Results 21 to 30 of about 9,311,434 (355)

A volume-limited survey of mCP stars within 100 pc – I. Fundamental parameters and chemical abundances [PDF]

Monthly notices of the Royal Astronomical Society, 2018
We present the first results of a volume-limited survey of main sequence (MS) magnetic chemically peculiar (mCP) stars. The sample consists of all identified intermediate-mass MS stars (mCP and non-mCP) within a heliocentric distance of $100\,{\rm pc ...
J. Sikora, J. Sikora, G. Wade, J. Power, J. Power, C. Neiner   +5 more
semanticscholar   +1 more source

Laser-Induced Breakdown Spectroscopy for Determination of Spectral Fundamental Parameters

Applied Sciences, 2020
In this review, we report and critically discuss the application of LIBS for the determination of plasma-emission fundamental parameters, such as transition probabilities, oscillator strengths, Stark broadening and shifts, of the emission lines in the ...
S. M. Aberkane, Ali Safi, Asia Botto, B. Campanella, S. Legnaioli, F. Poggialini, S. Raneri, F. Rezaei, V. Palleschi   +8 more
semanticscholar   +1 more source

When a Period Is Not a Full Stop: Light Curve Structure Reveals Fundamental Parameters of Cepheid and RR Lyrae Stars [PDF]

Monthly notices of the Royal Astronomical Society, 2019
The period of pulsation and the structure of the light curve for Cepheid and RR Lyrae variables depend on the fundamental parameters of the star: mass, radius, luminosity, and effective temperature.
E. Bellinger, S. Kanbur, A. Bhardwaj, M. Marconi   +3 more
semanticscholar   +1 more source

Constraints on HD 113337 fundamental parameters and planetary system [PDF]

Astronomy & Astrophysics, 2019
Context. HD 113337 is a main-sequence F6V field star more massive than the Sun. This star hosts one confirmed giant planet and possibly a second candidate, detected by radial velocities (RVs).
S. Borgniet, K. Perraut, Katherine Y. L. Su, M. Bonnefoy, P. Delorme, A. Lagrange, V. P. Bailey, E. Buenzli, D. Defrére, T. Henning, P. Hinz, J. Leisenring, N. Meunier, D. Mourard, N. Nardetto, Andy Skemer, E. Spalding   +16 more
semanticscholar   +1 more source

Parameter Identifiability of Fundamental Pharmacodynamic Models [PDF]

Frontiers in Physiology, 2016
Issues of parameter identifiability of routinely used pharmacodynamics models are considered in this paper. The structural identifiability of 16 commonly applied pharmacodynamic model structures was analyzed analytically, using the input-output approach.
James W.T. Yates, Michael J. Chappell, Neil D. Evans, Joanna Parkinson, Mats Jirstrand, Linnéa Bergenholm, Linnéa Bergenholm, David Janzén, David Janzén   +8 more
openaire   +5 more sources

FUNDAMENTAL PARAMETERS OF MAIN-SEQUENCE STARS IN AN INSTANT WITH MACHINE LEARNING [PDF]

arXiv.org, 2016
Owing to the remarkable photometric precision of space observatories like Kepler, stellar and planetary systems beyond our own are now being characterized en masse for the first time.
E. Bellinger, G. Angelou, S. Hekker, S. Basu, W. Ball, E. Guggenberger   +5 more
semanticscholar   +1 more source

Fundamental Parameters For Microanalysis [PDF]

Microscopy Today, 1996
Abstract In order to perform quantitative X-ray microanalysis many parameters, representing the various stages of X-ray generation and transport through the specimen at the chosen experimental conditions, must be known for all of the elements that might be encountered.
openaire   +3 more sources

Fundamental Parameters of 87 Stars from the Navy Precision Optical Interferometer [PDF]

, 2017
We present the fundamental properties of 87 stars based on angular diameter measurements from the Navy Precision Optical Interferometer, 36 of which have not been measured previously using interferometry.
E. Baines, J. T. Armstrong, H. Schmitt, R. Zavala, J. Benson, D. Hutter, C. Tycner, G. Belle   +7 more
semanticscholar   +1 more source

Accurate Fundamental Stellar Parameters [PDF]

Proceedings of the International Astronomical Union, 2009
AbstractWe combine results from interferometry, asteroseismology and spectroscopic analyses to determine accurate fundamental parameters (mass, radius and effective temperature) of 10 bright solar-type stars covering the H-R diagram from spectral type F5 to K1. Using “direct” techniques that are only weakly model-dependent we determine the mass, radius
openaire   +4 more sources

Rotation: a fundamental parameter of massive stars [PDF]

Symposium - International Astronomical Union, 1997
Massive stars are rapid rotators. Equatorial rotation velocities span the range vrot = 100–400 km s−1, with B stars rotating closest to their break-up speed vcrit (Howarth et al. 1997). During the last decade, many observations have revealed unusual surface abundances that may require additional internal mixing (beyond that of simple convection and ...
Langer, Norbert, Heer, A., Fliegner, Jana Ute   +2 more
openaire   +3 more sources