Title: Astronomy C Event
1Astronomy C Event Stellar Evolution
Solitary Stars, Open Clusters, Binary Systems
Cepheid and Mira Variable Stars
Stellar Nurseries Main Sequence Stars
Red Giants and Planetary Nebulae
Red Supergiants and Wolf-Rayet Stars
Type Ia and Type II Supernovae
White Dwarfs, Neutron Stars, Magnetars, Pulsars,
Black Holes
Keplers Laws, Rotation, and Circular Motion
Parallax, Spectroscopic Parallax and the Distance
Modulus
Spectroscopy, HR Diagrams and light curves
DS9 Image Analysis Software
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4Sites of Stellar Formation
M16
5M16
6Star Systems
Open Clusters
Solitary Stars
Binary Star Systems
Planetary Systems
7Mid-Sized Stars i.e. Sun
8Planetary Nebulae White Dwarfs
9Massive Stars i.e. Antares
10Wolf-Rayet Stars i.e. WR 124
11Supernovae Type II
Simeis 147
W49B
N49
12Neutron Stars, Pulsars, Black Holes
Black Hole
3C58
13Sagittarius A
14Supernovae Type Ia
Tychos SNR Remnant
15Supernovae Type Ia
Mira
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17Periodic Table
H-R Diagram
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19H-R Diagrams
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22http//chandra.harvard.edu/edu/formal/stellar_ev/s
tory/
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24http//chandra.harvard.edu/edu/formal/stellar_ev/
25http//chandra.harvard.edu/edu/formal/stellar_ev/c
osmic/
26http//www.chandra.harvard.edu/edu/epo/request.htm
l donna.young_at_tufts.edu
http//www.tufts.edu/as/wright_center/
27Resources
28Variable Stars
29Light Curves
Red Giants Supernova
Cepheids
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32Stellar Spectra
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36Cosmological Distances
Variables
Cepheids
Spectroscopic Parallax
37Cosmological Distances
?Spectroscopic Parallax
The Distance Modulus M m - 5log10 (r)
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?Cepheids
The Distance Modulus M m - 5log10 (r)
10
38Cosmological Distances Candles
?Type Ia Supernovae Standard Candle
Mv -19.5Â
The Distance Modulus M m - 5log10 (r)
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39Basic Equations and Relationships
The Distance Modulus M m - 5log10 (r)
10 Keplers 3rd Law (MA MB) a3
p2 v d a v 2p a
vP Fc mac ac v2 r?2 t
t
r 1 pc 206,265 au 3.26
ly 3.08 x 1016m 1 60 arcmin 60 1
60 arcsec 60? Inverse Square Law L
1/r2 Circumference, Area, Surface Area, and
Volume of a Sphere
REARRANGE ALL EQUATIONS FOR EACH VARIABLE
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41Craft Schematic
Reasons for Different Scales
Log
SQRT
Linear
Squared
- 1. The Log scale emphasizes the faintest regions.
- 2. The SQRT scale emphasizes faint to medium
bright regions. - 3. The Linear scale emphasizes medium bright to
bright regions. - 4. The Squared scale emphasizes only the
brightest regions.
42http//chandra.harvard.edu/edu/formal/imaging/ ind
ex.html
43Log
SQRT
Linear
SQRD
44http//chandra-ed.harvard.edu/
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482. The Distance to Cas A and date of the
Explosion 3. The Size of the Remnant 4. Light
Curve 5. Radial Intensive Profile 6. Energy
Spectra
49Craft Schematic
Activities Using DS9
Cas A Activity 6 Making Energy Spectra Element
Abundances
Spectrum a
Spectrum b
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52http//www.geocities.com/lewiston_stargazer/ tycho
handout.htm
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56http//www.geocities.com/lewiston_stargazer/ds9act
ivity.html
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