2014A&A...570A.128E

Query : 2014A&A...570A.128E

2014A&A...570A.128E - Astronomy and Astrophysics, volume 570A128-128 (2014/10-1)

A near-infrared interferometric survey of debris-disk stars. IV. An unbiased sample of 92 southern stars observed in H band with VLTI/PIONIER.

ERTEL S., ABSIL O., DEFRERE D., LE BOUQUIN J.-B., AUGEREAU J.-C., MARION L., BLIND N., BONSOR A., BRYDEN G., LEBRETON J. and MILLI J.

Abstract (from CDS):

Detecting and characterizing circumstellar dust is a way to study the architecture and evolution of planetary systems. Cold dust in debris disks only traces the outer regions. Warm and hot exozodiacal dust needs to be studied in order to trace regions close to the habitable zone. We aim to determine the prevalence and to constrain the properties of hot exozodiacal dust around nearby main-sequence stars. We searched a magnitude-limited (H≤5) sample of 92 stars for bright exozodiacal dust using our VLTI visitor instrument PIONIER in the H band. We derived statistics of the detection rate with respect to parameters, such as the stellar spectral type and age or the presence of a debris disk in the outer regions of the systems. We derived more robust statistics by combining our sample with the results from our CHARA/FLUOR survey in the K band. In addition, our spectrally dispersed data allowed us to put constraints on the emission mechanism and the dust properties in the detected systems. We find an overall detection rate of bright exozodiacal dust in the H band of 11% (9 out of 85 targets) and three tentative detections. The detection rate decreases from early type to late type stars and increases with the age of the host star. We do not confirm the tentative correlation between the presence of cold and hot dust found in our earlier analysis of the FLUOR sample alone. Our spectrally dispersed data suggest that either the dust is extremely hot or the emission is dominated by the scattered light in most cases. The implications of our results for the target selection of future terrestrial planet-finding missions using direct imaging are discussed.

Abstract Copyright: ∼

Journal keyword(s): techniques: interferometric - circumstellar matter - planetary systems - zodiacal dust

