Subject : Stellar atmospheres

course: 2001, fall term, 4-th class, 2/1 hpw at
Dept. of theoretical physics and geophysics at the Faculty of
Natural Sciences of the Pavol Jozef Safarik Universty in Kosice

lecturer: Jan Budaj

affiliation: Astronomical institute of the Slovak Academy of Sciences
            Tatranska Lomnica

SYLABUS (in slovak):  

termodynamicka rovnovaha a LTE:
	Boltzmannova r., Sahova r., 
	Maxwell-Boltzmanovo rozdelenie rychlosti, 
	Planckov z. a ziarenie c.t. (vid tiez Einsteinove k.)

zakladne pojmy a definicie:
	intenzita, stredna intezita, tok a tlak ziarenia,
	opacita, opt. hlbka, emisivita, zdrojova funkcia, 
	prava absorbcia a rozptyl

prenos ziarenia:
	rovnica prenosu a jej formalne riesenie
	Exponencialne integraly a momenty intenzity
	ziariva rovnovaha
	asymptoticke riesenie RTE a difuzne priblizenie
	seda atmosfera, T-tau, Rosselandova opt. hlbka
        limb darkening
	konvekcia, Schwarzchildovo kriterium a H-He konvektivne zony
	mixing length approximation
        Einsteinove koeficienty, vynutena emisia a Planckov z.

spojity absorbcny koeficient:
	H_bf, H_ff, H-_bf, H-_ff, H2+-, metals+He, 
	Thompson and Rayleigh scattering (vid tiez electric dipol radiation)

model atmosfery: 
	hydrostaticka rovnovaha a priebeh tlaku, teploty, geometrickej hlbky
        suvis Pg-Pe-T
	efekty konvekcie, line blanketingu, metalicity, teploty

ciarovy absorbcny koeficient: 
	prirodzena sirka ciary: 
		komplexny index lomu a Lorentzovsky utlmovy profil,
		sila oscilatora,
		ziarenie elektrickeho dipolu a konstanta utlmu,
		Thompson and Rayleigh scattering
		konstanta utlmu a Einsteinove koeficienty
	rozsirenie sp. ciar tlakom a Impact approximation
	tepelne rozsirenie sp. ciar
	vysledny absorbcny profil a Voigtov profil
	formovanie sp. ciar:
		NLTE a LTE zdrojova funkcia v ciare
		rov. statistickej rovnovahy 
		formovanie absorbcnych ciar
		formovanie a vznik emisnych ciar
		formovanie slabych sp. ciar
		contribution function
	vplyv teloty a tlaku na profil sp. ciary
	equivalentna sirka, krivka rastu a desaturacne efekty
		chemicke zlozenie hviezd
	rozsirenie sp. ciar rotaciou hviezdy
		 rotacia hviezd
 

literatura:
	Gray D.F., 1992, Observations and analysis of stellar photopheres
		2-nd edition, Cambridge Univ. Press 
 		(Rusky preklad 1. vydania z r.1980, Moskva)
	Mihalas D., 1970, Stellar atmospheres 
		W.H. Freeman&Company, San Francisco
		(Rusky preklad ??)
	Svestka Z., 1954, Hviezdne Atmosfery
		Nakladatelstvi CSAV, Praha
	Purcell E.M., 1963,64,65, Electricity and Magnetism, 
		Berkeley physics course II  
	Crawford F.S. Jr., 1965,66,68, Waves, 
		Berkeley physics course III