hasNeutralHydrogenColumnDensity

P131821
predicate

Indicates that an entity is associated with a specific value of neutral hydrogen column density (the amount of neutral hydrogen per unit area along a line of sight).

All labels observed (1)

Label Occurrences
hasNeutralHydrogenColumnDensity canonical 2

Description generation (PDg)

The one-sentence description above was generated by prompting gpt-5.1 with the predicate name and this instruction.

Instruction
Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'
Input
Predicate: hasNeutralHydrogenColumnDensity
Generated description
Indicates that an entity is associated with a specific value of neutral hydrogen column density (the amount of neutral hydrogen per unit area along a line of sight).

Sample triples (2)

Subject Object
damped Lyman-alpha systems
surface form: damped Lyman-alpha system
> 2×10^20 atoms cm^-2
damped Lyman-alpha systems
surface form: damped Lyman-alpha system
> 10^20.3 atoms cm^-2