Open Access

Table A.1

List of chemical species reported as detected (green), tentatively detected (orange), or not detected (red) in previous publications and this work. For each species has been indicated the instrument used and the corresponding reference for the study of its presence in the atmosphere. Empty cells indicate that the species has not been explicitly included in a published study with the corresponding instrument.

Space-based observations Ground-based observations
HST Spitzer ESPRESSO GRACES HARPS Subaru/HDS MAROON-X CARMENES CRIRES+ SPIRou
Atoms H 8, 14, 15 4 20 12
He 12
Li 8, 14, 15 18 20 12
O 14 18 20
Na 5 8, 14, 15 22 18 3, 4 16 20 12
Mg 8, 14, 15, 22 18 20
Al 14 18 20
K 8 14 18 20 12
Ca 9 22 14, 15 18 20
Sc 14 18 20
Ti 9 8, 14, 22 18 20
V 14, 15, 22 18 20
Cr 14, 15, 22 8 18 20
Mn 8, 14, 15, 22 18 20
Fe 9 7, 8, 14, 15, 17, 22 18 10 20
Co 14 15 18
Ni 9 14, 22 8, 15 18 20
Zr 14 18
Ions Ca+ 9 8, 14, 15 11, 18 20 12
Sc+ 14 18
Ti+ 14 18 20
V+ 14 20
Fe+ 9 15, 18 20
Sr+ 14 15 18
Ba+ 15 18 20
Molecules CH4 1, 6 19
OH 13,24 25
NH3 1,2 19
H2O 1, 2, 6, 23 18 19 21 25
C2H2 25
HCN 2 19 25
CO 1, 6 9 18 19 21 25
AlO 20
CO2 1,6 19
SiO 9
CrH 20
FeH 6
TiO 1,6 6 8, 22 20
VO 1 6 8 20
ZrO 8

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