Trapezium Cluster
E459022
The Trapezium Cluster is a compact group of young, massive stars in the heart of the Orion Nebula that illuminates and shapes the surrounding star-forming region.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
asterism
ⓘ
open star cluster ⓘ young stellar cluster ⓘ |
| age |
about 1 million years
ⓘ
less than 3 million years ⓘ |
| angularSize | about 20 arcseconds ⓘ |
| apparentMagnitudeV | about 4.0 ⓘ |
| bestSeenIn | small to medium telescopes ⓘ |
| brightestStar | Theta1 Orionis C NERFINISHED ⓘ |
| catalogDesignation | Theta1 Orionis cluster NERFINISHED ⓘ |
| contains |
T Tauri stars
NERFINISHED
ⓘ
brown dwarfs ⓘ massive B-type stars ⓘ massive O-type stars ⓘ multiple stellar systems ⓘ pre-main-sequence stars ⓘ protoplanetary disks ⓘ |
| declination | −05° 23′ ⓘ |
| discoveredBy | Galileo Galilei NERFINISHED ⓘ |
| discoveryYear | 1617 ⓘ |
| distanceFromEarth |
about 1,300 light-years
ⓘ
about 400 parsecs ⓘ |
| hasMember |
Theta1 Orionis A
NERFINISHED
ⓘ
Theta1 Orionis B NERFINISHED ⓘ Theta1 Orionis C NERFINISHED ⓘ Theta1 Orionis D NERFINISHED ⓘ Theta1 Orionis E NERFINISHED ⓘ |
| hasProperty |
significant nebular extinction
ⓘ
strong stellar winds ⓘ strong ultraviolet radiation field ⓘ very high stellar density ⓘ |
| locatedIn |
Messier 42
NERFINISHED
ⓘ
Milky Way ⓘ Orion Nebula NERFINISHED ⓘ constellation Orion NERFINISHED ⓘ |
| nearbyObject |
Orion Bar
NERFINISHED
ⓘ
Orion Nebula proplyds NERFINISHED ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ |
| partOf | Orion Molecular Cloud Complex NERFINISHED ⓘ |
| rightAscension | 05h 35m ⓘ |
| roleInRegion |
dominant ionizing source of the Orion Nebula
ⓘ
illuminates the Orion Nebula ⓘ shapes surrounding star-forming gas ⓘ |
| studiedFor |
initial mass function in young clusters
ⓘ
massive star formation ⓘ protoplanetary disk evolution ⓘ |
| visibleFrom | both hemispheres ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.