The Tiny Dots in This Image Aren’t Stars or Galaxies. They’re Black Holes.

The image above may look like a fairly normal picture of the night sky, but what you’re looking at is a lot more special than just glittering stars. Each of those white dots is an active supermassive black hole.

https://www.sciencealert.com/the-tiny-dots-in-this-image-aren-t-stars-or-galaxies-they-re-black-holes

fsm said:

The Tiny Dots in This Image Aren’t Stars or Galaxies. They’re Black Holes.

The image above may look like a fairly normal picture of the night sky, but what you’re looking at is a lot more special than just glittering stars. Each of those white dots is an active supermassive black hole.

https://www.sciencealert.com/the-tiny-dots-in-this-image-aren-t-stars-or-galaxies-they-re-black-holes

“cool”

Nice

monkey skipper said:

fsm said:

The Tiny Dots in This Image Aren’t Stars or Galaxies. They’re Black Holes.

The image above may look like a fairly normal picture of the night sky, but what you’re looking at is a lot more special than just glittering stars. Each of those white dots is an active supermassive black hole.

https://www.sciencealert.com/the-tiny-dots-in-this-image-aren-t-stars-or-galaxies-they-re-black-holes

“cool”

> Nice

Ditto!

I hadn’t even known that LOFAR was working on BAO.

mollwollfumble said:

monkey skipper said:

fsm said:

The Tiny Dots in This Image Aren’t Stars or Galaxies. They’re Black Holes.

The image above may look like a fairly normal picture of the night sky, but what you’re looking at is a lot more special than just glittering stars. Each of those white dots is an active supermassive black hole.

https://www.sciencealert.com/the-tiny-dots-in-this-image-aren-t-stars-or-galaxies-they-re-black-holes

“cool”

> Nice

Ditto!

I hadn’t even known that LOFAR was working on BAO.

Is Charles in charge ?

This chart compares resolutions from different instruments.
The smaller the circle ther better.

This study is LoLSS.
The EMU study is from Murcheson in Western Australia,

The lower the frequency, the higher the redshift, so LoLSS sees objects that are further away than those from EMU.
But it can’t see objects that are as faint as EMU can see.

LOFAR will see: (https://www.aanda.org/articles/aa/full_html/2021/04/aa40316-21/aa40316-21.html)

• Distant galaxies and quasars
• Galaxy clusters and large-scale structure
• Radio-loud AGN
• Galaxies
• The Milky Way
• Stars and exoplanets – eg. anomalously active stars and close binaries
• Ionosphere

“In order to mitigate the consequences of poor ionospheric conditions: during each observation we simultaneously place three beams on three target fields for one hour.”

Current and planned sky coverage. The current area processed will be extended enormously.

Astrometric accuracy is about 2.5 arc seconds (which is darn good).

Extended sources, eg. multiple black holes, extended galaxies, gravitational lensing. Examples.

mollwollfumble said:

This chart compares resolutions from different instruments.
The smaller the circle ther better.

This study is LoLSS.
The EMU study is from Murcheson in Western Australia,

The lower the frequency, the higher the redshift, so LoLSS sees objects that are further away than those from EMU.
But it can’t see objects that are as faint as EMU can see.

LOFAR will see: (https://www.aanda.org/articles/aa/full_html/2021/04/aa40316-21/aa40316-21.html)

• Distant galaxies and quasars
• Galaxy clusters and large-scale structure
• Radio-loud AGN
• Galaxies
• The Milky Way
• Stars and exoplanets – eg. anomalously active stars and close binaries
• Ionosphere

“In order to mitigate the consequences of poor ionospheric conditions: during each observation we simultaneously place three beams on three target fields for one hour.”

Current and planned sky coverage. The current area processed will be extended enormously.

Astrometric accuracy is about 2.5 arc seconds (which is darn good).

Extended sources, eg. multiple black holes, extended galaxies, gravitational lensing. Examples.

Some lovely charts there thanks

fsm said:

The Tiny Dots in This Image Aren’t Stars or Galaxies. They’re Black Holes.

The image above may look like a fairly normal picture of the night sky, but what you’re looking at is a lot more special than just glittering stars. Each of those white dots is an active supermassive black hole.

https://www.sciencealert.com/the-tiny-dots-in-this-image-aren-t-stars-or-galaxies-they-re-black-holes

Then as I understand it;
if the known universe is comprised
of multitudinous black holes which gobble up
entire stars and galaxies, that should account for the
the unaccounted for missing gravitational “DARK MATTER”

~ BURP ~