No TiO detected in the hot-Neptune-desert planet LTT-9779 b in reflected light at high spectral resolution

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Table 1

Summary of the LTT-9779 system.

LTT-9779	Value	Ref.
Mass (M_⊙)	${1.02}_{- 0.02}^{+ 0.02}$ $1.02^{+0.02}_{-0.02}$	1
Temperature (K)	5443-14	1
Age (Gyr)	${2.0}_{- 0.9}^{+ 1.3}$ $2.0^{+1.3}_{-0.9}$	1
Stellar type	G7 V	1
Magnitude V band	9.79	2
v sin(i) (km s⁻¹)	${1.81}_{- 0.07}^{+ 0.06}]$ $1.81^{+0.06}_{-0.07}$	1
Rotation period (day)	45	1
LTT-9779 b	Value	Ref.
Orbital period (days)	0.79206410 ± 0.00000014	3
Semi-major axis (au)	${0.01679}_{- 0.00012}^{+ 0.00014}$ $0.01679^{+0.00014}_{-0.00012}$	1
Mass (M_jup)	${0.09225}_{- 0.00255}^{+ 0.00245}$ $0.09225^{+0.00245}_{-0.00255}$	1
Mass (M_⊕)	${29.32}_{- 0.81}^{+ 0.78}$ $29.32^{+0.78}_{-0.81}$	1
Radius (R_jup)	0.421 ± 0.021	1
Radius (R_⊕)	4.72 ± 0.23	1
Effective temperature (K)	1978 ± 19	1

Notes. (1) Jenkins et al. (2020); (2) Høg et al. (2000); (3) Edwards et al. (2023).

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