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Explore Live Solar System Sky Map Kepler JWST

Explore Live Solar Kepler Webb

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WR 140 - JWST reveals 17 concentric rings of dust around a Wolf-Rayet binary — a cosmic fingerprint of stellar winds.

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JWST

WR 140

Also known as: V1687 Cygni

nebulaInfrared

Analysis

Binary Wolf-Rayet system producing concentric rings of carbon-rich dust with each 8-year orbital period.

Key Features

17 concentric dust rings
Binary orbit fingerprint
Carbon-rich dust
Wolf-Rayet wind

Fun Fact

Each ring represents one 7.94-year orbit of the binary

Observation Details

Coordinates: RA: 20h 15m 57.12s, Dec: +42° 34' 22.8"; Constellation: Cygnus
Observation Date: July 28, 2022
Instrument: MIRI; Filters: F770W, F1130W, F1800W
Distance: 5.0 thousand light years

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