2012ApJ...760...26B

Query : 2012ApJ...760...26B

2012ApJ...760...26B - Astrophys. J., 760, 26 (2012/November-3)

The frequency of debris disks at white dwarfs.

BARBER S.D., PATTERSON A.J., KILIC M., LEGGETT S.K., DUFOUR P., BLOOM J.S. and STARR D.L.

Abstract (from CDS):

We present near- and mid-infrared photometry and spectroscopy from PAIRITEL, IRTF, and Spitzer of a metallicity-unbiased sample of 117 cool, hydrogen-atmosphere white dwarfs (WDs) from the Palomar-Green survey and find five with excess radiation in the infrared, translating to a 4.3+2.7_- 1.2_% frequency of debris disks. This is slightly higher than, but consistent with the results of previous surveys. Using an initial-final mass relation, we apply this result to the progenitor stars of our sample and conclude that 1-7 M☉ stars have at least a 4.3% chance of hosting planets; an indirect probe of the intermediate-mass regime eluding conventional exoplanetary detection methods. Alternatively, we interpret this result as a limit on accretion timescales as a fraction of WD cooling ages; WDs accrete debris from several generations of disks for ∼10 Myr. The average total mass accreted by these stars ranges from that of 200 km asteroids to Ceres-sized objects, indicating that WDs accrete moons and dwarf planets as well as solar system asteroid analogs.

