astronomical spectroscopy introduction pmo 2014...4 astronomical spectroscopy abundance spectra line...
TRANSCRIPT
![Page 1: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/1.jpg)
Astronomical SpectroscopyIntroductionPMO 2014
David Haworth
www.stargazing.net/david
Copyright 2014
![Page 2: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/2.jpg)
2
Astronomical Spectroscopy
Electromagnetic spectrumprovides insight to the universe
Quantum Mechanics
Instrumentation
Astrophysics
Software
![Page 3: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/3.jpg)
3
Astronomical Spectroscopy
CompositionSpectra line patterns: atoms, ions & modules
Temperature & densitySpectra line patterns: atom states & transitions
Stellar classification
MotionsSpectra line Doppler shift
Analyzing Electromagnetic Spectrum
![Page 4: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/4.jpg)
4
Astronomical Spectroscopy
AbundanceSpectra line strengths
PressureSpectra line profile
Magnetic fieldsSpectra line splits
Analyzing Electromagnetic Spectrum
![Page 5: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/5.jpg)
5
Electromagnetic Waves
c: speed of light (~ 3 x 108 meters/sec)
: frequency (Hz)
: wavelength (meters)
Frequency increases (), wavelength decreases ()
Credit http://astro.unl.edu
c =
![Page 6: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/6.jpg)
6
Electromagnetic Waves Energy
E: energy of a photon1 electronvolt (1eV) = 1.602 x 10-19 Joules
h: Planck’s constant (6.626 x 10-34 Joule seconds)
: frequency (Hz)
Frequency increases (), energy increases (E)
Credit http://astro.unl.edu
E = h
![Page 7: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/7.jpg)
7
Electromagnetic Waves EnergyCredit http://astro.unl.edu
Wavelength increases (), energy decreases (E)
λ nm λ Å E Joules eV
300 3000 6.62E-19 4.13
350 3500 5.67E-19 3.54
400 4000 4.97E-19 3.10
450 4500 4.41E-19 2.75
500 5000 3.97E-19 2.48
550 5500 3.61E-19 2.25
600 6000 3.31E-19 2.07
650 6500 3.06E-19 1.91
700 7000 2.84E-19 1.77
750 7500 2.65E-19 1.65
E = h
= c/
E = hc/
1eV = 1.602 x 10-19 Joules
UV
IR
![Page 8: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/8.jpg)
8
Electromagnetic SpectrumCredit http://astro.unl.edu
![Page 9: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/9.jpg)
9
Wien’s Displacement Law
max: Peak emission at wavelength
b: Wien's displacement constant2.8977×10−3 m·K
T: temperature in KelvinKelvin = C + 273
F = (C 9/5) + 32
max = b/T
Kelvin C F Notes
0 -273 -459.4 Absolute Zero
273 0 32.0 Water Freezes
293 20 68.0
373 100 212.0 Water Boils
798 525 977.0 Draper Point
1000 727 1340.6 Emits Red
6000 5727 10340.6 Emits White
![Page 10: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/10.jpg)
10
Black Body RadiationVarying the power to a light bulb
![Page 11: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/11.jpg)
11
Black-Body Radiation7190 K & Peak at 403.0 nm
Credit http://astro.unl.edu
![Page 12: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/12.jpg)
12
Black-Body Radiation5730 K & Peak at 505.7 nm
Credit http://astro.unl.edu
![Page 13: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/13.jpg)
13
Black-Body Radiation4780 K & Peak at 606.2 nm
Credit http://astro.unl.edu
![Page 14: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/14.jpg)
14
Spectrum of Light
Credit http:// astro.unl.edu
Continuous Spectrum
![Page 15: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/15.jpg)
15
Spectral Lines of Light
Credit http:// astro.unl.edu
Hydrogen Emission Spectrum
![Page 16: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/16.jpg)
16
Strong Spectral Lines of Hydrogen
http://physics.nist.gov/PhysRefData
/Handbook/Tables/hydrogentable2_a.htm
![Page 17: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/17.jpg)
17
Strong Spectral Lines of Hydrogen NIST
![Page 18: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/18.jpg)
18
Hydrogen Atom Energy Levels
Credit http:// astro.unl.edu
![Page 19: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/19.jpg)
19
Credit http://astro.unl.edu
Hydrogen Atom Energy Levels
![Page 20: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/20.jpg)
20
Credit http://astro.unl.edu
Continuous Spectrum
Credit http:// astro.unl.edu
StarStar atmosphere,Nebula, etc.
