'Balmer lines' presentation slideshows

Starlight and Atoms

Note that the following lectures include animations and PowerPoint effects such as fly ins and transitions that require you to be in PowerPoint's Slide Show mode (presentation mode). Starlight and Atoms. Chapter 7. Guidepost.

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Astronomical distances

Astronomical distances. Calculate the time taken to: (a) travel to the Moon at 100 kmh -1 (63 m.p.h.) (b) (i) travel to the Sun and (ii) Proxima Centuari using the Apollo spacecraft that took three days to reach the Moon. Distances in km: Moon: 380 000 km Sun: 150 000 000 km

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Starlight and Atoms

Starlight and Atoms. Outline. I. Starlight A. Temperature and Heat B. The Origin of Starlight C. Two Radiation Laws D. The Color Index II. Atoms A. A Model Atom B. Different Kinds of Atoms C. Electron Shells III. The Interaction of Light and Matter A. The Excitation of Atoms

863 views • 55 slides

Solar Physics - Atmosphere

Solar Physics - Atmosphere. K.E.Rangarajan. Recommended Text : The Sun An introduction Second edition by Michael Stix Springer publication. Spectral Lines (e.g. 2D echelle image of optical Solar spectrum). NaI. Continuous Energy Distribution (e.g.UV optical spectrophotometry of Vega).

570 views • 54 slides

The Classification of Stellar Spectra

The Classification of Stellar Spectra. The Formation of Spectral Lines The Hertzsprung-Russell Diagram. Midterm Exam. Midterm Thursday February 21 (chapters 1-6) A review session will be held during the regularly scheduled lecture time on Tuesday February 19. Stellar Spectra.

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Starlight and Atoms

629 views • 32 slides

Electromagnetic radiation

Electromagnetic radiation. Recap from last time: Light travels at 300,000 km/s. It is a form of electromagnetic radiation . Beyond the range of what the eye can perceive, you find other forms of electromagnetic radiation like X-rays, infrared and radio.

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Motivation:

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V1309 Sco Nova Scorpii 2008

V1309 Sco Nova Scorpii 2008. Elena Mason, Robert Williams, Marcus Diaz ESO-Chile STCI IAG University of Sao Paulo. The FEROS nova survey. Jun 2003-Feb 2006 (ESO periods 71-76): 14 CNe; 2-12 epochs per object; La Silla 2.2+FEROS: ? -range ~400-900nm; R~48000.

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NOTES FOR THE DAY: Waves: Characteristics: wavelength, ? --distance of repetition (crest to crest).

NOTES FOR THE DAY: Waves: Characteristics: wavelength, ? --distance of repetition (crest to crest). frequency, f --no. of complete cycles passing a point in a given time (cycles/sec = Hertz or Hz). wave velocity, v --the speed of a crest (m/s).

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The correlations between spectral properties in the spectra of AGNs type 1

The correlations between spectral properties in the spectra of AGNs type 1. Jelena Kova? evi ? 1 , Luka ? . Popovi ? 1 , Milan S. Dimitrijevi ? 1 , Payaswini Saikia 1 1 Astronomical Observatory Belgrade , Serbia. Outline:.

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Atomic Spectra

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Balmer Lines as a Probe of Physical Processes in the Broad Line Region

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The Balmer continuum in the spectra of AGN

The Balmer continuum in the spectra of AGN. Kova ? evi ? , J., Popovic, L. ?., Kollatschny, W., Saikia, P. Introduction. In order to understand physical and kinematical properties of AGN emission regions we investigate the correlations between different spectral properties .

374 views • 9 slides