Lone black hole passes in front of star (ground-based view)
Two images of a crowded starfield as seen through a ground-based telescope show the subtle brightening of a star due to the effect of gravitational microlensing, where an invisible but massive foreground object passes in front of the star and amplifies its light.
Credit:NOAO, Cerro Tololo Inter-American Observatory
About the Image
About the Object
| Name: | Black Holes, Milky Way |
| Type: | Milky Way : Cosmology : Phenomenon : Lensing |
| Constellation: | Sagittarius |
| Category: | Cosmology Quasars and Black Holes |
Coordinates
| Position (RA): | 18 5 2.47 |
| Position (Dec): | -27° 42' 17.01" |
| Field of view: | 0.45 x 0.45 arcminutes |
| Orientation: | North is -0.0° left of vertical |
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