Abstract Copyright: ∼

Journal keyword(s): infrared: planetary systems - infrared: stars - white dwarfs

VizieR on-line data: <Available at CDS (J/ApJ/760/26): table1.dat table2.dat>

Simbad objects: 122

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Number of rows : 122
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 PG 0000+172 WD* 00 02 34.9060720056 +17 27 19.864536588   15.80 15.8     DA2.4 24 0
2 LAWD 5 WD* 00 35 35.8382124422 +01 53 08.626899670   15.76 15.52 15.6   DA4.6 69 0
3 PG 0048+202 WD* 00 51 11.0094638592 +20 31 22.259382096   15.37   15.4   DA2.4 38 0
4 PG 0059+258 WD* 01 01 45.7599823800 +26 02 42.694301148   15.33 15.69     DA2.2 26 0
5 GD 12 WD* 01 10 11.7890663736 +27 01 04.671217884   15.02   15.0   DA3.5 45 0
6 PG 0132+254 WD* 01 35 14.5278728496 +25 39 45.217045548   15.88 16.12     DA2.4 17 0
7 GD 66 WD* 05 20 38.3165748936 +30 48 23.922603900   15.78 15.56     DA4.1 81 1
8 PG 0816+297 WD* 08 19 33.2874121728 +29 33 34.546206888   15.95       DA2.9 29 0
9 PG 0819+364 WD* 08 22 46.1640117312 +36 14 12.609147228   15.59 15.65 16.07   DA2.6 32 0
10 PG 0821+633 WD* 08 25 35.4232570536 +63 06 53.414237232   15.88 15.85 16.07   DA2.9 27 0
11 Wolf 309 WD* 08 30 09.4460944920 +45 20 30.299690220 14.731 15.251 15.069 15.032 14.975 DA4.8 43 0
12 PG 0852+659 WD* 08 56 28.4837952144 +65 39 46.009575648   15.40 15.38 15.84   DA2.5 24 0
13 GD 98 WD* 08 57 30.4538581800 +40 16 13.038983760 13.766 14.697 14.823 14.935 15.056 DA2.2 54 0
14 PG 0908+171 WD* 09 11 24.0134218896 +16 54 11.735599032   16.00   16.1   DA2.8 27 0
15 PG 0915+526 WD* 09 18 55.0319901336 +52 24 53.117656776   15.64       DA3.1 30 0
16 PG 0933+729 WD* 09 38 21.6387151128 +72 42 19.012169592   15.67 15.68 15.92   DA2.8 26 0
17 Ton 20 WD* 09 41 04.4668994424 +28 22 24.159587592   15.62 15.57     DA3.3 41 0
18 PG 0938+550 WD* 09 42 09.4912688808 +54 47 12.547042512   15.20       DA2.6 36 0
19 LAWD 32 WD* 09 46 39.0735844152 +43 54 52.233579756   13.39   13.8   DA3.8 109 0
20 Ton 458 WD* 09 50 49.5043221360 +32 19 41.194528572   15.35 15.50 15.80   DA2.2 40 0
21 PG 0950+078 WD* 09 52 59.0782418784 +07 31 07.487010228   16.12   17.5   DA3.3 35 0
22 PG 0954+697 WD* 09 58 30.8110886328 +69 28 59.009315304   15.87 15.96 16.0   DA2.2 34 0
23 PG 0956+021 WD* 09 58 50.5157308008 +01 47 24.166179060   16.05   16.1   DA3.0 47 0
24 LB 564 WD* 10 03 16.3568389968 -00 23 36.942793152   16.08   16.2   DA2.4 40 0
25 PG 1003-023 WD* 10 05 51.5180688792 -02 34 17.930002332   15.3 15.4 15.4   DA2.4 40 0
26 GD 462 WD* 10 09 36.3651292488 +63 58 37.350514992   13.5 14.2     DA2.4 45 0
27 PG 1015+161 WD* 10 18 03.8273436048 +15 51 58.566029940   15.596 15.607 16.000   DA2.5 92 0
28 PG 1017+125 WD* 10 19 55.9112404968 +12 16 31.526935176   15.81   15.7   DA2.2 43 0
29 PG 1019+129 WD* 10 22 28.7716622928 +12 41 59.406380196   15.61 15.60 15.7   DA2.6 33 0
30 PG 1022+050 WD* 10 24 59.8281525960 +04 46 10.445657952   14.37 14.20 14.2   DA3.5 60 0
31 PG 1026+024 WD* 10 29 09.8055416376 +02 05 53.669558472   14.34 14.20 14.46   DA3.8 45 0
32 Ton 527 WD* 10 33 49.1967544416 +23 09 16.254781992   15.3 15.73     DAP2 120 0
33 PG 1031+063 WD* 10 34 05.3305222440 +06 02 47.671128996   16.20   16.4   DA2.3 26 0
34 GD 304 WD* 10 37 43.4671192536 +48 57 20.753512524   15.5       DA2.4 50 0
35 PG 1036+086 WD* 10 39 07.3787750808 +08 18 41.006097360   16.07 16.26 16.2   DA2.2 32 0
36 Ton 547 WD* 10 49 28.9008543840 +27 54 22.773689316   15.56 15.41     DA3.8 44 0
37 GD 466 WD* 11 05 56.1790255464 +74 36 39.583035648   15.14   15.23 15.22 DA2.4 39 0
38 GD 129 WD* 11 11 20.7218460480 +47 18 26.442135036   15.61 15.39 15.80   DA3.8 31 0
