dust in the giant elliptical galaxy - evidence of collision of several spiral galaxies ?

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in the giant elliptical galaxy - evidence sion of several spiral galaxies ?

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Dust in the giant elliptical galaxy - evidence of collision of several spiral galaxies ?. Galactic Radio Arcs originating from the vicinity of the black hole in the galaxy center - plasma streaming along magnetic field lines ?. Same place - X rays due to the collision of the hot plasma - PowerPoint PPT Presentation

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Page 1: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Dust in the giant elliptical galaxy - evidence of collision of several spiral galaxies ?

Page 2: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Galactic Radio Arcs originating from the vicinityof the black hole in the galaxy center - plasma streaming along magnetic field lines ?

Page 3: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Same place - X raysdue to the collisionof the hot plasmawith a cold cloud ?

Page 4: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

QuickTime™ and aYUV420 codec decompressor

are needed to see this picture.

Recent EIT 195movie

Page 5: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Supernova in UV in another galaxy

Page 6: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

6שיעור n מעברהקרינה

Page 7: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Exercise: Syhchrotron emission from a power-law distribution

Exercise: Power of inverse Compton scattering

Exercise: Natural line profile

Page 8: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

תצפיות

הספק

האנרגיה שטף

כיוון

תדר

Page 9: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

ערכים בין קשר

Page 10: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Q: Isotropic intensity - what is the flux ?

Page 11: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

האנרגיה צפיפות

Page 12: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

התנע שטף

Page 13: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Q: Isotropic intensity - what is the pressure ?

Q: Sun interior - flux ? pressure ?

Page 14: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

המצב משוואתאיזוטרופית קרינה

מחזירות דפנות

Page 15: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

ובליעה פליטה

ספונטנית פליטה

Page 16: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Q: Initial intensity =0 ?

Q: Emissivity = 0 ?

Page 17: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

ובליעה מאולצת פליטה

אופטי עומק

Page 18: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Q: Optical depth - physical sense ?

Q: Dependence on the frame ?

Page 19: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

פיזורופליטה בליעה

Page 20: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Q: Diff eq ?

Q: If non-isotropic scattering ?

Page 21: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

הקרינה מעבר משוואת

Page 22: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

פתרון

פשוט מקרה

Page 23: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Q: No initial intensity - what is this ? Small and large optical depth ?

Q: Only Thomson scattering in the Sun. What is the optical depth ?

Q: How long travels light before leaving the Sun ?

Page 24: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

שחור גוף

Page 25: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

שחור גוףהמשך

Page 26: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?
Page 27: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

תרמית קרינה

בליעה או פליטה

Page 28: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Q: Maximum intensity from a thermally emitting body ?

Q: Where do the photons come from ?

Q: Emission and absorption lines ?

Q: Line shape (saturation) ?

Page 29: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?
Page 30: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?
Page 31: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

חופשיים פוטונים

Page 32: Dust in the giant elliptical galaxy - evidence of  collision of several spiral galaxies ?

Q: Redshifted emission - intensity ?