Overview

Gould's Belt


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Benjamin Apthorp Gould (1824—1896)

 

'Gould's Belt' can also refer to...

Gould's Belt

The JCMT Gould Belt Survey: Understanding the influence of outflows on Gould Belt clouds

CO depletion in the Gould Belt clouds

Hierarchical star formation: stars and stellar clusters in the Gould Belt

First results from the Herschel ★ Gould Belt Survey in Taurus

The JCMT Gould Belt Survey: a first look at Southern Orion A with SCUBA-2

The link between magnetic fields and filamentary clouds: bimodal cloud orientations in the Gould Belt

The JCMT Gould Belt Survey: evidence for radiative heating and contamination in the W40 complex

The JCMT Gould Belt Survey: properties of star-forming filaments in Orion A North

The JCMT Gould Belt Survey: SCUBA-2 observations of radiative feedback in NGC 1333

The JCMT Gould Belt Survey: constraints on prestellar core properties in Orion A North

The JCMT Legacy Survey of the Gould Belt: a first look at Serpens with HARP

The JCMT Legacy Survey of the Gould Belt: a first look at Taurus with HARP

The JCMT Legacy Survey of the Gould Belt: a first look at Orion B with HARP

The JCMT and Herschel Gould Belt Surveys: a comparison of SCUBA-2 and Herschel data of dense cores in the Taurus dark cloud L1495

A census of dense cores in the Taurus L1495 cloud from the Herschel Gould Belt Survey

The James Clerk Maxwell telescope Legacy Survey of the Gould Belt: a molecular line study of the Ophiuchus molecular cloud

The JCMT Gould Belt Survey: low-mass protoplanetary discs from a SCUBA-2 census of NGC 1333

The JCMT Gould Belt Survey: evidence for radiative heating in Serpens MWC 297 and its influence on local star formation

 

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A band of hot, bright stars (types O and B) forming a circle around the sky. It represents a local structure of young stars and interstellar material tilted at about 16° to the galactic plane. Among the most prominent components of the belt are the bright stars in Orion, Canis Major, Puppis, Carina, Centaurus, and Scorpius, including the Sco–Cen Association. The belt has a diameter of about 3000 l.y. (about one-tenth the radius of the Galaxy), and the Sun lies within it. Viewed from Earth, Gould's Belt projects below the plane of our Galaxy from the lower edge of the Orion Arm, and above the plane in the opposite direction. The belt is estimated to be about 50 million years old, but its origin is unknown. It is named after B. A. Gould, who established its existence in 1879.

Subjects: Astronomy and Astrophysics.


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