39 PG 1115+166 WD* 11 17 55.1077994088 +16 21 29.251373436   15.16       DA+DB 52 0
40 GD 133 WD* 11 19 12.3988618680 +02 20 33.045927216   14.734 14.617 14.855   DA4.0 107 0
41 GD 307 WD* 11 25 18.8773833960 +54 19 36.207431868   15.5   15.5   DA3.3 53 0
42 PG 1129+072 WD* 11 32 03.4693633704 +06 55 09.163435008   15.37       DA3.6 33 0
43 Feige 44 WD* 11 32 27.3595272912 +15 17 30.817709700   14.03 14.26 14.5   DA2.8 46 0
44 GD 140 WD* 11 37 05.1041466528 +29 47 58.288741080 11.47 12.42 12.45 12.73 12.714 DA2.2 257 0
45 LAWD 38 WD* 11 50 20.1723452944 +25 18 32.765299925   15.78   15.4   DA5 66 0
46 GD 312 WD* 11 51 42.1103707056 +40 47 14.036513820   15.5   15.9   DA3.4 41 0
47 PG 1149+058 WD* 11 51 54.2067404280 +05 28 39.584467236   15.14   15.07   DA4.4 52 0
48 PG 1158+433 WD* 12 01 09.5128890336 +42 59 47.417505612           DA3.4 27 0
49 V* GW Vir WD* 12 01 45.9731868264 -03 45 40.628670300   14.87 15.04     DOQZ1 505 0
50 PG 1159-098 WD* 12 02 07.6454388552 -10 04 39.655312140   16.10   16.1   DA5.3 32 0
51 PG 1201-001 WD* 12 03 47.4251223816 -00 23 10.938711192   15.13   15.6   DA2.4 46 0
52 PG 1216+036 WD* 12 18 41.1539980872 +03 20 22.142530284   16.06   16.3   DA3.5 33 0
53 PG 1229-013 WD* 12 31 34.5018809808 -01 32 08.523532428   14.44 13.79 14.5   DA2.5 47 0
54 HZ 28 WD* 12 32 26.1938523336 +41 29 19.328669844   15.68 15.75     DA2.5 48 0
55 GD 148 WD* 12 34 56.2208679504 +47 37 33.365659908   14.58   14.9   DA3.3 50 0
56 PG 1237-029 WD* 12 40 09.5527995480 -03 10 14.173232880   16.04 15.90 15.7   DA4.9 44 0
57 EGGR 92 WD* 12 47 14.7133704150 +14 42 30.875986658   16.08   15.9   DA4.6 66 0
58 PG 1257+032 WD* 12 59 56.6804154816 +02 55 56.104777272   15.6 15.60 15.9   DA2.8 34 0
59 GD 322 WD* 13 00 35.1998207976 +59 04 15.592431900 14.81 15.44 15.31 15.93   DA3.3 44 0
60 Ton 1559 WD* 13 09 57.6766028952 +35 09 47.187935136   15.51   15.2   DA4.4 138 0
61 PG 1310+583 WD* 13 12 57.9037281360 +58 05 11.290690392   13.89   14.2   DA4.7 49 0
62 PG 1319+466 WD* 13 21 15.1030233312 +46 23 23.654345892   14.55   14.7   DA3.5 45 0
63 PG 1325+168 ** 13 28 14.34216 +16 31 51.3804   16.09 16.02     DA2.7 16 0
64 PG 1328+344 WD* 13 31 10.8563171136 +34 08 41.435089872   14.97 15.04 15.63   DA2.9 29 0
65 PG 1330+473 WD* 13 32 36.0391484424 +47 04 10.707585204   15.23 15.23 15.64   DA2.2 36 0
66 PG 1335+369 WD* 13 37 52.0898988120 +36 37 33.442623624     14.51 15.30   DA4 35 1
67 LAWD 52 WD* 13 38 50.4780906644 +70 17 07.640657534 11.807 12.54 12.60 13.01 12.979 DA2.4 234 0
68 PG 1344+573 WD* 13 46 02.0575456032 +57 00 32.790211020   13.4   13.5   DA3.6 61 0
69 PG 1349+552 WD* 13 51 20.2509674304 +54 57 42.595932708   15.51       DA4.1 49 0
70 PG 1349+144 WD* 13 51 53.9035079208 +14 09 45.466374564   15.40 14.77 15.0   DA2.9 35 1
71 V* DU Dra WD* 13 52 11.0036780664 +65 24 57.126049128   15.7   15.3   DA4.1 75 0
72 PG 1350-090 WD* 13 53 15.5345099352 -09 16 33.374583634   14.81 14.60     DAP5.3 52 1
73 PG 1407+425 WD* 14 09 45.2394571992 +42 16 00.654967560     14.98     DA5.0 50 0
74 GD 163 WD* 14 10 26.9530830912 +32 08 35.850221808   13.96   14.3   DA2.6 68 0
75 PG 1410+425 WD* 14 12 07.6131495576 +42 16 27.402645504   16.10       DA3.1 40 0
76 PG 1431+154 WD* 14 34 06.7713433056 +15 08 17.817238356   16.05   16.2   DA3.6 36 0
77 LAWD 56 WD* 14 50 49.3755085557 +07 33 33.866961226   15.50   15.4   DA3.4 69 0
78 PG 1449+168 WD* 14 52 11.3895215040 +16 38 03.674475492   15.6 15.39 15.5   DA2.2 35 0
79 EGGR 298 WD* 14 58 06.4884482642 +29 37 29.515263565   15.86   15.3   DA6.8 99 0
80 PG 1457-086 WD* 14 59 52.9901145672 -08 49 29.645894676   15.68 15.77 15.8   DA2.3 51 0
81 PG 1502+351 ** 15 04 02.986536 +34 54 40.74624   15.81 15.78 16.05   DA2.7 19 0
