Top
Numerical Atlas
Name
Case-insensitive
Case-sensitive
Suggested:
column density of hydrogen
Symbol
Unit
Suggested:
Dimensionless
Lower Bound
Upper Bound
Exclude
Without Uncertainties
With Uncertainties
Constraints
arXiv ID
Name/Symbol Condition
OR
AND
Submit Query
Reset
Clear
Symbol: \log ( N _ { \scriptsize H \tiny I } / cm ^ { -2 } )
Mean: 20.6
Median: 20.6
1 results.
Download Data (CSV)
arXiv
Name
Symbol
Parsed
Bound
1304.4231
🔍
(source)
column density of hydrogen
\log ( N _ { \scriptsize H \tiny I } / cm ^ { -2 } )
20.65 ± 0.05