Top
Numerical Atlas
Name
Case-insensitive
Case-sensitive
Suggested:
optical extinction
Symbol
Unit
Suggested:
A
Lower Bound
Upper Bound
Exclude
Without Uncertainties
With Uncertainties
Constraints
arXiv ID
Name/Symbol Condition
OR
AND
Submit Query
Reset
Clear
Symbol: N _ { H } ( cm ^ { -2 } )
Mean: 2.51 ± 0.424
Median: 2.51
Range: 2.21 ‒ 2.81
2 results.
Download Data (CSV)
arXiv
Name
Symbol
Parsed
Bound
0903.2057
🔍
(source)
optical extinction
N _ { H } ( cm ^ { -2 } )
2.21e+21 ± 9e+19 A
1507.03994
🔍
(source)
N _ { H } ( cm ^ { -2 } )
2.81e+21 ± 1.3e+20 A