RT4 stellar group (192 stars)

$4400<T<5200\text{K},R_s<2R_{\odot }$

$\text{Bias}>0,R>0.12\text{and}N>10$

10⁴ × bias

R

SD

N

1

Li

16.80

0.262

0.813

57

2

N

6.72

0.295

0.252

53

Fe-Ni endothermic level

3

Zr

1.82

0.120

0.213

171

Lanthanides

4

Eu

4.23

0.305

0.200

65