Table 1
Target properties, including both stellar and system properties.
System | Distance | Spectral type | Stellar mass | Stellar radius | Super-Earth | Sub-Saturn | Ref. | Debris | Binary | ||
---|---|---|---|---|---|---|---|---|---|---|---|
(pc) | (M⊙) | (R⊙) | conf. | unconf. | conf. | unconf. | disk | system | |||
GJ 163 | 15.14 | M3.5 | 0.46 ± 0.05 | – | 2 | 2 | 3 | 2 | 1, a | – | – |
GJ 176 | 9.49 | M2.5 | 0.52 ± 0.05 | – | 1 | 0 | 1 | 1 | 2, b | – | – |
GJ 180 | 11.95 | M2 | 0.44 ± 0.05 | – | 2 | 1 | 2 | 1 | 3, ac | – | – |
BD-061339 | 20.31 | M0V | 0.65 ± 0.05 | – | 0 | 1 | 1 | 2 | 4, ad, 5, ad | – | – |
GJ 229 | 5.76 | M2 | 0.57 ± 0.05 | – | 2 | 0 | 2 | 0 | 3, ac | – | Yes |
GJ 422 | 12.68 | M3.5 | 0.42 ± 0.05 | – | 1 | 0 | 1 | 0 | 6, ac | – | – |
GJ 433 | 9.08 | M1.5 | 0.50 ± 0.05 | – | 2 | 0 | 2 | 1 | 7, a | Yes | – |
GJ 581 | 6.30 | M3 | 0.35 ± 0.05 | 0.30 ± 0.01 | 3 | 3 | 3 | 3 | 8, a | Yes | – |
Wolf 1061 | 4.31 | M3V-M4.5V | 0.35 ± 0.05 | 0.33 ± 0.01 | 2 | 1 | 2 | 1 | 9, a | – | – |
GJ 649 | 10.39 | M1.5 | 0.54 ± 0.05 | 0.54 ± 0.02 | 0 | 1 | 0 | 1 | 10, e | Yes | – |
GJ 667C | 7.24 | M1.5 | 0.35 ± 0.05 | 0.30 ± 0.02 | 2 | 5 | 2 | 5 | 11, ade | – | Yes |
GJ 674 | 4.55 | M2.5V | 0.40 ± 0.05 | – | 1 | 0 | 1 | 0 | 12, a | – | – |
GJ 682 | 5.01 | M3.5 | 0.31 ± 0.05 | – | 0 | 2 | 0 | 2 | 3, ac | – | – |
GJ 832 | 4.97 | M1.5 | 0.48 ± 0.05 | 0.50 ± 0.02 | 0 | 1 | 0 | 1 | 13, adf | – | – |
GJ 3998 | 18.18 | M1.5 | 0.55 ± 0.05 | – | 2 | 0 | 2 | 0 | 14, g | – | – |
HD 20794 | 6.04 | G8V | 0.79 ± 0.05 | – | 3 | 3 | 3 | 3 | 15, a | Yes | – |
HD 3651 | 11.11 | K0V | 0.86 ± 0.06 | – | 0 | 0 | 1 | 0 | 16, h | – | Yes |
HD 38858 | 15.21 | G2V | 0.91 ± 0.06 | – | 1 | 0 | 1 | 1 | 17, a | Yes | – |
HD 40307 | 12.93 | K2.5V | 0.71 ± 0.05 | – | 4 | 2 | 4 | 2 | 18, a | – | – |
HD 69830 | 12.58 | G8 | 0.88 ± 0.06 | 0.91 ± 0.02 | 3 | 0 | 3 | 0 | 19, a | Yes | – |
HD 85512 | 11.28 | K6V | 0.70 ± 0.05 | – | 1 | 0 | 1 | 0 | 15, a | – | – |
HD 99492 | 18.16 | K2V | 0.84 ± 0.05 | – | 0 | 0 | 1 | 0 | 20, e | – | Yes |
HD 102365 | 9.32 | G3V-G5V | 0.81 ± 0.05 | – | 0 | 1 | 0 | 1 | 21, f | – | Yes |
61 Vir | 8.53 | G7V | 0.92 ± 0.05 | – | 2 | 0 | 2 | 1 | 22, f | Yes | – |
HD 136352 | 14.74 | G2V | 0.83 ± 0.05 | – | 3 | 0 | 3 | 0 | 23, a | – | – |
HD 154088 | 18.27 | K0IV-V | 0.94 ± 0.05 | – | 1 | 0 | 1 | 0 | 24, a | – | – |
HD 189567 | 17.93 | G2V | 0.85 ± 0.05 | – | 2 | 0 | 2 | 0 | 24, a | – | – |
Notes. For each system, we indicate the presence of confirmed (“conf.”) or debated (“unconf.”) super-Earth and sub-Saturn mass planets, and if it is known to host a debris disk (see the references in Appendix A). The system is marked as binary if it is bound to a star or brown dwarf with a mass ≳20 MJup (references in Appendix A). We give the references for the first planet discovered (even if the planet was debated afterwards) for each system in the column “Ref.” and the RV instrument(s) enabling the discovery. We review the literature on the presence of additional planet(s) and their (un)confirmed status in Appendix A, with corresponding references therein. The stellar masses come from this work. The distances are taken from the Gaia Early Data Release 3, with distance uncertainties given in Appendix A.
References. Discovery papers: 1 = Bonfils et al. (2013b), 2 = Endl et al. (2008), 3 = Tuomi et al. (2014), 4 = Lo Curto et al. (2013), 5 = Arriagada et al. (2013), 6 = Feng et al. (2020), 7 = Delfosse et al. (2013), 8 = Bonfils et al. (2005), 9 = Wright et al. (2016), 10 = Johnson et al. (2010b), 11 = Anglada-Escudé et al. (2012), 12 = Bonfils et al. (2007), 13 = Wittenmyer et al. (2014), 14 = Affer et al. (2016), 15 = Pepe et al. (2011), 16 = Fischer et al. (2003), 17 = Mayor et al. (2011), 18 = Mayor et al. (2009b), 19 = Lovis et al. (2006), 20 = Marcy et al. (2005), 21 = Tinney et al. (2011), 22 = Vogt et al. (2010b), 23 = Udry et al. (2019), 24 = Unger et al. (2021). Instruments used for the discovery paper: a = ESO/HARPS, b = Hobby-Eberly Telescope (HET, Ramsey et al. 1998) with the High-Resolution Spectrograph (HRS, Tull 1998), c = Ultraviolet and Visual Echelle Spectrograph (UVES, Dekker et al. 2000), d = Magellan Clay telescope Planet Finder Spectrograph (Crane et al. 2006, Crane et al. 2008, Crane et al. 2010), e = Keck Observatory High-Resolution Echelle spectrometer (HIRES, Vogt et al. 1994), f = Anglo-Australian Telescope (AAT) with the University College London Echelle Spectrograph (UCLES, Diego et al. 1990), g = Telescopi Nazionale Galileo (TNG) HARPS-N (Cosentino et al. 2012), h = Lick Hamilton spectrometer (Vogt 1987).
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