Simbad objects: 97

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Number of rows : 97
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 HD 142 PM* 00 06 19.1753245111 -49 04 30.671249608   6.30 5.76     F7V 271 1
2 * zet Tuc PM* 00 20 04.2586334956 -64 52 29.257190108 4.82 4.80 4.23 3.73 3.40 F9.5V 415 0
3 * kap Phe PM* 00 26 12.2013436436 -43 40 47.390371480 4.22 4.11 3.94 3.78 3.70 A5IVn 158 0
4 * lam02 Phe PM* 00 35 41.1754684944 -48 00 03.264963408   5.948 5.510     F5V+ 77 0
5 HD 3823 PM* 00 40 25.6698671445 -59 27 16.566549816   6.44 5.90     G0VFe-0.9CH-0.4 184 0
6 * eta Phe dS* 00 43 21.2101237138 -57 27 47.028593879   4.350 4.361     A0IV 100 0
7 * nu. Phe PM* 01 15 11.1214282378 -45 31 53.992580679 5.65 5.54 4.96 4.47 4.11 F9VFe+0.4 281 0
8 * kap Tuc PM* 01 15 46.0891031031 -68 52 33.401317053   5.39 4.95 4.82   F6V 146 0
9 * q01 Eri PM* 01 42 29.3145176952 -53 44 26.991453264   6.05 5.52     F9V 368 1
10 * chi Cet PM* 01 49 35.1027660619 -10 41 11.070999501 5.04 5.00 4.68 4.38 4.22 F0V 215 0
11 HD 14412 PM* 02 18 58.5047816166 -25 56 44.473793228   7.07 6.34     G8V 249 0
12 * del Hyi PM* 02 21 44.9423652192 -68 39 33.906922488 4.17 4.12 4.09 4.05 4.04 A2V 119 0
13 * sig Cet ** 02 32 05.1877984910 -15 14 41.653561505 5.19 5.20 4.75 4.34 4.07 F5V 217 0
14 * eta Hor ** 02 37 24.3486279936 -52 32 35.192050404   5.569 5.293     A6V 87 0
15 * iot Hor PM* 02 42 33.4666679022 -50 48 01.055138166   5.97 5.40     F8V 446 1
16 HD 17925 RS* 02 52 32.1281856011 -12 46 10.968056223 7.48 6.91 6.05 5.34 4.89 K1V 557 0
17 * rho03 Eri PM* 03 04 16.5168842952 -07 36 03.078421848   5.46 5.30     A5V 76 0
18 * zet01 Ret PM* 03 17 46.1634549490 -62 34 31.152456644 6.24 6.18 5.54 5.00 4.66 G2.5VHdel1 324 0
19 * zet02 Ret ** 03 18 12.8188824117 -62 30 22.904711032   5.814 5.228     G1V 399 0
20 * e Eri PM* 03 19 55.6509122226 -43 04 11.215188426 5.20 4.98 4.27 3.65 3.25 G6V 501 1
21 * kap Ret PM* 03 29 22.6774206459 -62 56 15.104181615   5.09 4.70     F3IV/V 184 0
22 * del Eri PM* 03 43 14.9005379551 -09 45 48.210955899 5.13 4.46 3.54 2.82 2.32 K0+IV 651 0
23 HD 25457 TT* 04 02 36.7442719512 -00 16 08.119921152   5.88 5.38     F7V 293 0
24 * b Tau PM* 04 28 50.1636212976 +13 02 51.367198596   5.226 5.014 4.907 4.795 kA5hF0VmF0 214 0
25 * c Tau BS? 04 38 09.4618938672 +12 30 39.013056648 4.52 4.39 4.27 4.13 4.08 A6V 207 0
26 * 58 Eri BY* 04 47 36.2917029384 -16 56 04.040472552   6.14 5.50     G2.5IV-V 466 0
27 * pi.01 Ori PM* 04 54 53.7280989194 +10 09 03.003446941   4.723 4.648     A0Va_lB 268 0
28 HD 31925 ** 04 59 01.36250 -16 22 33.6890           hF5gF5mF3 90 0
29 * zet Dor PM* 05 05 30.6556741368 -57 28 21.736898832   5.215 4.708     F9VFe-0.5 267 0
30 * bet Eri PM* 05 07 50.9748851089 -05 05 11.389142292 3.02 2.92 2.79 2.65 2.57 A3IV 231 0
31 HD 34721 PM* 05 18 50.4728918171 -18 07 48.185476698   6.51 5.96     G0V 149 0
