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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c 5nvklj





ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c 9tpt39

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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c

Dragon
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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c Empty ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c

Post by Dragon Fri Jul 23, 2021 3:20 am

Astronomers using the Atacama Large Millimetre/submillimeter Array (ALMA) have detected a circumplanetary disk — a ring-shaped area where moons and other satellites may form — around a protoplanet in the PDS 70 system.

PDS 70 is a K7-type star located 370 light-years away in the constellation of Centaurus.

Also known as V* V1032 Cen and IRAS 14050-4109, the star is only 5.4 million years old.


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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c 334pu7m
Dragon
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Post by Dragon Fri Jul 23, 2021 3:22 am

ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c Image_9889_1-PDS-70c
Image credit: ALMA / ESO / NAOJ / NRAO / Benisty et al.

This ALMA image shows a close-up view on the circumplanetary disk surrounding PDS 70c.

It hosts two protoplanets and a huge circumstellar disk of dust and gas in which a large region from 20 to 40 AU is cleared of dust.

The inner planet, PDS 70b, is located within the disk gap at a distance of about 22 AU from the star, similar to the orbit of Uranus in our Solar System.


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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c 334pu7m
Dragon
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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c Empty Re: ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c

Post by Dragon Fri Jul 23, 2021 3:24 am

ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c Image_9889_2-PDS-70c
Image credit: ALMA / ESO / NAOJ / NRAO / Benisty et al.

This ALMA image shows the PDS 70 planetary system.

The system features a star at its center and at least two planets orbiting it, PDS 70b (not visible in the image) and PDS 70c, surrounded by a circumplanetary disk (the dot to the right of the star).

The outer planet, PDS 70c, is located near the outer edge of the disk gap at 34 AU from the star, similar to Neptune’s distance from our Sun.


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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c 334pu7m
Dragon
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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c Empty Re: ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c

Post by Dragon Fri Jul 23, 2021 3:24 am



Peeking at a Distant Moon-Forming Disc


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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c 334pu7m
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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c Empty Re: ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c

Post by Dragon Fri Jul 23, 2021 3:27 am



Zooming in on the orange dwarf star PDS 70 and its newly discovered planet

This sequence takes the viewer towards the southern constellation of Centaurus.

We zoom in on the orange dwarf star PDS 70.

The final shot shows the spectacular new image of the planet PDS 70b cleaving a path through the planet-forming material surrounding the young star.


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ALMA Detects Circumplanetary Disk around Young Exoplanet PDS 70c 334pu7m

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