quasar absorption line system
C40745
concept
A quasar absorption line system is a collection of gas along the line of sight to a distant quasar that imprints characteristic absorption features on the quasar’s spectrum, revealing the physical and chemical properties of intervening cosmic structures.
Instances (1)
| Instance | Via concept surface |
|---|---|
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damped Lyman-alpha systems
surface form:
damped Lyman-alpha system
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