We analyse the chemical composition of the planetary nebula (PN) NGC 5315, through high-resolution (R ∼ 40000) optical spectroscopy with Ultraviolet-Visual Echelle Spectrograph at the Very Large Telescope, and medium-resolution (R ∼ 4800) near-infrared spectroscopy with Folded-port InfraRed Echellette at Magellan Baade Telescope, covering a wide
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Neutron-capture element abundances in the planetary nebula NGC 5315 from deep optical and near-infrared spectrophotometry★†Madonna, S. et al.102017
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New Analysis Of The Baptistina Asteroid Family: Implications For Its Link With The K/t Impactor
The Baptistina Asteroid Family (BAF) is the result of the breakup of an asteroid roughly 100 million years ago. This family is the source of meteoroids and near-Earth asteroids and likely caused an asteroid shower of impactors on our Earth. Bottke et al. (2007) proposed a link between the BAF and the K/T impactor, based on the favorable timing
Delbo, Marco et al.Fecha de publicación:
102012 -
New and updated stellar parameters for 90 transit hosts. The effect of the surface gravity
Context. Precise stellar parameters are crucial in exoplanet research for correctly determining the planetary parameters. For stars hosting a transiting planet, determining the planetary mass and radius depends on the stellar mass and radius, which in turn depend on the atmospheric stellar parameters. Different methods can provide different results
Mortier, A. et al.Fecha de publicación:
102013 -
New Astrometry for Neos in the Frame of Euronear
The major objective of EURONEAR is high precision astrometry of Near Earth NEAs Asteroids (NEAs) and Potentially Hazarduous Asteroids (PHAs) observed in a coordinated network. During the last year, the activity was conducted toward the identification of the first dedicated 1m telescope to be automated and operated by an EURONEAR Consortium, as well
Sonka, Bruno A. et al.Fecha de publicación:
102007 -
New ATLAS9 and MARCS Model Atmosphere Grids for the Apache Point Observatory Galactic Evolution Experiment (APOGEE)
We present a new grid of model photospheres for the SDSS-III/APOGEE survey of stellar populations of the Galaxy, calculated using the ATLAS9 and MARCS codes. New opacity distribution functions were generated to calculate ATLAS9 model photospheres. MARCS models were calculated based on opacity sampling techniques. The metallicity ([M/H]) spans from
Mészáros, Sz. et al.Fecha de publicación:
102012 -
New discoveries at Stonehenge
Not Available
Parker Pearson, M.Fecha de publicación:
102010