2016MNRAS.462.2506B

Query : 2016MNRAS.462.2506B

2016MNRAS.462.2506B - Mon. Not. R. Astron. Soc., 462, 2506-2517 (2016/November-1)

The DECam Minute Cadence Survey - I.

BELARDI C., KILIC M., MUNN J.A., GIANNINAS A., BARBER S.D., DEY A. and STETSON P.B.

Abstract (from CDS):

We present the first results from a minute cadence survey of a 3 deg2 field obtained with the Dark Energy Camera. We imaged part of the Canada-France-Hawaii Telescope Legacy Survey area over eight half-nights. We use the stacked images to identify 111 high proper motion white dwarf candidates with g <= 24.5 mag and search for eclipse-like events and other sources of variability. We find a new g = 20.64 mag pulsating ZZ Ceti star with pulsation periods of 11-13 min. However, we do not find any transiting planetary companions in the habitable zone of our target white dwarfs. Given the probability of eclipses of 1 per cent and our observing window from the ground, the non-detection of such companions in this first field is not surprising. Minute cadence DECam observations of additional fields will provide stringent constraints on the frequency of planets in the white dwarf habitable zone.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): techniques: photometric - eclipses - white dwarfs - white dwarfs

VizieR on-line data: <Available at CDS (J/MNRAS/462/2506): table1.dat table2.dat table3.dat table4.dat>

Nomenclature: Tables 1-4: [BKM2016] WDNNN N=111 among (Nos 1-112), No. 104 missing.

