Black Hole silhouetted against the Milky Way Fall 2005 ASTR 2030 Homepage

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Center of the peculiar galaxy NGC 4438 (Arp 120) in the Virgo cluster

Center of peculiar galaxy NGC 4438 (Arp 120) in the Virgo cluster.  Detail image is 32 arcsec across, about 10,000 lyr.  BH mass unspecified.


Images of the Center of our Galaxy, the Milky Way

90 cm radio image of the Galactic center
Chandra survey image of the Galactic Center, about 2 degrees across.  GC is inside the bright white patch at center.
20cm VLA image of the Galactic Center, about 1 degree across.
         BIMA (Berkeley-Illinois-Maryland Association) array image of the Galactic Center                 

HCN molecular gas at the Galactic Center X-ray flare at the Galactic Center

6cm VLA image of the Galactic Center
Zoom into Sagittario (Heino Falcke)
Near infrared 1.6 to 3.5 micron image


Motion of Stars at the Galactic Center

(A. Eckart, R. Genzel et al 2002)


Formation of the Milky Way (Jeffrey P. Gardner)


Simulation of Accretion on to Sagittario

Simulations by John F. Hawley, Steven A. Balbus 2002
Volume rendering of the full simulation (outer radius is at about 100 Schwarzschild radii)
Volume rendering of the inner region of the simulation
Cross-section (log density)
 
Simulations by Daniel Proga 2002
Larger scales (1000s of Schwarzschild radii)


 Black Hole silhouetted against the Milky Way Fall 2005 ASTR 2030 Homepage

syllabus | timetable | projects | homework | clicker questions | weekly summaries | books, movies | images

Updated 20 Sep 2005