32 * bet Pic PM* 05 47 17.0876901 -51 03 59.441135 4.13 4.03 3.86 3.74 3.58 A6V 2087 1
33 HD 38858 PM* 05 48 34.9402551240 -04 05 40.721787744 6.71 6.61 5.97     G2V 349 1
34 HD 40307 PM* 05 54 04.2405000288 -60 01 24.493007640 8.814 8.097 7.147 6.597 6.119 K2.5V 305 1
35 HD 43162 LM* 06 13 45.2953762392 -23 51 42.971547996   7.068 6.366 5.94 5.61 G6.5V 200 0
36 HD 45184 PM* 06 24 43.8795895848 -28 46 48.415725948   7.01 6.39 6.24 8.94 G2Va 238 1
37 HD 53705 PM* 07 03 57.3152216292 -43 36 28.925859669   5.94 5.28 5.05 4.71 G1.5V 219 0
38 * lam Gem PM* 07 18 05.5789195368 +16 32 25.389581244   3.674 3.559     A4IV 269 0
39 HD 69830 PM* 08 18 23.9469682407 -12 37 55.817187530   6.74 5.95     G8:V 587 1
40 * 30 Mon PM* 08 25 39.6318651278 -03 54 23.137987255 3.85 3.88 3.90 3.87 3.92 A0Va 289 0
41 HD 72673 PM* 08 32 51.4956803280 -31 30 03.064960317   7.17 6.38     K1V 242 0
42 HD 76151 PM* 08 54 17.9470964696 -05 26 04.054298491 6.89 6.67 6.00     G2V 580 0
43 HD 76932 PM* 08 58 43.9327642391 -16 07 57.817644364 6.47 6.39 5.86     G2VFe-1.8CH-1 426 0
44 * psi Vel ** 09 30 41.99958 -40 28 00.2616 3.89 3.96 3.60 3.24 3.02 F3VFe-0.7 123 0
45 * q Vel PM* 10 14 44.1556880397 -42 07 18.988830783 3.98 3.90 3.85 3.83 3.81 A2Va 146 0
46 HD 90132 PM* 10 23 29.2960770216 -38 00 35.425518588   5.564 5.329     A8V 76 0
47 * Y Vel PM* 10 31 21.8208713206 -53 42 55.740987419   5.39 4.89     F9VFe-0.8CH-0.7 173 0
48 * gam Crt PM* 11 24 52.9236160183 -17 41 02.442764421   4.25 4.06 6.12   A7V(n) 139 0
49 HD 102365 PM* 11 46 31.0725331317 -40 30 01.285867174 5.65 5.55 4.88 4.35 3.97 G2V 378 1
50 HD 104731 PM* 12 03 39.5724147833 -42 26 02.610414638 5.53 5.56 5.15     F5V 144 0
51 * del Crv PM* 12 29 51.8551642 -16 30 55.552542 2.80 2.89 2.94 2.99 3.03 A0IV(n)kB9 218 0
52 * tau Cen PM* 12 37 42.1640998080 -48 32 28.699293408 3.94 3.91 3.86 3.81 3.77 A1IVnn 113 0
53 * 61 Vir PM* 13 18 24.3139864471 -18 18 40.297748582 5.710 5.440 4.740     G6.5V 742 1
54 * tau Boo PM* 13 47 15.7381720026 +17 27 24.809555600 5.02 4.98 4.49 4.09 3.85 F7IV-V 1049 1
55 NAME beta Pic Moving Group MGr 14 30 -42.0           ~ 894 0
56 * alf Cir a2* 14 42 30.4206520931 -64 58 30.478845491 3.55 3.43 3.19 2.96 2.86 A7VpSrCrEu 384 0
57 * mu. Vir PM* 14 43 03.6239867612 -05 39 29.524956308 4.25 4.26 3.88 3.48 3.26 F2V 239 0
58 * 109 Vir PM* 14 46 14.9234473441 +01 53 34.381780831 3.69 3.72 3.73 3.66 3.68 A0IIInn 346 0
59 * c Boo PM* 15 07 18.0659348352 +24 52 09.099406380 5.34 5.36 4.93 4.53 4.32 F5V 374 0
60 * bet Cir PM* 15 17 30.8494520580 -58 48 04.345266926   4.153 4.057     A3Va 136 0
61 * 5 Ser PM* 15 19 18.7974409923 +01 45 55.466382064   5.60   4.8   F8IV 355 0
62 * g Lup PM* 15 41 11.3768069149 -44 39 40.341696305   5.036 4.633     F4V 212 0
63 * kap CrB PM* 15 51 13.9312943632 +35 39 26.573691158 6.69 5.82 4.82 4.06 3.57 K1IVa 290 1
64 * bet TrA PM* 15 55 08.5620636 -63 25 50.615531 3.19 3.14 2.85 2.53 2.38 F1V 174 0
