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The ∆a photometric system

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Paunzen, Ernst (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Göttingen : Cuvillier Verlag, 2020.
Temas:
Acceso en línea:Texto completo

MARC

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100 1 |a Paunzen, Ernst,  |e author. 
245 1 4 |a The ∆a photometric system  |h [electronic resource]. 
260 |a Göttingen :  |b Cuvillier Verlag,  |c 2020. 
300 |a 1 online resource (249 p.) 
500 |a Description based upon print version of record. 
500 |a 19.1 Target fields and observations. 
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650 0 |a Astronomical photometry. 
650 6 |a Photométrie astronomique. 
650 7 |a Astronomical photometry  |2 fast 
776 0 8 |i Print version:  |a Paunzen, Ernst  |t The ∆a photometric system  |d Göttingen : Cuvillier Verlag,c2020  |z 9783736972834 
856 4 0 |u https://ebsco.uam.elogim.com/login.aspx?direct=true&scope=site&db=nlebk&AN=2727802  |z Texto completo 
880 0 |6 505-00/(S  |a Intro -- 1 Summary -- 2 The early history of the Δa photometricsystem -- 3 The diagnostic tools of the Δa photometricsystem -- 4 Other indices measuring the 5200˚A region -- 5 The variability of the Δa index -- 5.1 CP stars -- 5.2 Be/shell stars -- The case of Pleione -- 5.3 Variable star detection via Δa photometry -- 6 Chemically Peculiar stars of the upper mainsequence -- 7 Other star groups interesting for the Δaphotometric system -- 7.1 Blue Stragglers -- 7.2 Herbig Ae/Be stars -- 7.3 Be/shell stars -- 7.4 B[e] stars -- 7.5 Evolved and Population II stars 
880 8 |6 505-00/(S  |a 8 An inspection of the wavelength regionfrom 4900 to 5700 ˚A -- 8.1 The 5200˚A flux depression -- 8.2 Features of Stars across the HRD -- 8.3 Features of Quasars -- 8.4 Features of Galaxies -- 9 Spectrophotometry of the 5200˚A regionfor peculiar and normal type stars -- 9.1 Data and reduction -- 9.2 Results -- 9.3 Known peculiar objects -- 9.4 Apparent normal-type objects -- 9.5 Conclusions -- 10 A catalogue of Δa measurements for Galacticfield stars -- 10.1 Selection, preparation, and homogenization ofthe data -- 11 The detection probability of the Δa systemfor Population I stars 
880 8 |6 505-00/(S  |a 11.1 The normal type objects -- 11.2 Outliers not included in RM09 -- 11.3 CP1 stars -- 11.4 CP2 stars -- 11.5 CP3 stars -- 11.6 CP4 stars -- 11.7 λ Bootis stars -- 11.8 Supergiants -- 11.9 Be/shell stars -- 11.10 Newly confirmed CP stars -- 11.11 Comparison with the Geneva Δ(V 1 − G) and Zindices -- 12 An empirical temperature calibration forthe Δa photometric system -- 12.1 The B-type stars -- 12.2 The A-type and mid F-type stars -- 13 Theoretical isochrones for the Δa photometricsystem -- 13.1 Models, data selection, and isochrone fitting -- 14 Synthetic Δa photometry 
880 8 |6 505-00/(S  |a 14.1 The normality line -- 14.2 The cool CP and λ Bootis stars -- 14.3 Individual models: parameter determination withobserved fluxes -- 14.4 CP2 stars with 8500 K Teff 10000 K -- 14.5 Comparison of the synthetic and observed Δaphotometry for ten CP stars -- 14.6 Observational constraints -- 14.7 Microturbulence, abundances, and atomic data -- 14.8 Stratification and magnetic fields -- 14.9 Stellar model atmospheres with magnetic lineblanketing -- 15 Heuristic observational correlations forCP stars -- 16 Investigating the λ Bootis spectroscopicbinary hypothesis using Δa photometry 
880 8 |6 505-00/(S  |a 16.1 Modelling the spectroscopic binary systems -- 16.2 Results and Conclusions -- 17 The Δa observations of Galactic open clusters -- 17.1 The characteristics of open clusters -- 17.2 Photoelectric Δa observations of Galactic openclusters -- 17.3 CCD Δa observations of Galactic open clusters -- 17.4 The observation of Blue Stragglers in open clusters -- 17.5 Statistics of the observed open clusters -- 18 The first Δa observations of three Galacticglobular clusters -- 18.1 Target selection, observations and reduction -- 18.2 Discussion -- 19 The Δa observations within the LargeMagellanic Cloud 
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