![Page 21: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/21.jpg)
21
Credit http://astro.unl.edu
Emission Spectrum
Credit http:// astro.unl.edu
StarStar atmosphere,Nebula, etc.
![Page 22: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/22.jpg)
22
Credit http://astro.unl.edu
Absorption Spectrum
Credit http:// astro.unl.edu
StarStar atmosphere,Nebula, etc.
![Page 23: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/23.jpg)
23
Hydrogen Absorption SpectrumVega
H-beta
H-gamma
H-delta
H-alphaH-epsilon
![Page 24: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/24.jpg)
24
Hydrogen Absorption SpectrumDenebola Spectrum
H-betaH-gamma
H-zeta
H-delta
H-epsilon
![Page 25: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/25.jpg)
25
Hydrogen Absorption SpectrumDenebola Spectrum
H-beta
H-gamma H-alpha
H-delta
![Page 26: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/26.jpg)
26
Fraunhofer Solar Spectrum Lines
Credit http://en.wikipedia.org/wiki/File:Fraunhofer_spectroscope.JPG
Joseph von Fraunhofer (1787–1826)
![Page 27: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/27.jpg)
27
Fraunhofer Solar Spectrum Lines
Credit http://en.wikipedia.org/wiki/File:Fraunhofer_lines.svghttp://www.astroman.fsnet.co.uk/fraunhofer.gif
![Page 28: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/28.jpg)
28
Fraunhofer Solar LinesDVD Spectrograph
D: NaE: Feb: MgF: HβG: Ca, Fe, Hγ
![Page 29: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/29.jpg)
29
Quantum Mechanics
Principal quantum number: n
Angular momentum quantum number: l(sharp 0, principal 1, diffuse 2 or fundamental 3)
Magnetic quantum number: mSame energy levels except in external magnetic fields.
Spin quantum number: sSpin up (+ ½ ) or spin down (- ½ )
Lines Energy Levels
![Page 30: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/30.jpg)
30
Lines Energy Levels
N = 3, l = 0, s = + ½ or + ½
N = 3, l = 1, + ½N = 3, l = 1, - ½5890
5896
Energy eV
l = 0 l = 1
0 eV Ionization - Free electron
Na Double Lines – Betelgeuse
![Page 31: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/31.jpg)
31
Early Astronomical Spectroscopy
1890: 1st Draper Memorial Catalogue 10,351 stars
1912: Last of the 4 Draper Memorial Catalogues
1922 IAU formal adoption of Draper system
By temperature: OBAFGKM with decimal types
1890: Harvard College Observatory
Credit http://spiff.rit.edu/classes/phys301/lectures/comp/comp.html
![Page 32: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/32.jpg)
32
Star ClassificationSpectral Type = Star Temperature
Credit http:// astro.unl.edu
![Page 33: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/33.jpg)
33
Spectral Lines of Light
Credit http:// astro.unl.edu
Hydrogen Absorption Spectrum
![Page 34: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/34.jpg)
34
Hertzsprung-Russell DiagramLuminosity vs. Temperature
Credit http:// astro.unl.edu
![Page 35: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/35.jpg)
35
Credit http://commons.wikimedia.org/wiki/File:H-R_diagram_-edited-3.gif
22,000 stars from the Hipparcos
Catalogue + 1,000 Low-lum.
