Table 1
HD 20329 identifiers, coordinates, stellar parameters, and magnitudes.
Identifiers | Ref. | ||
---|---|---|---|
HD | 20329 | ||
HIP | 15249 | ||
TIC | 333657795 | ||
TOI | 4524 | ||
2MASS | J03164262+1539260 | ||
Gaia EDR3 | 30398648945512960 | ||
Equatorial coordinates | |||
RA (J2000) | 03h 16m 42s.63 | 1 | |
Dec (J2000) | + 15° 39′ 26″.01 | 1 | |
µRA (mas yr−1) | 111.77 ± 0.022 | 1 | |
µDec (mas yr−1) | −202.41 ± 0.018 | 1 | |
Parallax (mas) | 15.66 ± 0.02 | 1 | |
Distance (pc) | 2 | ||
Star systemic radial velocity (km s−1) | −71.539 ± 0.005 | 6 | |
Stellar parameters | |||
Effective temperature (K) | Teff | 5596 ± 50 | 6 |
Stellar luminosity (L⊙) | L | 1.12 ± 0.006 | 6 |
Surface gravity (cm s−2) | log(g) | 4.40 ± 0.07 | 6 |
Metallicity (dex) | [Fe/H] | −0.07 ± 0.06 | 6 |
Activity index | log | −5.03 ± 0.03 | 6 |
Stellar age (Gyr) | 11 ± 2 | 6 | |
Projected stellar rotational velocity (km s−1) | v sin(i) | 3.5 ± 0.6 | 6 |
Microturbulence velocity (km s−1) | vt | 0.86 ± 0.04 | 6 |
Mass (M⊙) | M* | 0.90 ± 0.05 | 6 |
Radius (R⊙) | R* | 1.13 ± 0.02 | 6 |
Derived stellar density (g cm−3) | ρ* | 0.88 ± 0.068 | 6 |
Apparent magnitudes | |||
Gaia G (mag) | 8.600 ± 0.003 | 1 | |
B (mag) | 9.466 ± 0.017 | 3 | |
V (mag) | 8.738 ± 0.026 | 3 | |
Sloan g (mag) | 9.057 ± 0.017 | 3 | |
Sloan r (mag) | 8.573 ± 0.029 | 3 | |
Sloan i (mag) | 8.432 ± 0.022 | 3 | |
J (mag) | 7.492 ± 0.021 | 4 | |
H (mag) | 7.208 ± 0.049 | 4 | |
K (mag) | 7.116 ± 0.024 | 4 | |
WISE W1 (mag) | 7.054 ± 0.041 | 5 | |
WISE W2 (mag) | 7.105 ± 0.020 | 5 | |
WISE W3 (mag) | 7.120 ± 0.017 | 5 | |
WISE W4 (mag) | 7.111 ± 0.108 | 5 |
Notes. The parameters for HD 20329 from Gaia EDR3 did not change with the recent release of Gaia DR3 (Gaia Collaboration 2022).
Reference. (1) Gaia Collaboration (2021); (2) Bailer-Jones et al. (2018); (3) Henden et al. (2015); (4) Cutri et al. (2003); (5) Cutri et al. (2014); (6) this work.
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