PH1600: Introductory Astronomy

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Transcript PH1600: Introductory Astronomy

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PH1600: Introductory Astronomy
Lecture 17: Black Holes
PH1600: Introductory Astronomy
Lecture 16: Black Holes
Next Lecture: The Milky Way Galaxy
School: Michigan Technological University
Professor: Robert Nemiroff
Online Course WebCT pages:
http://courses.mtu.edu/
This class can be taken online ONLY, class
attendance is not required!
You are responsible for…
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Lecture material
Listed wikipedia entries
 But not higher math
APODs posted during the semester
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APOD review every week during lecture
Completing the Quizzes
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Homework quizzes 1 - 8.
Homework 9 released later (Wed.) by 4 pm
See WebCT at http://courses.mtu.edu/
Wikipedia entries:
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black hole
event horizon
photon sphere
Einstein ring
gamma ray burst
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Star Death
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Low mass stars
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Planetary nebulas
White dwarfs
High mass stars
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Supernovas
Neutron stars
Black holes
Black holes - attributes
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Singularity (?)
Event horizon
Photon sphere
Einstein ring
Time dilation
Too Close to a Black Hole
Credit & Copyright: Robert Nemiroff (MTU)
APOD: 2002 September 8
Black holes – where found
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Floating free in space
Binary systems
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Cygnus X-1
LMC X-1
Many other candidates
Centers of Galaxies
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Milky Way (Sgr A*)
Active Galactic Nuclei
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Quasars
Black Hole Candidate Cygnus X-1
Credit: ESA, Hubble
APOD: 2008 August 11
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A Big Black Hole Floats By
Credit: David H. Bennett (Notre Dame) et al.,
WFPC2, HST, NASA
APOD: 2000 January 19
The Swarm
Credit: M. P. Muno (UCLA) et al., CXC, NASA
APOD: 2006 July 29
X-Rays from the Galactic Core
Credit: Fred Baganoff (MIT),
Mark Morris (UCLA), et al., CXC, NASA
APOD: 2003 January 8
X-Rays Indicate Star Ripped Up by Black Hole
Illustration Credit: M. Weiss, CXC, NASA
APOD: 2004 February 24
V4641 Sgr: The Closest Black Hole Candidate
Credit: Robert M. Hjellming et al., VLA, NRAO
APOD: 2000 January 17
Spinning Black Holes and MCG-6-30-15
Drawing Credit: XMM-Newton, ESA, NASA
APOD: 2001 October 29
Evidence for Frame Dragging Black Holes
Drawing Credit & Copyright: J. Bergeron, Sky & Telescope Magazine
APOD: 1997 November 7
Black Holes Signature From Advective Disks
Research Credit: R. Narayan et al. (CfA), ASCA, ISAS, NASA
APOD: January 15, 1997
The Most Distant X-Ray Jet
Credit: A. Siemiginowska (CfA) et al.,
CXC, NASA; Illustration by M.Weiss (CXC)
APOD: 2003 November 28
Sgr A*: Fast Stars Near the Galactic Center
Credit: A. Eckart (U. Koeln) et al., SHARP I, NTT, La Silla Obs., ESO
APOD: 2000 December 20
The Double Nucleus of M31
Credit: T. R. Lauer (KPNO/NOAO) et al., HST
APOD: 1996 October 11
M81: Feeding a Black Hole Credit: X-ray:
NASA/CXC/Wisconsin/D.Pooley &
CfA/A.Zezas; Optical:
NASA/ESA/CfA/A.Zezas; UV: NASA/JPLCaltech/CfA/J.Huchra et al.; IR: NASA/JPLCaltech/CfA
APOD: 2008 June 27
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Binary Black Hole in 3C 75
Credit: X-Ray: NASA / CXC / D.Hudson, T.Reiprich et al. (AIfA);
Radio: NRAO / VLA/ NRL
APOD: 2006 April 12
The Supermassive Black Holes of NGC 6240
Credit: Optical: R.P.van der Marel & J.Gerssen (STScI), NASA;
X-ray: S.Komossa & G.Hasinger (MPE) et al., CXC, NASA
APOD: 2002 November 28
Black Holes in Galactic Centers
Credit: D. Richstone (U. Mich) et al., HST, NASA
APOD: 1999 October 17
Gamma Ray Bursts
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Found by accident in the 1960s
Last seconds
Outshine entire gamma-ray sky
Furthest explosions known
Short Gamma-Ray Bursts Localized
Illustration Credit : Dana Berry, NASA
APOD: 2005 October 17
On the Origin of Gold; APOD: 2005 May 15
A Slow Explosion
Credit: Y. Grosdidier (U. Montreal) et al., WFPC2, HST, NASA
APOD: 2003 March 25
X-Ray Rings Expand from a Gamma Ray Burst
Credit: S. Vaughan, R. Willingale (U. Leicester) et al., XMM, ESA
APOD: 2004 January 30
Across the Universe
Credit: NASA Swift Team,
Stefan Immler (GSFC) et al.
APOD: 2008 March 28
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GRO J1655-40: Evidence for a Spinning Black Hole
Drawing Credit: A. Hobart, CXC
APOD: 2006 May 28