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Identification of the Lithium Depletion Boundary and Age of the Southern Open Cluster Blanco 1
Identification the Lithium Depletion Boundary
2011/1/13
We present results from a spectroscopic study of the very low mass members of the Southern open cluster Blanco 1 using the Gemini-N telescope. We obtained intermediate resolution (R~4400) GMOS spectra...
The kinematic identification of a thick stellar disc in M31
The kinematic identification stellar disc
2011/1/11
Submitted on 25 Oct 2010 (v1), last revised 21 Dec 2010 (this version, v2))
Abstract: We present the first characterization of a thick disc component in the Andromeda galaxy (M31) using kinematic dat...
Identification of H$_2$CCC as a diffuse interstellar band carrier
general lines and bands ISM molecules methods laboratory techniques spectroscopic
2010/11/9
We present strong evidence that the broad, di use interstellar bands (DIBs) at 4881 and
5450A are caused by the B 1B1 X 1A1 transition of H2CCC (l-C3H2). The large widths of the
bands are due to th...
Identification of a Population of X-ray Emitting Massive Stars in the Galactic Plane
stars: winds outflows – stars Wolf-Rayet – supergiants – X-rays binaries – X-rays
2010/11/16
We present X-ray, infrared, optical and radio observations of four previously unidentified Galactic plane Xray sources, AX J163252–4746, AX J184738–0156, AX J144701–5919 and AX J144547–5931. Detection...
Virtual Observatory based identification of AX J194939+2631 as a new cataclysmic variable
High Energy Astrophysical Phenomena (astro-ph.HE)
2011/1/6
We report the discovery of a new cataclysmic variable (CV) among unidentified objects from the ASCA Galactic Plane Survey made using the Virtual Observatory data mining.
Identification of strong photometric activity in the components of LHS 1070
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/27
Activity in low-mass stars is an important ingredient in the evolution of such objects. Fundamental physical properties such as age, rotation, magnetic field are correlated with activity.
Submillimeter Array Identification of the Millimeter-Selected Galaxy SSA22-AzTEC1: A Protoquasar in a Protocluster?
Cosmology and Extragalactic Astrophysics (astro-ph.CO) Galaxy Astrophysics (astro-ph.GA)
2010/12/27
We present results from Submillimeter Array (SMA) 860-micron sub-arcsec astrometry and multiwavelength observations of the brightest millimeter (S_1.1mm = 8.4 mJy) source, SSA22-AzTEC1, found near the...