Table 1
Basic parameters for 2M1115 from the literature and this work.
Parameter | Value | Reference |
---|---|---|
Measured | ||
ICRS RA (α, ep=2016.0) | 168.816234° | 1 |
ICRS Dec (δ, ep=2016.0) | + 19.623939° | 1 |
Parallax (mas) | 22.12 ± 1.07 | 1 |
µα* = µα cos(δ) (mas yr−1) | −69.53 ± 1.32 | 1 |
µδ (masyr−1) | −25.21 ± 1.48 | 1 |
G (mag) | 20.41 ± 0.02 | 1 |
J (mag) | 15.59 ± 0.06 | 2 |
H (mag) | 14.57 ± 0.06 | 2 |
KS (mag) | 13.80 ± 0.05 | 2 |
W1 (ALLWISE) (mag) | 13.09 ± 0.02 | 3 |
W2 (ALLWISE) (mag) | 12.55 ± 0.03 | 3 |
W3 (ALLWISE) (mag) | 10.77 ± 0.12 | 3 |
W4 (ALLWISE) (mag) | >8.68 | 3 |
Derived | ||
Distance (pc) | 45.21 ± 2.20 | 1 |
Spectral type | L2γ ± 1 | 4 |
Radial velocity, RV (km s−1) | −14±7 | 4 |
Age (Myr) | 5–15 | 4 |
Mass, Mp (MJup) | 7–21(a) | 4 |
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5 | |
Radius, Rp (RJup) | 1.5 ± 0.1 | 5 |
Temperature, Teff (K) | 1816 ± 63 | 5 |
Luminosity, log(Lbol /L⊙) | −3.63 ± 0.05 | 5 |
Notes. (a)The mass estimate from Theissen et al. (2018) depends on their photometric distance estimate for the target, dphot = 37 ± 6 pc (but see Section 5). (1) Gaia Collaboration (2023); (2) Cutri et al. (2003); (3) Cutri et al. (2021); (4) Theissen et al. (2018); (5) this work.
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