82 PG 1501+032 WD* 15 04 23.8359298440 +03 02 32.438851944   15.40   15.7   DA3.5 32 0
83 GD 340 WD* 15 09 38.8624495200 +63 32 25.476862596   15.0 14.7     DA4.8 50 1
84 PG 1507+220 WD* 15 09 39.9932016624 +21 50 15.772199712   15.00   15.0   DA2.5 35 0
85 PG 1508+549 WD* 15 09 53.6700510888 +54 39 45.381088080   15.71       DA2.9 32 1
86 PG 1507+021 WD* 15 09 56.9394957792 +01 56 08.578278816   16.10   16.4   DA2.5 31 0
87 GD 178 WD* 15 11 27.6256557720 +32 04 17.914472544   14.18   14.4   DA3.5 61 0
88 PG 1515+669 WD* 15 15 52.9057337712 +66 42 42.881800140   15.59       DA4.8 28 0
89 PG 1519+384 WD* 15 21 31.8639727152 +38 12 46.355698404   15.61       DA2.5 32 0
90 PG 1527+091 WD* 15 29 50.4040967400 +08 55 46.305320628   13.44 14.72 14.5   DA2.3 35 0
91 GD 185 WD* 15 34 05.9995795608 -02 27 08.259662988   14.03 14.03 13.9   DA2.6 64 0
92 PG 1533-057 WD* 15 36 34.9216754616 -05 52 40.016244216   15.32 15.2     DAP3 45 0
93 GD 348 WD* 15 37 44.4366919464 +65 01 48.746398008   14.83   14.6   DA5.1 45 0
94 V* KX Dra WD* 15 41 44.8895982744 +64 53 52.977685920   15.562 15.523 15.658   DA4.2 60 1
95 PG 1548+149 WD* 15 51 15.4165890816 +14 46 59.252813832   14.95   15.2   DA2.4 38 0
96 GD 194 WD* 15 52 26.3787120096 +18 10 18.689282184   14.94   15.2   DA3.4 58 0
97 PG 1601+581 WD* 16 02 41.9794590168 +57 58 15.319164720   13.98 13.75 13.95   DA3.3 31 0
98 PG 1605+684 WD* 16 05 36.3154857288 +68 14 06.407205072   15.93 15.85 16.39   DA2.3 20 0
99 GD 196 WD* 16 13 02.2929380160 +16 31 55.184791656   15.86   15.7   DA3.3 47 0
100 PG 1614+137 WD* 16 16 52.2976937880 +13 34 20.926222860   15.16 15.24 15.4   DA2.2 46 0
101 PG 1620+513 WD* 16 21 24.0441867504 +51 11 36.871803780   16.00       DA2.3 25 0
102 PG 1626+409 WD* 16 28 30.4869526200 +40 48 37.140087348   16.02 16.7     DA2.2 30 0
103 PG 1632+177 WD* 16 34 41.8477268232 +17 36 34.089084576   13.36 13.14 13.34   DA4.9 53 0
104 EGGR 120 WD* 16 39 27.8215382615 +33 25 22.241246085   14.83   14.6   DA4.9 74 0
105 GD 357 WD* 16 43 02.2595999160 +38 41 17.210504868   14.69   15.0   DA3.1 51 0
106 PG 1647+376 WD* 16 49 20.2995045744 +37 28 21.248689548   14.90 14.98     DA2.2 51 0
107 GD 515 WD* 16 54 29.0577769752 +63 39 21.175780860   15.5   15.9   DA3.2 42 0
108 PG 1659+303 WD* 17 01 08.0171192760 +30 15 35.584426116   15.11 15.23     DA3.6 24 0
109 PG 1720+361 WD* 17 22 06.8209775112 +36 02 29.548818492   15.32 15.28 15.16   DA3.5 28 0
110 GD 362 WD* 17 31 34.3168718112 +37 05 20.711767812   16.3   16.4   DAZB 200 0
111 GALEX J193156.8+011745 WD* 19 31 56.9316163968 +01 17 44.107104876     14.20     DAZ 79 1
112 GD 236 WD* 22 29 08.5720633704 +06 22 47.494685532   15.5   14.3   DA3.1 46 0
113 EGGR 155 WD* 22 49 05.5507896558 +22 36 31.991540832   14.55   13.8   DA4.7 111 0
114 PG 2303+243 WD* 23 06 17.6909597616 +24 32 07.677555468   15.4   15.2   DA4.3 60 0
115 PG 2306+131 WD* 23 08 30.5124382728 +13 19 23.362418568   15.38 15.1 15.3   DA3.7 38 0
116 PG 2306+125 WD* 23 08 34.9892672520 +12 45 40.280370264   15.23 15.23 15.2   DA2.4 41 0
117 PG 2322+207 WD* 23 24 35.1949156152 +20 56 33.828403236   15.55 15.47 15.82   DA3.7 33 0
118 PG 2324+060 WD* 23 26 44.4452752032 +06 17 42.186110928   15.49 15.46 15.5   DA3.0 30 0
119 V* ZZ Psc WD* 23 28 47.6365087803 +05 14 54.235051503   13.217   13.106   DA4.1 536 0
120 PG 2328+108 WD* 23 30 41.6681672616 +11 02 06.456230232   15.9 15.53 15.7   DA2.2 48 0
121 EGGR 161 WD* 23 32 03.5207942068 +26 58 46.119170653   15.52   15.2   DAP4.2 56 0
122 PG 2336+063 WD* 23 38 58.1182724280 +06 35 30.204335508   15.5 15.600 15.8   DA2.9 31 0

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