Black Hole silhouetted against the Milky Way Spring 2019 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

Radio (90 cm)
90 cm radio image of the Galactic center

Radio (20 cm)
20cm VLA image of the Galactic Center, about 1 degree across. 20cm close up of the Galactic Center

Radio (6 cm)
6cm VLA image of the Galactic Center


Motion of Stars at the Galactic Center

Ghez et al (2017) Schodel et al (2002) Gravity collaboration (2021)
Interior mass as a function of distance from Sgr A* Interior mass as a function of distance from Sgr A* (2021)
How adaptive optics affects images of the Galactic center


Flaring of Sagittario (Ghez et al)

Flaring of Sagittario


Evidence for a jet from Sagittario (Li et al 2013)

A jet from Sagittario?


 Black Hole silhouetted against the Milky Way Spring 2019 ASTR 2030 Homepage

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

Updated 2022 Jan 14