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Table 3

Detectability of the exoplanets within 20 pc with the notional HWO mission in reflected starlight and LIFE in emitted light, computed with the methods in Sect. 2.

Planet d (pc) a (AU) Rp (R⊕) Mp (M⊕) Teq (K) Notional HWO Paccess (%) LIFE (4 × 1 m) LIFE (4 × 2 m) LIFE (4 × 3.5 m)
S /N (10 h) tint (h) S/N (10 h) tint (h) S/N (10 h) tint (h)
tau Cet h 3.60 0.24 1.35 2.54 417 100.0 41 0.3 107 0.04 219 0.01
tau Cet f 3.60 1.32 1.91 4.77 175 100.0 – – 7 11 18 2
tau Cet e 3.60 0.54 1.91 4.77 278 100.0 25 0.8 77 0.08 174 0.02
HD 20794 d 6.00 0.35 1.91 4.77 364 100.0 26 0.7 73 0.09 156 0.02
HD 20794 e 6.00 0.51 2.24 5.72 311 100.0 23 1.0 69 0.1 153 0.02
GJ 514 b 7.62 0.42 2.35 6.04 188 99.8 – – 7 10 23 0.9
Kapteyn c 3.93 0.32 2.80 8.26 142 100.0 – – 8 7 29 0.6
HD 40307 g 12.94 0.60 2.80 8.90 230 32.2 3 68 11 4 31 0.5
GJ 887 c 3.29 0.12 2.91 8.90 331 45.7 155 0.02 488 0.002 1132 0.0004
Wolf 1061 d 4.31 0.47 2.91 8.90 134 100.0 – – 4 29 15 2
GJ 229 A c 5.76 0.38 3.14 9.85 191 100.0 6 13 26 0.7 82 0.07
HD 219134 g 6.53 0.38 3.59 12.71 292 100.0 42 0.3 138 0.03 329 0.005
HD 180617 b 5.91 0.34 3.92 13.98 174 100.0 5 20 22 1 69 0.1
GJ 876 e 4.68 0.33 3.92 14.62 129 100.0 – – 5 21 18 2
HD 102365 b 9.29 0.46 4.60 18.43 355 87.6 69 0.1 214 0.01 485 0.002
HD 69830 d 12.56 0.63 5.04 20.66 266 100.0 16 2 60 0.1 160 0.02
61 Vir d 8.50 0.48 5.83 26.70 350 100.0 119 0.03 369 0.004 842 0.0007
HD 192310 c 8.80 1.18 6.05 28.92 187 100.0 7 9 31 0.5 92 0.06
GJ 414 A c 11.89 1.39 8.86 63.56 120 100.0 – – 2 83 9 6
55 Cnc f 12.58 0.77 9.19 54.66 238 100.0 30 0.6 115 0.04 319 0.005
HD 3765 b 17.93 2.11 10.09 64.20 138 100.0 – – 4 32 14 3
pi Men b 18.27 3.31 11.77 3866.24 193 100.0 8 9 33 0.5 105 0.04
HD 160691 e 15.60 0.93 12.11 2224.72 316 100.0 126 0.03 421 0.003 1011 0.0005
14 Her b 17.93 2.77 12.11 2665.84 139 100.0 – – 7 11 24 0.9
HD 87883 b 18.29 4.04 12.33 1677.75 130 100.0 – – 3 75 10 5
ups And d 13.41 2.51 12.33 1533.15 211 100.0 26 0.7 97 0.05 255 0.008
HD 160691 b 15.60 1.52 12.44 1366.61 245 100.0 44 0.3 166 0.02 436 0.003
HD 128311 c 16.33 1.74 12.44 1293.20 138 100.0 – – 7 10 24 0.8
HD 160691 c 15.60 5.10 12.44 1398.39 134 100.0 – – 5 24 16 2
HD 128311 b 16.33 1.08 12.55 1124.43 181 100.0 8 7 36 0.4 118 0.04
47 UMa b 13.79 2.10 12.67 918.49 184 100.0 13 3 54 0.2 155 0.02
HR 810 b 17.32 0.92 12.67 850.48 286 100.0 81 0.08 282 0.006 702 0.001
HD 62509 b 10.34 1.64 12.67 871.45 474 100.0 144 0.02 334 0.004 654 0.001
gam Cep b 14.10 2.05 12.78 682.99 314 100.0 87 0.06 229 0.009 477 0.002
ups And c 13.41 0.83 12.78 729.39 363 100.0 255 0.008 742 0.0009 1600 0.0002
GJ 896 A b 6.26 0.64 12.89 721.76 115 100.0 3 77 13 3 51 0.2
HD 190360 b 16.01 3.89 13.00 573.66 133 100.0 – – 5 20 19 1
HD 27442 b 18.27 1.27 13.00 578.74 319 100.0 84 0.07 246 0.008 539 0.002
7 CMa b 19.81 1.77 13.00 588.28 333 100.0 65 0.1 180 0.02 380 0.003
HD 147513 b 12.90 1.32 13.11 439.86 218 100.0 38 0.3 150 0.02 416 0.003
HD 10647 b 17.34 2.01 13.23 343.56 193 100.0 13 3 54 0.2 156 0.02
7 CMa c 19.81 2.12 13.45 277.45 305 100.0 55 0.2 158 0.02 344 0.004
bet Pic c 19.75 2.72 13.45 2610.86 302 100.0 73 0.09 214 0.01 466 0.002
47 UMa c 13.79 3.60 13.67 199.91 141 100.0 2 93 11 4 40 0.3
eps Eri b 3.20 3.53 13.67 214.84 97 100.0 – – 9 7 30 0.6
HD 113538 b 16.28 1.24 13.90 130.94 122 100.0 – – 4 31 15 2
HD 219134 h 6.53 3.11 14.01 124.90 102 100.0 – – 5 19 18 2
GJ 649 b 10.38 1.13 14.01 120.45 107 100.0 – – 4 35 14 2
bet Pic b 19.75 10.02 18.49 3175.94 132 100.0 – – 6 12 19 1

Notes. For HWO, we include only planets with Paccess > 25%. For LIFE, we list both the tint required to achieve a detection (i.e. S/N = 7) as well as the S/N achieved in 10 h. Integration times longer than 100 h are not shown.

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