PH1600: Introductory Astronomy
Download
Report
Transcript PH1600: Introductory Astronomy
What is this?
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…
Lecture material
Listed wikipedia entries
But not higher math
APODs posted during the semester
APOD review every week during lecture
Completing the Quizzes
Homework quizzes 1 - 8.
Homework 9 released later (Wed.) by 4 pm
See WebCT at http://courses.mtu.edu/
Wikipedia entries:
black hole
event horizon
photon sphere
Einstein ring
gamma ray burst
4
Star Death
Low mass stars
Planetary nebulas
White dwarfs
High mass stars
Supernovas
Neutron stars
Black holes
Black holes - attributes
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
Floating free in space
Binary systems
Cygnus X-1
LMC X-1
Many other candidates
Centers of Galaxies
Milky Way (Sgr A*)
Active Galactic Nuclei
Quasars
Black Hole Candidate Cygnus X-1
Credit: ESA, Hubble
APOD: 2008 August 11
10
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
22
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
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
32
GRO J1655-40: Evidence for a Spinning Black Hole
Drawing Credit: A. Hobart, CXC
APOD: 2006 May 28