Numerical Atlas

Name

Symbol

Suggested: \Delta Y / \Delta Z, He / H, \Delta Y / \Delta Z ), [ Fe / H ], Y

Unit

Suggested: Dimensionless

Lower Bound

Upper Bound

Exclude

Without Uncertainties

With Uncertainties

Constraints

arXiv ID

Name/Symbol Condition

AND

Name: helium enrichment

Mean: 10.3 ± 24.2

Median: 1.62

Range: 0.25 ‒ 70

8 results.

arXiv	Name	Symbol	Parsed	Bound
astro-ph/0104461 🔍 (source)	helium enrichment	He / H	0.25
astro-ph/0110264 🔍 (source)	helium enrichment of ejecta	He / H	0.5
astro-ph/0312554 🔍 (source)	Galactic helium enrichment ratio	\Delta Y / \Delta Z )	1.25 ± 1.25
astro-ph/0703198 🔍 (source)	helium enrichment parameter	\Delta Y / \Delta Z	2.0
0804.1598 🔍 (source)	helium enrichment parameter	\Delta Y / \Delta Z	70.0
1011.4293 🔍 (source)	helium enrichment parameter	\Delta Y / \Delta Z	4.0	Lower
1011.4293 🔍 (source)	helium enrichment parameter	Y	4.0	Lower
1112.1072 🔍 (source)	helium enrichment	[ Fe / H ]	0.3