px269 galaxies
DESCRIPTION
PX269 Galaxies. Part 5: Galactic nuclei 5.1 Active galaxies. Seyfert galaxies. NGC 5548 (Seyfert galaxy). NGC 3277 (normal galaxy). Typical galaxy spectrum (optical). Optical spectra of Seyfert nuclei. Type 1(broad allowed lines). Type 2 (narrow lines). XMM-Newton X-ray telescope. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/1.jpg)
PX269 Galaxies
PX269 Galaxies
Part 5: Galactic nuclei
5.1 Active galaxies
![Page 2: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/2.jpg)
Seyfert galaxies
NGC 5548 (Seyfert galaxy) NGC 3277 (normal galaxy)
![Page 3: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/3.jpg)
PX269 Galaxies
Typical galaxy spectrum (optical)
![Page 4: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/4.jpg)
PX269 Galaxies
Optical spectra of Seyfert nuclei
Type 1(broad allowed lines)
Type 2 (narrow lines)
![Page 5: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/5.jpg)
XMM-Newton X-ray telescope
![Page 6: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/6.jpg)
X-ray spectra of active galaxies
Type 1
Type 1
Type 2
Type 2
![Page 7: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/7.jpg)
PX269 GalaxiesBroadband energy spectrum
X-rays
![Page 8: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/8.jpg)
Rapid Variability
![Page 9: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/9.jpg)
PX269 Galaxies
![Page 10: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/10.jpg)
PX269 Galaxies
76m Lovell Radio Telescope
![Page 11: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/11.jpg)
Radio image of Cygnus A (a radio galaxy)
![Page 12: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/12.jpg)
Combined optical and radio images of Cen A
![Page 13: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/13.jpg)
![Page 14: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/14.jpg)
Optical jet in M87
a nearby gE galaxy
HST
![Page 15: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/15.jpg)
HST image of the quasar 3C 273
![Page 16: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/16.jpg)
X-ray jet from the quasar 3C 273
![Page 17: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/17.jpg)
Optical spectra of active galaxies
![Page 18: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/18.jpg)
Unified Model
![Page 19: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/19.jpg)
PX269 Galaxies
Unified Model
![Page 20: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/20.jpg)
PX269 Galaxies
![Page 21: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/21.jpg)
PX269 Galaxies
![Page 22: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/22.jpg)
PX269 Galaxies
Crucial evidence supporting unified modelTotal flux
Polarised flux
Type 2 spectrum
Type 1 spectrum
NGC1068
![Page 23: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/23.jpg)
PX269 Galaxies
Transition between Type 1 and 2 in a single object
1984: Type 2
1974: Type 1
![Page 24: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/24.jpg)
PX269 Galaxies
Part 5: Galactic nuclei
5.2 Super-massive black holes in normal galaxies
![Page 25: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/25.jpg)
PX269 Galaxies
Kormendy 1988
Evidence for a super-massive black hole at the nucleus of M31
![Page 26: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/26.jpg)
Hubble Space Telescope
![Page 27: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/27.jpg)
Very Large Telescope (VLT)
European Southern Observatory (ESO) in Chile
![Page 28: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/28.jpg)
PX269 Galaxies
Schoedel et al 2002, Nature 419, 694
![Page 29: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/29.jpg)
PX269 Galaxies
Schoedel et al 2002, Nature 419, 694
![Page 30: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/30.jpg)
PX269 GalaxiesSchoedel et al 2002, Nature 419, 694
![Page 31: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/31.jpg)
PX269 GalaxiesSchoedel et al 2002, Nature 419, 694
![Page 32: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/32.jpg)
PX269 Galaxies
![Page 33: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/33.jpg)
PX269 Galaxies
The M-Sigma relation
Tremaine et al 2002, ApJ 574, 740
![Page 34: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/34.jpg)
PX269 Galaxies
Kormendy 1988
Evidence for a super-massive black hole at the nucleus of M31
![Page 35: PX269 Galaxies](https://reader035.vdocument.in/reader035/viewer/2022062314/568138d3550346895da08cb6/html5/thumbnails/35.jpg)