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 Scientists use stellar mass to link exoplanets to planet-forming disks 5nvklj





 Scientists use stellar mass to link exoplanets to planet-forming disks 9tpt39

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Scientists use stellar mass to link exoplanets to planet-forming disks

Dragon
Dragon
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 Scientists use stellar mass to link exoplanets to planet-forming disks Empty Scientists use stellar mass to link exoplanets to planet-forming disks

Post by Dragon Thu Jun 24, 2021 3:07 am

Using data for more than 500 young stars observed with the Atacama Large Millimeter/Submillimeter Array (ALMA), scientists have uncovered a direct link between protoplanetary disk structures—the planet-forming disks that surround stars—and planet demographics.

The survey proves that higher mass stars are more likely to be surrounded by disks with "gaps" in them and that these gaps directly correlate to the high occurrence of observed giant exoplanets around such stars.

These results provide scientists with a window back through time, allowing them to predict what exoplanetary systems looked like through each stage of their formation.


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Last edited by Dragon on Thu Jun 24, 2021 3:19 am; edited 1 time in total


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 Scientists use stellar mass to link exoplanets to planet-forming disks 334pu7m
Dragon
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 Scientists use stellar mass to link exoplanets to planet-forming disks Empty Re: Scientists use stellar mass to link exoplanets to planet-forming disks

Post by Dragon Thu Jun 24, 2021 3:09 am

 Scientists use stellar mass to link exoplanets to planet-forming disks Mind-the-gap-scientist
Credit: ALMA (ESO/NAOJ/NRAO), S. Dagnello (NRAO)

Protoplanetary disks are classified into three main categories: transition, ring, or extended.

These false-color images from the Atacama Large Millimeter/submillimeter Array (ALMA) show these classifications in stark contrast.

On left: the ring disk of RU Lup is characterized by narrow gaps thought to be carved by giant planets with masses ranging between a Neptune mass and a Jupiter mass.

Middle: the transition disk of J1604.3-2130 is characterized by a large inner cavity thought to be carved by planets more massive than Jupiter, also known as Super-Jovian planets.

On right: the compact disk of Sz104 is believed not to contain giant planets, as it lacks the telltale gaps and cavities associated with the presence of giant planets.



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 Scientists use stellar mass to link exoplanets to planet-forming disks 334pu7m
Dragon
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 Scientists use stellar mass to link exoplanets to planet-forming disks Empty Re: Scientists use stellar mass to link exoplanets to planet-forming disks

Post by Dragon Thu Jun 24, 2021 3:10 am



Debris Disk Simulations Generate Spirals, Rings and Arcs


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 Scientists use stellar mass to link exoplanets to planet-forming disks 334pu7m

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