Edizione	[1st ed. 1992.]
Pubbl/distr/stampa	Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 1992
Descrizione fisica	1 online resource (XIX, 452 p. 36 illus., 2 illus. in color.)
Disciplina	523.8
Collana	Lecture Notes in Physics
Soggetto topico	Observations, Astronomical Astronomy—Observations Astrophysics Geophysics Astronomy, Observations and Techniques Astrophysics and Astroparticles Geophysics/Geodesy
ISBN	3-540-46997-4
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Galactic B-type Stars -- Non-LTE analyses of B stars -- Galactic B-type supergiants -- On the determination of effective temperature and surface gravity using Strömgren uvbyß photometry -- The mass and helium discrepancy in massive young stars -- A comparison between the orbital masses of early type binary components and masses predicted by stellar evolution -- B-type stars in young clusters -- Chemical abundances in early B-type stars -- The determination of accurate cosmic abundances from B-type stellar spectra -- The origin of distant B-type stars in the galactic halo -- Galactic abundance gradients from ob-type stars in young clusters and associations -- Ionizing radiation from early-type stars -- Abundance patterns in a stars: Carbon and silicon -- Quantitative analysis of A-type supergiants -- Abundances in rapidly rotating a stars -- Statistical equilibrium of Al I/II in a stars and the abundance of aluminium in Vega -- Analyses of B-type stars in the Magellanic Clouds -- The chemical composition of main sequence stars in the Magellanic Clouds -- GHRS observations of O Stars in other galaxies -- The winds of hot stars in M31 and M33 -- Wolf-Rayet stars -- Spectrophotometry of Wolf-Rayet stars -- Near-Infrared Spectroscopy of Galactic Wolf-Rayet Stars -- Luminous Blue Variables -- Observed evolutionary changes in the visual magnitude of the luminous blue variable P Cygni -- Forbidden lines of [Fe II] and [N II] in P Cygni's envelope -- Spectroscopic observational data on P Cygni and comparison with the model of the bistable wind -- The spectroscopy of unusual high luminosity stars: HD 168607 and 6 Cas -- Discrete absorption components in O-type stars -- Analysis of circumstellar spectra of s dor -- Comoving frame calculations for ?-cephei -- Nonradial pulsations of O- and B-stars -- Analysis of line profile variations in pulsating B stars -- Mode identification of pulsating stars from line profile variations with the moment method -- Mode identification in beta Cephei stars from UV observations -- Magnetic fields in hot stars -- The structure of Ap star magnetic fields -- Diffusion, mass loss and accretion in stars -- Photospheric abundances in late-A and Am-Fm stars -- Effective temperature and models for early a stars: Application to 78Vir (A2P) -- Silicon abundances in normal and mercury-manganese type late-B stars -- Radiative accelerations on Ga and Al ions in stable atmospheres of CP stars -- Si II autoionization lines in stratified atmosphere of Bp star -- He - variables -- Variable H? emission in the helium-strong star ? orionis C -- Lambda Bootis stars -- A spectroscopic abundance analysis of Lambda Bootis stars first results in LTE -- Hot subluminous stars -- The spectra of blue horizontal branch stars -- Weight watching in M 15 -- Looking for gaps -- More on the progenitors of white dwarfs -- Non-LTE analysis of the Palomar Green subdwarf O stars -- A statistical complete sample of hot subdwarfs -- NLTE analysis of a SDO binary: HD128220 -- NLTE analysis of helium rich subdwarf O stars -- Analysis of PG 1159 stars -- NLTE analysis of the hydrogen-deficient central star of the planetary nebula Abell 78 -- Optical observations of the ultrahigh-excitation pre-white dwarf KPD 0005+5106 -- The atmospheres of extreme helium stars -- Mass loss from ? Sgr and other helium stars -- Blue post-asymptotic giant