Imaging a galaxy's molecular outflow

Go down

Imaging a galaxy's molecular outflow

Post by Dragon on Mon Mar 12, 2018 6:24 pm

A merger between galaxies can trigger can intense radiation from bursts star formation and from the accretion of gas onto the two supermassive black holes at their centers. Astronomers have observed a strong statistical correlation between the masses of these black holes and other properties of the galaxies like their velocity structure or luminosity, and have concluded that there must be a connection.

Continued...
Source

 
avatar
Dragon
Senior Administrator
Senior Administrator

Posts : 1443
Points : 2454
Join date : 2018-01-18

Back to top Go down

Re: Imaging a galaxy's molecular outflow

Post by Dragon on Mon Mar 12, 2018 6:25 pm


Credit: NASA/HST

A Hubble image of the merging galaxies NGC 6240. Like other luminous mergers, this one hosts a rapid flow of molecular gas. Astronomers have now imaged the carbon monoxide gas in the central regions and found it forms jet-like outflows driven by activity around the black holes.

Source / Image Courtesy

 
avatar
Dragon
Senior Administrator
Senior Administrator

Posts : 1443
Points : 2454
Join date : 2018-01-18

Back to top Go down

Re: Imaging a galaxy's molecular outflow

Post by Dragon on Mon Mar 12, 2018 6:26 pm



Two Milky Way-sized spiral galaxies (the NGC 6240 system) will eventually become one elliptical galaxy with a mass of 10 billion Suns harboring one mega-singularity. The merger may touch off huge gravity waves.

 
avatar
Dragon
Senior Administrator
Senior Administrator

Posts : 1443
Points : 2454
Join date : 2018-01-18

Back to top Go down

Re: Imaging a galaxy's molecular outflow

Post by Dragon on Mon Mar 12, 2018 6:27 pm



Two large galaxies are colliding and scientists have used Chandra to make a detailed study of an enormous cloud of hot gas that surrounds them.

 
avatar
Dragon
Senior Administrator
Senior Administrator

Posts : 1443
Points : 2454
Join date : 2018-01-18

Back to top Go down

Re: Imaging a galaxy's molecular outflow

Post by Dragon on Mon Mar 12, 2018 6:28 pm



This sequence begins with a wide-field optical image of the galaxy NGC 6240 and then zooms into the central region where it dissolves to a Chandra X-ray image. The colors in the X-ray image show the intensity of the low (red), medium (green) and high (blue) energy X-rays. This image then dissolves to show only the highest-energy X-rays detected by Chandra, which come from gas around the two black holes in the center of the galaxy.

 
avatar
Dragon
Senior Administrator
Senior Administrator

Posts : 1443
Points : 2454
Join date : 2018-01-18

Back to top Go down

Re: Imaging a galaxy's molecular outflow

Post by Sponsored content


Sponsored content


Back to top Go down

Back to top


 
Permissions in this forum:
You cannot reply to topics in this forum