Wednesday, June 9, 2021

HXMM01 starburst galaxy

11:04 AM | ,

1HERMES S250 J022016.5-060143 (and also known as HXMM01) is a starburst galaxy, located at a distance of around 11 billion light years in the constellation of Cetus.

The galaxy was discovered in 2013 by a team of scientists from the University of California. HXMM01 is at a stage of an ongoing merger, which is known as the most luminous and most gas-rich. The distance between the two original galaxies has been estimated at 65,000 light years.

It has a star formation rate of around 2,000 solar masses per year, which cannot be compared with the star formation rate of our Galaxy, which is estimated somewhere between 0.68-1.45.

When the process is completed the galaxy will evolve into a giant elliptical galaxy with a mass four times greater than our Milky Way.

Image: Composite image of HXMM01. The image was created using near infrared data from the Hubble Space Telescope and the Keck Telescope (blue), sub-millimetre data from the sub-millimeter array of the Smithsonian Astrophysical Observatory (red), and radio data from the Very Large Array (green). The blue color is due to emission stars, red is due to dust, while green is due to emission of molecular gas. Areas that appear white in this image are those where all three emissions were detected. Radio emission has revealed a bridge of gas that connects the two galaxies, which is a typical feature of interacting galaxies. The two large blobs on the left and right are foreground galaxies, thus they create a weak gravitational lensing effect.

Image Credit: ESA/NASA/JPL-Caltech/UC Irvine/STScI/Keck/NRAO/SAO

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