65 * 12 Oph BY* 16 36 21.4496896968 -02 19 28.513024233 7.00 6.55 5.77 5.13 4.74 K1V 525 0
66 HD 152391 PM* 16 52 58.8025159848 -00 01 35.118396116   7.40 6.64     G8.5Vk: 396 0
67 * lam Ara PM* 17 40 23.8255785576 -49 24 56.099256516   5.17 4.77     F4V 132 0
68 * 58 Oph PM* 17 43 25.7935382141 -21 40 59.498912759   5.313 4.861     F5V 160 0
69 * zet Ser PM* 18 00 29.0100539320 -03 41 24.977568563   4.982 4.616     F2V 203 0
70 * 72 Oph PM* 18 07 20.9848472070 +09 33 49.848215907 3.95 3.85 3.73 3.59 3.54 A5V 156 0
71 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0V 2787 1
72 HD 172555 PM* 18 45 26.9009806435 -64 52 16.534807985   4.967 4.767     A7V 321 0
73 * alf CrA PM* 19 09 28.3415149600 -37 54 16.107840507   4.146 4.087     A2Va 120 0
74 * b Aql PM* 19 24 58.1999714302 +11 56 39.888480530 6.35 5.93   4.7   G7IVHdel1 522 0
75 * alf Aql dS* 19 50 46.99855 +08 52 05.9563 1.07 0.98 0.76 0.62 0.49 A7Vn 919 1
76 * eps Pav PM* 20 00 35.5515303087 -72 54 37.812955563   3.927 3.940     A0Va 142 0
77 * rho Aql PM* 20 14 16.6186826232 +15 11 51.386417088   5.006 4.946     A1Va 137 0
78 * phi01 Pav PM* 20 35 34.8500676912 -60 34 54.296843484   5.036 4.745     F0V 86 0
79 * eta Ind dS* 20 44 02.3339803529 -51 55 15.493271117   4.767 4.495     A9IV 93 0
80 * psi Cap PM* 20 46 05.7329952443 -25 16 15.233491015   4.538 4.122     F5V 230 0
81 * tet Ind ** 21 19 51.9894566760 -53 26 57.933870576   4.641 4.483 5.82   A5IV-V 91 0
82 * gam Pav PM* 21 26 26.6049826473 -65 21 58.313057521 4.57 4.70 4.22 3.75 3.45 F9VFe-1.4CH-0.7 439 0
83 V* HN Peg BY* 21 44 31.3299461136 +14 46 18.983292600       6.16   G0V+ 561 0
84 HD 207129 PM* 21 48 15.7511634187 -47 18 13.017893348   6.18 5.58     G2V 357 0
85 * mu. PsA PM* 22 08 23.0113421424 -32 59 18.491668224 4.60 4.55 4.50 4.43 4.38 A1.5IVn 132 0
86 HD 210277 PM* 22 09 29.8657847411 -07 32 55.162082226   8.85 8.57 7.36   G8V 366 1
87 * tau PsA PM* 22 10 08.7801946925 -32 32 54.270294310   5.40 4.92     F6V 175 0
88 * tet Peg PM* 22 10 11.9886121211 +06 11 52.517717538 3.72 3.62 3.55 3.50 3.46 A1Va 194 0
89 * ups Aqr PM* 22 34 41.6357860992 -20 42 29.576916972   5.637 5.203     F7V 148 0
90 HD 214953 PM* 22 42 36.8833459086 -47 12 38.925760753 6.64 6.67 6.06 7.11   F9.5V 162 0
91 * ksi Peg PM* 22 46 41.5798542334 +12 10 22.388860108 4.66 4.69 4.20 3.73 3.42 F6V 406 0
92 * eps Gru SB* 22 48 33.2980615128 -51 19 00.713323272   3.556 3.466     A2IVn 137 0
93 * tau01 Gru PM* 22 53 37.9323502176 -48 35 53.823928380 6.85 6.66 6.04     G0V 223 1
94 * alf PsA PM* 22 57 39.04625 -29 37 20.0533 1.31 1.25 1.16 1.11 1.09 A4V 1303 3
95 HD 219482 PM* 23 16 57.6874876272 -62 00 04.312068048   6.146 5.647     F6V 138 0
96 * gam Tuc PM* 23 17 25.7564454336 -58 14 08.524954176 4.35 4.37 3.98 3.57 3.33 F4V 169 0
97 * eta Tuc ** 23 57 35.0786487048 -64 17 53.627347464   5.046 4.989     A1V 94 0

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