branch stars at high galactic latitude -- Old planetary nuclei and their evolutionary connections -- Analysis of central stars of old planetary nebulae: Problems with the Balmer lines -- Hot white dwarfs -- ROSAT observations of white dwarfs -- Carbon enrichment in the outer layers of hot helium-rich high gravity stars -- Prospective EUVE observations of hot white dwarfs -- Spectra of interacting binary white dwarf stars -- The opacity project — A review -- The Lyman ? line wing and application for synthetic spectra of DA white dwarfs -- Ion-atom complexes and the absorption of radiation in stellar plasma -- Ion-atom complexes and the recombination in stellar plasma -- Stark broadening parameters for spectral lines of multicharged ions in stellar atmospheres: C IV, N V, O VI lines and regularities within an isoelectronic sequence -- On Stark line shifts in spectra of very hot stars -- Accelerated Lambda Iteration -- Instabilities in hot-star winds: Basic physics and recent developments -- Radiation-driven wind theory: Not (yet?) working -- Radiation-driven wind theory: The influence of turbulence -- Application of the etla approach in the comoving frame to the study of winds in hot stars -- Interactive LTE spectrum synthesis -- Calculations of line positions in the presence of magnetic and electric fields in white dwarf spectra -- Treatment Of strong magnetic fields in very hot stellar atmospheres -- Blends, frequency grids and the Scharmer scheme -- Multilevel non-LTE radiative transfer using exact complete and diagonal operators -- Iron line blanketing in NLTE model atmospheres for O stars: First results -- Calculations of non-LTE radiative transfer in extended outflowing atmospheres using the Sobolev approximation for line transfer -- 3d radiative line-transfer for disk-shaped be star envelopes.
Record Nr.	UNISA-996466682503316

Edizione	[1st ed. 1988.]
Pubbl/distr/stampa	Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 1988
Descrizione fisica	1 online resource (XIV, 468 p. 17 illus.)
Disciplina	520
Collana	Lecture Notes in Physics
Soggetto topico	Observations, Astronomical Astronomy—Observations Astrophysics Geophysics Astronomy, Observations and Techniques Astrophysics and Astroparticles Geophysics/Geodesy
ISBN	3-540-39282-3
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Contents: Chemical Peculiarities as Probe of Stellar Evolution: Main-Sequence Stars. Cool Evolved Stars. Hot Evolved Stars -- Mass-Losing Stars In Different Stages of Evolution: Hot Stars. Cool Stars. Interacting Binaries -- Chemical and Dynamical Structures of Exploding Stars: Novae And Dwarf Novae. Supernovae -- Concluding Remarks -- List of Participants.
Record Nr.	UNINA-9910257393903321

Edizione	[1st ed. 2023.]
Pubbl/distr/stampa	Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2023
Descrizione fisica	1 online resource (XV, 218 p. 74 illus., 68 illus. in color.)
Disciplina	629.4
Collana	Springer Series in Astrophysics and Cosmology
Soggetto topico	Astronautics Aerospace engineering Control engineering Robotics Automation Astronomy Space Exploration and Astronautics Aerospace Technology and Astronautics Control, Robotics, Automation Astronomy, Observations and Techniques
ISBN	981-9906-13-X
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	1. Review, Prospect and Technical Challenge of Launch Vehicle -- 2. Autonomous Guidance Control for Ascent Flight -- 3. Ascent Predictive Guidance for Thrust Drop Fault of Launch Vehicles Using Improved GS-MPSP -- 4. Birkhoﬀ pseudospectral method and convex programming for trajectory optimization -- 5. Autonomous Descent Guidance via Sequential Pseudospectral Convex Programming.
Record Nr.	UNINA-9910698646803321

Edizione	[1st ed. 1996.]
Pubbl/distr/stampa	Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 1996
Descrizione fisica	1 online resource (XI, 308 p.)