Simbad objects: 113

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Number of rows : 113
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 [BKM2016] WD40 WD? 08 59 01.822 -04 43 40.97           ~ 1 0
2 [BKM2016] WD23 WD? 08 59 21.587 -04 16 45.58           ~ 1 0
3 [BKM2016] WD41 WD? 08 59 25.008 -04 37 55.05           ~ 1 0
4 [BKM2016] WD24 WD? 08 59 54.250 -04 24 14.36           ~ 1 0
5 [BKM2016] WD43 WD? 09 00 13.715 -04 41 41.16           ~ 1 0
6 [BKM2016] WD57 * 09 00 19.728 -04 52 02.14           ~ 1 0
7 [BKM2016] WD103 * 09 00 20.699 -04 31 32.37           ~ 1 0
8 [BKM2016] WD56 WD? 09 00 24.073 -04 50 20.43           ~ 1 0
9 [BKM2016] WD15 WD? 09 00 30.300 -04 06 44.97           ~ 1 0
10 [BKM2016] WD58 * 09 00 30.314 -04 49 08.45           ~ 1 0
11 [BKM2016] WD16 WD? 09 00 30.631 -04 06 28.77           ~ 1 0
12 [BKM2016] WD11 * 09 00 31.846 -03 56 14.72           ~ 1 0
13 GALEX J090033.9-043127 WD? 09 00 33.9171553896 -04 31 27.035939064           ~ 3 0
14 [BKM2016] WD27 * 09 00 38.445 -04 18 19.09           ~ 1 0
15 CFHTLS 1217 8031 WD? 09 00 51.516 -04 42 49.18           ~ 2 0
16 [BKM2016] WD59 WD? 09 00 51.540 -04 50 22.57           ~ 1 0
17 [BKM2016] WD64 WD? 09 00 55.795 -05 02 03.20           ~ 1 0
18 [BKM2016] WD9 WD? 09 00 58.407 -04 03 32.63           ~ 1 0
19 [BKM2016] WD63 WD? 09 00 58.903 -05 02 26.75           ~ 1 0
20 [BKM2016] WD26 * 09 01 02.023 -04 23 12.78           ~ 1 0
21 [BKM2016] WD10 WD? 09 01 07.479 -04 00 20.74           ~ 1 0
22 [BKM2016] WD25 WD? 09 01 07.737 -04 23 51.34           ~ 1 0
23 [BKM2016] WD35 * 09 01 14.401 -04 31 55.24           ~ 1 0
24 GALEX J090117.6-043346 WD? 09 01 17.5823998632 -04 33 46.667226564           ~ 3 0
25 [BKM2016] WD85 * 09 01 21.546 -05 16 59.05           ~ 1 0
26 [BKM2016] WD60 * 09 01 28.647 -04 49 51.92           ~ 1 0
27 [BKM2016] WD83 WD? 09 01 29.157 -05 22 11.58           ~ 1 0
28 [BKM2016] WD1 WD? 09 01 42.763 -03 41 02.11           ~ 1 0
29 [BKM2016] WD84 WD? 09 01 44.723 -05 19 56.03           ~ 1 0
30 [BKM2016] WD73 WD* 09 01 48.6435102720 -05 12 57.759595308           DA 6 0
31 [BKM2016] WD34 WD? 09 01 53.186 -04 32 11.10           ~ 1 0
32 [BKM2016] WD19 WD? 09 01 58.618 -04 06 11.68           ~ 1 0
33 [BKM2016] WD46 WD? 09 01 59.164 -04 35 53.86           ~ 1 0
34 [BKM2016] WD17 WD? 09 01 59.383 -04 11 11.82           ~ 1 0
35 [BKM2016] WD61 WD? 09 02 03.248 -04 53 41.65           ~ 1 0
36 [BKM2016] WD74 WD? 09 02 08.842 -05 05 47.03           ~ 1 0
37 [BKM2016] WD18 WD? 09 02 10.304 -04 07 12.56           ~ 1 0
38 [BKM2016] WD87 WD? 09 02 12.124 -05 16 42.67           ~ 1 0
39 [BKM2016] WD86 WD? 09 02 12.725 -05 23 37.82           ~ 1 0
40 [BKM2016] WD28 WD? 09 02 15.384 -04 21 46.65           ~ 1 0
41 GALEX J090215.5-035009 WD* 09 02 15.5653511904 -03 50 09.399166260           DA 6 0
42 [BKM2016] WD45 WD? 09 02 16.710 -04 35 59.17           ~ 1 0
43 [BKM2016] WD44 WD? 09 02 16.788 -04 39 32.03           ~ 1 0
44 [BKM2016] WD90 WD? 09 02 18.091 -05 26 47.62           ~ 1 0
45 [BKM2016] WD89 WD? 09 02 18.097 -05 33 01.10           ~ 1 0
46 [BKM2016] WD93 * 09 02 21.023 -05 26 44.46           ~ 1 0
47 [BKM2016] WD92 * 09 02 22.621 -05 32 47.07           ~ 1 0
48 [BKM2016] WD91 * 09 02 22.778 -05 33 08.51           ~ 1 0
49 [BKM2016] WD62 WD? 09 02 27.2385596101 -04 46 34.880022662           ~ 2 0
50 [BKM2016] WD29 WD? 09 02 32.728 -04 17 32.37           ~ 1 0
51 [BKM2016] WD13 * 09 02 42.316 -03 58 27.30           ~ 1 0
52 [BKM2016] WD47 WD? 09 02 46.853 -04 39 16.01           ~ 1 0
53 [BKM2016] WD48 WD? 09 03 00.189 -04 38 17.32           ~ 1 0
54 [BKM2016] WD70 * 09 03 05.467 -05 03 11.85           ~ 1 0
55 [BKM2016] WD6 WD? 09 03 08.025 -03 47 22.61           ~ 1 0
56 [BKM2016] WD65 WD? 09 03 08.858 -05 03 33.14           ~ 1 0
