HI survey
C29552
concept
A HI survey is an astronomical observational program designed to systematically map and measure the distribution and properties of neutral hydrogen (HI) gas, typically via its 21-cm emission line, across selected regions of the sky or specific cosmic structures.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HI survey canonical | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: HI survey
Generated description
A HI survey is an astronomical observational program designed to systematically map and measure the distribution and properties of neutral hydrogen (HI) gas, typically via its 21-cm emission line, across selected regions of the sky or specific cosmic structures.
Instances (1)
| Instance | Via concept surface |
|---|---|
| Arecibo L-band Feed Array survey | — |