Table 4
Stellar parameters for the Sun and four benchmark stars used to develop our methodology.
Recommended | This study | |||||||||||
ID1 | ID2 | RA | Dec | T eff,r | log gr | [Fe/H]r | vsinir | Ref. | T eff,p | log gp | [Fe/H]p | vsinip |
(“hh:mm:ss”) | (“dd:mm:ss”) | (K) | (cm s-2) | (km s-1) | (K) | (cm s-2) | (km s-1) | |||||
|
||||||||||||
Sun | 5777 | 4.44 | 0.00 | 1.6 | m | 5793 | 4.44 | 0.06 | 1.7 | |||
β Hyi | HIP 2021 | 00 25 45.070 | –77 15 15.29 | 5873 | 3.98 | –0.09 | 3.3 | a, n, b, r, p/yy | 5890 | 4.03 | –0.02 | 1.5 |
ϵ Eri | HIP 16537 | 03 32 55.845 | –09 27 29.73 | 5050 | 4.60 | –0.07 | 2.4 | a, d, c, v, p/yy | 5143 | 4.69 | –0.05 | 2.4 |
Procyon | HIP 37279 | 07 39 18.119 | +05 13 29.96 | 6545 | 3.99 | 0.00 | 2.8 | a, e, g, p/yy | 6640 | 4.07 | 0.02 | 4.7 |
18 Sco | HIP 79672 | 16 15 37.269 | –08 22 09.99 | 5747 | 4.43 | 0.02 | 2.2 | a, k, h, s, p/yy | 5878 | 4.52 | 0.13 | 2.0 |
Notes. The first to fourth columns give two identifications and equatorial coordinates. The recommended values of metallicity, effective temperature, surface gravity, and rotation velocity are listed in Cols. 5 to 8, while our results are shown in Cols. 10 to 13. Flag a and m indicates reference Jofre et al. (2014a) and Pavlenko et al. (2012). Flags n, d, e, and k indicate that the data of angular diameters come from references North et al. (2007), Di Folco et al. (2004), Aufdenberg et al. (2005), and Kervella et al. (2004). Flags b, c, and h indicate that the data of bolometric fluxes are collected from Blackwell & Lynas-Gray (1998), Alonso et al. (1996a), and Alonso et al. (1995). Flags r, v, g, and s indicate that rotation velocities are selected from Reiners & Schmitt (2003), Valenti & Fischer (2005), Bruntt et al. (2010), and Saar & Osten (1997). p/yy means that average of two masses which are from Padova (Bertelli et al. 2008) and Yonsei-Yale (Yi et al. 2003; Demarque et al. 2004) stellar evolutionary tracks using direct Teff and luminosity.
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