57 [BKM2016] WD66 WD? 09 03 09.326 -04 58 12.03           ~ 1 0
58 [BKM2016] WD67 WD? 09 03 12.100 -04 56 49.02           ~ 1 0
59 [BKM2016] WD76 WD? 09 03 12.247 -05 09 15.12           ~ 1 0
60 [BKM2016] WD68 WD? 09 03 13.5800931528 -04 56 10.404733776           ~ 3 0
61 [BKM2016] WD102 * 09 03 16.456 -04 18 52.55           ~ 1 0
62 [BKM2016] WD75 WD? 09 03 21.462 -05 12 12.36           ~ 1 0
63 [BKM2016] WD71 WD? 09 03 27.0273801360 -04 59 53.686282668           ~ 3 0
64 [BKM2016] WD105 * 09 03 27.186 -04 51 38.87           ~ 1 0
65 [BKM2016] WD12 WD? 09 03 27.520 -04 01 30.75           ~ 1 0
66 [BKM2016] WD78 WD? 09 03 27.522 -05 08 31.90           ~ 1 0
67 [BKM2016] WD88 WD? 09 03 34.521 -05 15 44.04           ~ 1 0
68 [BKM2016] WD36 WD? 09 03 37.044 -04 30 00.25           ~ 1 0
69 [BKM2016] WD77 WD? 09 03 37.585 -05 08 36.19           ~ 1 0
70 [BKM2016] WD3 * 09 03 46.162 -03 40 30.48           ~ 1 0
71 [BKM2016] WD96 WD? 09 03 47.282 -05 29 36.03           ~ 1 0
72 [BKM2016] WD2 WD? 09 03 54.618 -03 38 39.80           ~ 1 0
73 [BKM2016] WD101 * 09 03 57.360 -04 10 05.15           ~ 1 0
74 [BKM2016] WD69 WD? 09 04 05.2664187914 -05 03 38.843434975           ~ 2 0
75 [BKM2016] WD95 WD? 09 04 07.870 -05 30 48.87           ~ 1 0
76 [BKM2016] WD72 * 09 04 11.793 -05 00 22.72           ~ 1 0
77 [BKM2016] WD80 WD? 09 04 14.212 -05 07 43.64           ~ 1 0
78 [BKM2016] WD100 * 09 04 21.175 -05 25 48.63           ~ 1 0
79 [BKM2016] WD49 WD? 09 04 24.060 -04 42 09.28           ~ 1 0
80 [BKM2016] WD4 * 09 04 25.649 -03 38 22.40           ~ 1 0
81 [BKM2016] WD106 * 09 04 26.115 -04 53 15.53           ~ 1 0
82 [BKM2016] WD94 WD? 09 04 29.883 -05 31 08.43           ~ 1 0
83 GALEX J090430.8-041119 WD? 09 04 30.8241457464 -04 11 20.994057096           ~ 3 0
84 [BKM2016] WD99 WD? 09 04 35.7308502084 -05 27 14.744724588           ~ 2 0
85 [BKM2016] WD97 WD? 09 04 36.645 -05 28 29.38           ~ 1 0
86 [BKM2016] WD79 WD? 09 04 39.690 -05 07 55.55           ~ 1 0
87 [BKM2016] WD82 * 09 04 40.744 -05 13 37.37           ~ 1 0
88 [BKM2016] WD109 * 09 04 45.920 -04 50 24.99           ~ 1 0
89 [BKM2016] WD37 WD? 09 04 46.656 -04 26 23.03           ~ 1 0
90 [BKM2016] WD81 WD? 09 04 49.739 -05 05 30.97           ~ 1 0
91 [BKM2016] WD111 * 09 04 50.934 -04 55 44.54           ~ 1 0
92 [BKM2016] WD98 WD? 09 04 52.030 -05 25 00.85           ~ 1 0
93 [BKM2016] WD38 * 09 04 52.118 -04 30 40.88           ~ 1 0
94 [BKM2016] WD14 WD? 09 04 57.617 -03 56 20.60           ~ 1 0
95 [BKM2016] WD51 WD? 09 05 00.121 -04 41 50.94           ~ 1 0
96 [BKM2016] WD53 WD? 09 05 00.423 -04 38 59.82           ~ 1 0
97 [BKM2016] WD110 * 09 05 01.443 -05 01 12.04           ~ 1 0
98 [BKM2016] WD39 WD? 09 05 02.547 -04 28 31.63           ~ 1 0
99 [BKM2016] WD107 * 09 05 11.544 -04 52 46.65           ~ 1 0
100 [BKM2016] WD8 * 09 05 12.076 -03 47 54.30           ~ 1 0
101 [BKM2016] WD7 WD? 09 05 13.214 -03 48 24.98           ~ 1 0
102 [BKM2016] WD55 WD? 09 05 22.859 -04 43 06.45           ~ 1 0
103 [BKM2016] WD108 * 09 05 23.307 -04 51 27.69           ~ 1 0
104 [BKM2016] WD52 WD? 09 05 26.129 -04 40 15.36           ~ 1 0
105 [BKM2016] WD21 WD? 09 06 03.231 -04 11 22.27           ~ 1 0
106 [BKM2016] WD31 WD? 09 06 03.757 -04 16 18.00           ~ 1 0
107 [BKM2016] WD22 WD? 09 06 04.419 -04 10 30.53           ~ 1 0
108 [BKM2016] WD50 WD? 09 06 04.844 -04 42 06.90           ~ 1 0
109 [BKM2016] WD54 WD? 09 06 05.081 -04 36 07.06           ~ 1 0
110 [BKM2016] WD30 WD? 09 06 16.751 -04 20 49.52           ~ 1 0
111 [BKM2016] WD112 * 09 06 38.068 -05 00 19.04           ~ 1 0
112 LBQS 1145+0145 WD* 11 48 33.6297189672 +01 28 59.420446860           DB 216 0
113 PSR J1738+0333 Psr 17 38 53.966386 +03 33 10.87200           ~ 191 1

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