Disciplina	523.1/12
Collana	Lecture Notes in Physics
Soggetto topico	Observations, Astronomical Astronomy—Observations Astrophysics Space sciences Astronomy, Observations and Techniques Astrophysics and Astroparticles Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics)
ISBN	3-540-70694-1
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Some historical remarks on Bertil Lindblad's work on galactic dynamics -- Formation and evolution mechanisms of barred spiral galaxies -- Orbits in barred galaxies -- Secular evolution in barred galaxies -- The fate of barred galaxies in interacting and merging systems -- H i in barred spirals -- Hi Observations of a sample of barred spirals -- Hydrodynamical simulations of the barred spiral galaxy NGC 1365 -- Evolution of galaxies along the Hubble sequence -- Rings, lenses, nuclear bars: the fundamental role of gas -- The barred galaxy NGC 1530 -- A circumnuclear molecular torus in NGC 1365 -- Dynamics of inner galactic disks: The striking case of M 100 -- Dynamical substructures in two nearby galaxy nuclei -- The spheroidal component of Seyfert galaxies -- The pattern speed of the Galactic bulge -- The central Parsec of the Milky Way: Star formation and central dark mass -- Radio continuum and molecular gas in the Galactic Center -- The galactic center dynamics -- Observational evidence for the AGN paradigm -- Bar triggered nuclear activity and the anisotropic radiation fields of Active Galactic Nuclei -- Circumnuclear starbursts in barred galaxies -- Circumnuclear activity -- Outflows from the nearest barred galaxies -- The nuclear high excitation outflow cone in NGC 1365 -- Hubble Space Telescope observations of the centers of elliptical galaxies.
Record Nr.	UNINA-9910257420803321

Autore	Brzezniak Zdzislaw
Edizione	[1st ed. 1999.]
Pubbl/distr/stampa	London : , : Springer London : , : Imprint : Springer, , 1999
Descrizione fisica	1 online resource (X, 226 p.)
Disciplina	519.2
Collana	Springer Undergraduate Mathematics Series
Soggetto topico	Probabilities Observations, Astronomical Astronomy—Observations Probability Theory and Stochastic Processes Astronomy, Observations and Techniques
ISBN	1-4471-0533-8
Classificazione	60Gxx
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	1. Review of Probability -- 1.1 Events and Probability -- 1.2 Random Variables -- 1.3 Conditional Probability and Independence -- 1.4 Solutions -- 2. Conditional Expectation -- 2.1 Conditioning on an Event -- 2.2 Conditioning on a Discrete Random Variable -- 2.3 Conditioning on an Arbitrary Random Variable -- 2.4 Conditioning on a ?-Field -- 2.5 General Properties -- 2.6 Various Exercises on Conditional Expectation -- 2.7 Solutions -- 3. Martingales in Discrete -- 3.1 Sequences of Random Variables -- 3.2 Filtrations -- 3.3 Martingales -- 3.4 Games of Chance -- 3.5 Stopping Times -- 3.6 Optional Stopping Theorem -- 3.7 Solutions -- 4. Martingale Inequalities and Convergence -- 4.1 Doob’s Martingale Inequalities -- 4.2 Doob’s Martingale Convergence Theorem -- 4.3 Uniform Integrability and L1 Convergence of Martingales -- 4.4 Solutions -- 5. Markov Chains -- 5.1 First Examples and Definitions -- 5.2 Classification of States -- 5.3 Long-Time Behaviour of Markov Chains: General Case -- 5.4 Long-Time Behaviour of Markov Chains with Finite State Space -- 5.5 Solutions -- 6. Stochastic Processes in Continuous Time -- 6.1 General Notions -- 6.2 Poisson Process -- 6.3 Brownian Motion -- 6.4 Solutions -- 7. Itô Stochastic Calculus -- 7.1 Itô Stochastic Integral: Definition -- 7.2 Examples -- 7.3 Properties of the Stochastic Integral -- 7.4 Stochastic Differential and Itô Formula -- 7.5 Stochastic Differential Equations -- 7.6 Solutions.
Record Nr.	UNINA-9910480059903321