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Numerical Atlas
Name
Case-insensitive
Case-sensitive
Suggested:
helium abundance
,
amount
,
He content
,
He abundance
Symbol
Unit
Suggested:
Dimensionless
Lower Bound
Upper Bound
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Constraints
arXiv ID
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Symbol: \Delta Y
Mean: 0.103 ± 0.221
Median: 0.04
Range: 0.01 ‒ 1.5
48 results.
Download Data (CSV)
arXiv
Name
Symbol
Parsed
Bound
astro-ph/0105497
🔍
(source)
\Delta Y
0.013
astro-ph/0304152
🔍
(source)
helium abundance
\Delta Y
0.0107
astro-ph/0512385
🔍
(source)
helium abundance
\Delta Y
0.12
astro-ph/0703094
🔍
(source)
He content
\Delta Y
0.2
astro-ph/0703094
🔍
(source)
metallicity
\Delta Y
0.2
astro-ph/0703094
🔍
(source)
\Delta Y
0.1
0809.1782
🔍
(source)
\Delta Y
0.05
Upper
0912.3150
🔍
(source)
helium uniformity
\Delta Y
0.02
1003.5942
🔍
(source)
helium enhancement
\Delta Y
0.04
1006.2024
🔍
(source)
helium abundance
\Delta Y
0.027
1008.4478
🔍
(source)
\Delta Y
0.4
Upper
1008.4478
🔍
(source)
helium abundances
\Delta Y
0.24
Lower
1012.0477
🔍
(source)
He content
\Delta Y
0.01 ± 0.06
1105.0346
🔍
(source)
He abundance
\Delta Y
0.17
Lower
1105.0916
🔍
(source)
amount
\Delta Y
1.5
1109.2118
🔍
(source)
helium abundance
\Delta Y
0.06
1110.1077
🔍
(source)
helium abundance
\Delta Y
0.01
1112.1072
🔍
(source)
\Delta Y
0.11
1201.3241
🔍
(source)
\Delta Y
0.04
1210.4069
🔍
(source)
He abundance
\Delta Y
0.03
Upper
1301.7044
🔍
(source)
helium abundance
\Delta Y
0.03
1301.7044
🔍
(source)
\Delta Y
0.01
1307.5860
🔍
(source)
abundance
\Delta Y
0.17
Lower
1310.4499
🔍
(source)
amount
\Delta Y
0.19
1310.4527
🔍
(source)
primordial He content
\Delta Y
0.09 ± 0.01
1312.1513
🔍
(source)
\Delta Y
0.01
Upper
1408.5936
🔍
(source)
\Delta Y
0.05
1408.5936
🔍
(source)
\Delta Y
0.1
Lower
1410.7503
🔍
(source)
\Delta Y
0.02
1411.5043
🔍
(source)
\Delta Y
0.07 dex
1503.00726
🔍
(source)
\Delta Y
0.03
Upper
1504.07876
🔍
(source)
\Delta Y
0.029 ± 0.006
1505.05934
🔍
(source)
\Delta Y
0.13
1601.06747
🔍
(source)
\Delta Y
0.01
1601.06747
🔍
(source)
temperature
\Delta Y
0.02
1609.01595
🔍
(source)
\Delta Y
0.025 ± 0.005
1611.01151
🔍
(source)
helium abundance
\Delta Y
0.012
1706.07969
🔍
(source)
helium abundance
\Delta Y
0.028 ± 0.016
1801.03395
🔍
(source)
average helium enhancement
\Delta Y
0.011 ± 0.002
1801.10475
🔍
(source)
He mass fraction differences
\Delta Y
0.02
1902.01416
🔍
(source)
mean difference
\Delta Y
0.05
1902.01416
🔍
(source)
\Delta Y
0.13
1902.03803
🔍
(source)
helium mass fraction
\Delta Y
0.013 ± 0.002
1908.06670
🔍
(source)
helium abundance
\Delta Y
0.012 ± 0.012
2001.00679
🔍
(source)
helium abundance
\Delta Y
0.05 ± 0.020000000000000004
2004.09415
🔍
(source)
abundances
\Delta Y
0.15 ± 0.04
2005.06488
🔍
(source)
\Delta Y
0.12
2005.12352
🔍
(source)
He abundance variations
\Delta Y
0.03