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Table 1
Abundance offsets of small- and large-planet hosts.
| Element abundance | t-test p value | ΔMean (dex) | Host star sample size |
|---|---|---|---|
| [C/Fe]† | 0.594046 | 0.02 | 104 |
| [N/Fe]† | 0.001409 | 0.26 | 104 |
| [O/Fe] | 0.059510 | 0.11 | 104 |
| [Na/Fe] | 0.000973 | 0.06 | 104 |
| [Mg/Fe] | 0.000051 | −0.07 | 104 |
| [Al/Fe] | 0.184435 | 0.03 | 97 |
| [Si/Fe] | 0.002423 | −0.04 | 99 |
| [K/Fe] | 0.893489 | −0.01 | 104 |
| [Ca/Fe] | 0.013277 | −0.04 | 104 |
| [Sc/Fe] | 0.049160 | −0.03 | 104 |
| [Ti/Fe] | 0.009402 | −0.05 | 90 |
| [V/Fe] | 0.355588 | −0.03 | 97 |
| [Cr/Fe] | 0.619519 | −0.01 | 104 |
| [Mn/Fe] | 0.166730 | 0.03 | 104 |
| [Fe/H] | 0.000016 | 0.15 | 104 |
| [Co/Fe] | 0.049424 | −0.03 | 98 |
| [Ni/Fe] | 0.010570 | 0.03 | 104 |
| [Cu/Fe] | 0.047317 | 0.04 | 103 |
| [Zn/Fe] | 0.254753 | −0.02 | 99 |
| [Rb/Fe] | 0.054183 | −0.04 | 17 |
| [Sr/Fe] | 0.517829 | −0.10 | 5 |
| [Y/Fe] | 0.835709 | −0.02 | 83 |
| [Zr/Fe] | 0.186629 | −0.10 | 22 |
| [Ru/Fe] | 0.315930 | −0.20 | 4 |
| [Ba/Fe] | 0.264789 | −0.03 | 104 |
| [La/Fe] | 0.048538 | 0.11 | 16 |
| [Ce/Fe] | 0.162651 | −0.11 | 9 |
| [Nd/Fe] | 0.063066 | 0.07 | 41 |
| [Sm/Fe] | 0.080839 | 0.20 | 7 |
Notes. The elements are ordered by increasing atomic number. (†)Abundances of C and N are affected by lower reliability owing to flagged measurements in GALAH DR4 (see Sect. 2.3). The corresponding results should therefore be interpreted with caution.
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