Numerical Atlas

Suggested: Y _ { i }, Y, \delta Y, Y _ { p }
Suggested: Dimensionless
Exclude
Name/Symbol Condition
Name: helium mass fraction
Mean: 0.517 ± 1.66
Median: 0.247
Range: 0.01 ‒ 10
35 results.
Download Data (CSV)
arXiv Name Symbol Parsed Bound
astro-ph/9905345 🔍 (source) helium mass fraction Y
0.246 ± 0.004
astro-ph/0110004 🔍 (source) helium mass fraction Y _ { i }
0.243
astro-ph/0112348 🔍 (source) primordial ^ { 4 } Helium mass fraction Y _ { p }
0.2443 ± 0.0015
astro-ph/0206283 🔍 (source) helium mass fraction Y _ { i }
0.3 ± 0.008
astro-ph/0306167 🔍 (source) helium mass fractions
0.246 ± 0.003
astro-ph/0306167 🔍 (source) helium mass fractions Y
0.243 ± 0.01
astro-ph/0309148 🔍 (source) helium mass fraction Y _ { i }
0.301
astro-ph/0401606 🔍 (source) helium mass fraction Y _ { i }
0.275 ± 0.01
astro-ph/0403417 🔍 (source) helium mass fraction m _ { X }
10.0 MeV
 Upper
astro-ph/0408392 🔍 (source) primordial helium mass fraction Y _ { p }
0.244
astro-ph/0408393 🔍 (source) helium mass fractions Y
0.248 ± 0.009
astro-ph/0501270 🔍 (source) helium mass fraction Y _ { i }
0.29 ± 0.01
astro-ph/0503157 🔍 (source) helium mass fraction
0.02
astro-ph/0503157 🔍 (source) helium mass fraction
0.01
astro-ph/0505347 🔍 (source) helium mass fraction of these stars Y
0.4
astro-ph/0702072 🔍 (source) primordial helium mass fraction Y _ { p }
0.2472 ± 0.0012
0802.3576 🔍 (source) helium mass fraction Y _ { i }
0.266 ± 0.015
0804.2971 🔍 (source) helium mass fraction Y _ { p }
0.2486 ± 0.0085
0909.2668 🔍 (source) surface helium mass fraction Y _ { surf }
0.231
1001.4635 🔍 (source) primordial helium mass fraction Y _ { He }
0.28 +0.14-0.15
1004.3426 🔍 (source) helium mass fraction \delta Y
0.07
1004.5024 🔍 (source) helium mass fraction
0.3
 Lower
1205.4071 🔍 (source) helium mass fraction Y
0.3 ± 0.01
1302.4691 🔍 (source) helium mass fraction
0.245
1305.0277 🔍 (source) helium mass fraction
0.2509 +0.0184-0.0123
1305.0277 🔍 (source) helium mass fraction
0.2483 ± 0.0002
1504.01878 🔍 (source) helium mass fraction
0.8
1610.08264 🔍 (source) helium mass fraction Y \buildrel > \over {
0.35
1706.05454 🔍 (source) helium mass fraction \Delta Y _ { 0 }
0.03
1901.01273 🔍 (source) helium mass fraction Y _ { e }
0.39 ± 0.010000000000000009
1902.02178 🔍 (source) helium mass fraction \delta Y
0.01
1902.02178 🔍 (source) helium mass fraction \delta Y
0.06
1902.02178 🔍 (source) helium mass fraction \delta Y
0.19
1902.03803 🔍 (source) helium mass fraction \Delta Y
0.013 ± 0.002
2005.12290 🔍 (source) primordial helium mass fraction Y _ { P }
0.2436 +0.0039-0.004