Hertzsprung-Russell Diagram
![Page 36: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/36.jpg)
36
Henry Draper Catalgues
1912-49: Harvard College Observatory 225,300 stars Henry Draper (HD) Catalogue
46,850 stars Henry Draper Extension (HDE)
86,933 stars Henry Draper Extension Chart (HDEC)
Astronomical Spectroscopy
![Page 37: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/37.jpg)
37
Microsoft WorldWide TelescopeVega, Lyra
![Page 38: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/38.jpg)
38
SIMBADVega A0V
![Page 39: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/39.jpg)
39
Spectral Type
Credit www.cfa.harvard.edu/~pberlind/atlas/atframes.html
Vega A0V
![Page 40: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/40.jpg)
40
Luminosity Class
Credit www.cfa.harvard.edu/~pberlind/atlas/atframes.html
Vega A0V
![Page 41: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/41.jpg)
41
SIMBADVega, HD172167
![Page 42: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/42.jpg)
42
VizieR Detail PageVega, HD172167
![Page 43: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/43.jpg)
43
VizieR Detail PageVega, HD172167
![Page 44: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/44.jpg)
44
Vega HD172167Sky Charts V2.76c
![Page 45: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/45.jpg)
45
HD42088
Credit http://www.cfa.harvard.edu/~pberlind/atlas/atframes.html
O6V
![Page 46: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/46.jpg)
46
HD140775
Credit http://www.cfa.harvard.edu/~pberlind/atlas/atframes.html
A0V
![Page 47: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/47.jpg)
47
HD109358
Credit http://www.cfa.harvard.edu/~pberlind/atlas/atframes.html
G0V
![Page 48: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/48.jpg)
48
HD95735
Credit http://www.cfa.harvard.edu/~pberlind/atlas/atframes.html
M2V
![Page 49: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/49.jpg)
49
Astronomical Spectroscopy
CompositionSpectra line patterns: atoms, ions & modules
Temperature & densitySpectra line patterns: atom states & transitions
Stellar classification
MotionsSpectra line Doppler shift
Analyzing Electromagnetic Spectrum
![Page 50: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/50.jpg)
50
Credit http://astro.unl.edu
Radial Velocity Spectra
Credit http:// astro.unl.edu
![Page 51: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/51.jpg)
Credit http://astro.unl.edu
Radial Velocity Spectra Quasar 3C 273 Redshift Measurement
![Page 52: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/52.jpg)
52
Credit http://astro.unl.edu
Quasar 3C 273 RedshiftOne 300 second image
3C 273
![Page 53: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/53.jpg)
53
Credit http://astro.unl.edu
Quasar 3C 273 Redshift16 x 300 second images
3C 273
H-beta H-alpha
![Page 54: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/54.jpg)
54
Credit http://astro.unl.edu
Quasar 3C 273 RedshiftStar BD+02 2547, F5 used for calibration
H-betaH-alpha
3C 273
BD+02 2547
H-gamma
![Page 55: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/55.jpg)
55
Credit http://astro.unl.edu
Quasar 3C 273 RedshiftRedshift z = 0.158339
![Page 56: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/56.jpg)
56
Credit http://astro.unl.edu
Quasar 3C 273 RedshiftObserved Quasar 3C 273 Spectrum
IR-AUV
![Page 57: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/57.jpg)
57
Credit http://astro.unl.edu
Quasar 3C 273Observed Spectrum Redshift 0.1608
![Page 58: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/58.jpg)
58
M57 PMO 2014 Sunday Night
![Page 59: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/59.jpg)
59
M57 PMO 2014 Sunday Night
![Page 60: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/60.jpg)
60
M57 PMO 2014 Sunday Night
![Page 61: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/61.jpg)
61
M57 PMO 2014 Sunday Night
![Page 62: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/62.jpg)
62
Astronomical Spectroscopy Summary
CompositionSpectra line patterns: atoms
Temperature & densitySpectra line patterns: atom states & transitions
Stellar classification
MotionsSpectra line Doppler shift
Analyzing Electromagnetic Spectrum
![Page 63: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/63.jpg)
63
Credits: http://astro.unl.edu/
![Page 64: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/64.jpg)
64
http://www.stargazing.net/david/spectroscopy/links.html
![Page 65: Astronomical Spectroscopy Introduction PMO 2014...4 Astronomical Spectroscopy Abundance Spectra line strengths Pressure Spectra line profile Magnetic fields Spectra line splits Analyzing](https://reader033.vdocuments.mx/reader033/viewer/2022052717/5f0443977e708231d40d1e0d/html5/thumbnails/65.jpg)
65
www.stargazing.net/david