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7 papers · 1 filter
Employing Soft X-rays in Experimental Astrochemistry
Sergio Pilling, Diana P. P. Andrade
The presence of soft x-rays is very important for the chemical evolution of interstellar medium and other astrophysical environments close to young and bright stars. Soft X-rays ca…
Analysis of old very metal rich stars in the solar neighbourhood
M. Trevisan, B. Barbuy, K. Eriksson +3
A sample of mostly old metal-rich dwarf and turn-off stars with high eccentricity and low maximum height above the Galactic plane has been identified. From their kinematics, it was…
Pakal: A Three-dimensional Model to Solve the Radiative Transfer Equation
Victor De la Luz, Alejandro Lara, J. E. Mendoza-Torres +1
We present a new numerical model called "Pakal" intended to solve the radiative transfer equation in a three-dimensional (3D) geometry, using the approximation for a locally plane-…
The effects of the interaction on the kinematics, stellar population and metallicity of AM2322-821 with Gemini/GMOS
A. C. Krabbe, M. G. Pastoriza, C. Winge +3
We present an observational study about the impacts of the interactions in the kinematics, stellar populations, and oxygen abundances of the components of the galaxy pair AM\,2322-…
Analyzing derived metallicities and ionization parameters from model-based determinations in ionized gaseous nebulae
O. L. Dors, Angela Krabbe, Guillermo F. Hagele +1
We analyze the reliability of oxygen abundances and ionization parameters obtained from different diagnostic diagrams. For this, we compiled from the literature observational emiss…
A first study of the galaxy HRG 2304 and its companion AM 1646-795 (NED01)
E. Wenderoth, M. Faundez-Abans, A. C. Krabbe +2
Aims. We report the first study of the peculiar ring-like galaxy HRG 2304 (NED02),which was previously classified as a ring galaxy with an elliptical smooth ring. This object was s…