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Table 1

Target sample and properties.

HIP HD HR α δ Distance Sp. type Age Age ref. MG/assoc. B − V V H Ks IR excess IR excess ref. Binary
(J2000.0) (J2000.0) (pc) (Myr) (mag) (mag) (mag) (mag)
Observed targets
7345 9672 451 01 34 37.8 −15 40 34.9 59.4 A1V 20 1 0.07 5.62 5.53 5.46 yes 1
10670 14055 664 02 17 18.9 +33 50 49.9 34.4 A1V 100 1 0.02 4.03 3.86 3.96 yes 1
11360 15115 ... 02 26 16.2 +06 17 33.2 45.2 F2 12 2 β Pictoris 0.40 6.79 5.86 5.98 yes 1
12413 16754 789 02 39 48.0 −42 53 30.0 35.7 A1V 30 3 Tuc-Hor 0.06 4.74 4.62 4.46
13141 17848 852 02 49 01.5 −62 48 23.5 50.5 A2V 100 1 0.10 5.25 5.16 4.97
14551 19545 943 03 07 50.8 −27 49 52.1 54.6 A5V 30 3 Tuc-Hor 0.17 6.18 5.85 5.77
15648 20677 1002 03 21 26.6 +43 19 46.7 46.2 A3V 125 11 0.05 4.96 4.86 4.78
16449 21997 1082 03 31 53.6 −25 36 50.9 71.9 A3IV/V 30 3 Tuc-Hor 0.12 6.38 6.12 6.10 yes 1
22192 30422 1525 04 46 25.8 −28 05 14.8 56.2 A3 125 11 0.19 6.18 5.73 5.72 yes 4
22226 30447 ... 04 46 49.5 −26 18 08.8 80.3 F3V 30 2 Columba 0.39 7.85 6.95 6.89
23296 32115 1613 05 00 39.8 −02 03 57.7 49.6 A8 125 11 0.29 6.31 5.62 5.58
26309 37286 1915 05 36 10.3 −28 42 28.9 52.8 A2 30 3 Tuc-Hor 0.15 6.26 5.94 5.86 yes 3
26624 37594 1940 05 39 31.2 −03 33 52.9 42.6 A8V 125 11 0.29 5.99 5.36 5.21
32938 50445 2558 06 51 42.4 −36 13 49.0 55.2 A3V 125 11 0.18 5.94 5.54 5.51
34782 55568 2720 07 12 04.1 −30 49 16.9 47.6 A8V 125 11 0.27 6.10 5.46 5.39
35567 57969 ... 07 20 23.0 −56 17 40.7 71.0 A1V 20 9 0.11 6.57 6.39 6.28
41152 70313 3277 08 23 48.5 +53 13 11.0 50.4 A3V 200 1 0.13 5.52 5.29 5.25 yes 1
41307 71155 3314 08 25 39.6 −03 54 23.1 37.5 A0V 400 5  −0.01 3.91 4.09 4.08 yes 1
42334 73495 3420 08 37 52.2 −26 15 18.0 71.1 A0V 125 11  −0.03 5.24 5.35 5.32
44923 78702 3638 09 09 04.2 −18 19 42.8 83.7 A0/A1V 200 6 0.00 5.73 5.64 5.69
53771 95429 4296 11 00 08.3 −51 49 04.1 61.1 A3 125 11 0.19 6.15 5.79 5.77 yes/10′′
57013 101615 4502 11 41 19.8 −43 05 44.4 65.5 A0V 125 11 0.04 5.54 5.51 5.44
57328 102124 4515 11 45 17.0 + 08 15 29.2 37.4 A4V 125 11 0.17 4.84 4.54 4.41
60595 108107 4722 12 25 11.8 −11 36 38.1 70.5 A1V 125 11 0.04 5.95 5.91 5.83
61468 109536 4794 12 35 45.5 −41 01 19.0 35.5 A7V 100 7 0.22 5.12 4.71 4.57
61960 110411 4828 12 41 53.1 + 10 14 08.3 36.3 A0V 100 1 0.08 4.88 4.76 4.68 yes 1
62983 112131 4901 12 54 18.7 −11 38 54.9 68.5 A2V 125 11 0.07 6.00 5.85 5.83 yes/0.04′′
66634 119024 5142 13 39 30.4 + 52 55 16.4 53.6 A3V 125 11 0.11 5.46 5.20 5.17
69713 125161 5350 14 16 09.9 + 51 22 02.0 29.1 A9V 125 11 0.24 4.75 4.32 4.29 yes/32′′
69732 125162 5351 14 16 23.0 + 46 05 17.9 30.4 A0 200 1 0.09 4.18 4.03 3.91 yes 1
78078 142703 5930 15 56 33.4 −14 49 46.0 51.1 A2 125 11 0.24 6.11 5.39 5.34
92024 172555 7012 18 45 26.9 −64 52 16.5 28.5 A7V 12 8 β Pictoris 0.20 4.78 4.25 4.30 yes 1 yes/72′′
95261 181296 7329 19 22 51.2 −54 25 26.2 48.2 A0V 12 8 β Pictoris 0.02 5.02 5.15 5.01
99273 191089 ... 20 09 05.2 −26 13 26.5 52.2 F5V 12 2 β Pictoris 0.48 7.18 6.12 6.08 yes 1
104365 201184 8087 21 08 33.6 −21 11 37.2 55.1 A0V 125 11 0.00 5.30 5.33 5.31 yes/70′′
110935 212728 8547 22 28 37.7 −67 29 20.6 43.1 A4V 125 11 0.21 5.56 5.14 5.05
114189 218396 8799 23 07 28.7 + 21 08 03.3 39.4 A5V 30 3 Columba 0.26 5.97 5.28 5.24 yes 1
115738 220825 8911 23 26 56.0 + 01 15 20.2 47.1 A0 70 3 AB Dor 0.04 4.95 4.95 4.93
116431 221853 ... 23 35 36.2 + 08 22 57.4 68.4 F0 100 1 0.41 7.35 6.44 6.40
Additional targets included from previous surveys or discoveries.
27321a 39060 2020 05 47 17.09 −51 03 59.44 19.4 A6V 12 8 β Pictoris 0.17 3.86 3.54 3.53 yes 1
61498b 109573 4796 12 36 01.03 −39 52 10.23 72.8 A0 8 10 TWA 0.00 5.78 5.79 5.77 yes 1 yes/8′′
98495b 188228 7590 20 00 35.56 −72 54 37.82 32.2 A0V 50 7  −0.03 3.95 3.76 3.80

Notes. 

(a)

Source: Bonnefoy et al. (2011). Data from ESO program 284.C-5057, PI A.-M. Lagrange. The data were drawn from the ESO archive and analyzed following the procedure described in Sect. 3.

(b)

Source: Chauvin et al. (2010). Detection limits provided by Chauvin (priv. comm.).

References. (1) Rhee et al. (2007); (2) Moór et al. (2011); (3) Zuckerman et al. (2011); (4) Su et al. (2006); (5) Janson et al. (2011); (6) Moór et al. (2006); (7) Chauvin et al. (2010); (8) Zuckerman et al. (2001); (9) Tetzlaff et al. (2011); (10) Stauffer et al. (1995); (11) see Sect. 2.

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