description Beta Pictoris Overview
A young A-type star in Pictor notable for a circumstellar debris disk discovered in 1984 and hosting at least two directly imaged exoplanets.
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Beta Pictoris ranks #29 of 217 in the Star ranking, behind Regulus, ahead of Fomalhaut.
Debris-disk prototype and directly imaged planets, major planetary-system benchmark.
help Beta Pictoris FAQ
What can astronomers see in the disk around Beta Pictoris?
Beta Pictoris is surrounded by a bright, edge-on debris disk containing dust produced by collisions among larger bodies. Images reveal structure in the disk, while spectroscopy has also detected infalling comet-like material.
How were Beta Pictoris b and c discovered?
Beta Pictoris b was directly imaged in the star's debris-disk system. Beta Pictoris c was first detected through radial-velocity measurements and was later imaged, making the system valuable for comparing detection methods.
How old is Beta Pictoris?
Beta Pictoris is a young A-type star, generally estimated to be around 20 million years old. It belongs to the nearby Beta Pictoris moving group, whose members share a common motion and age.
Why was the 1984 discovery of Beta Pictoris's disk significant?
The disk provided unusually clear evidence that dusty planetary systems exist around stars other than the Sun. Its edge-on orientation and relative proximity have made Beta Pictoris a long-running laboratory for studying planet formation.
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