCR 1845-6357
Markus Kasper, Beth A. Biller, Adam Burrows +3
The recently discovered star SCR 1845-6357 is the first late M/T dwarf binary discovered. SCR 1845 is a particular object due to its tight orbit (currently around 4 AU) and its pro…