2011AJ....142..155W

Query : 2011AJ....142..155W

2011AJ....142..155W - Astron. J., 142, 155 (2011/November-0)

Photometry of variable stars from Dome A, Antarctica.

WANG L., MACRI L.M., KRISCIUNAS K., WANG L., ASHLEY M.C.B., CUI X., FENG L.-L., GONG X., LAWRENCE J.S., LIU Q., LUONG-VAN D., PENNYPACKER C.R., SHANG Z., STOREY J.W.V., YANG H., YANG J., YUAN X., YORK D.G., ZHOU X., ZHU Z. and ZHU Z.

Abstract (from CDS):

Dome A on the Antarctic plateau is likely one of the best observing sites on Earth thanks to the excellent atmospheric conditions present at the site during the long polar winter night. We present high-cadence time-series aperture photometry of 10,000 stars with i < 14.5 mag located in a 23 deg2 region centered on the south celestial pole. The photometry was obtained with one of the CSTAR telescopes during 128 days of the 2008 Antarctic winter. We used this photometric data set to derive site statistics for Dome A and to search for variable stars. Thanks to the nearly uninterrupted synoptic coverage, we found six times as many variables as previous surveys with similar magnitude limits. We detected 157 variable stars, of which 55% were unclassified, 27% were likely binaries, and 17% were likely pulsating stars. The latter category includes δ Scuti, γ Doradus, and RR Lyrae variables. One variable may be a transiting exoplanet.

Abstract Copyright: ∼

Journal keyword(s): site testing - stars: variables: general

VizieR on-line data: <Available at CDS (J/AJ/142/155): table3.dat table6.dat>

Nomenclature: Table 3: [WMK2011] CSTAR NNNNNN N=157 among (Nos 572-136863).

Simbad objects: 160

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Number of rows : 160
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 V* ST Oct Mi* 00 00 52.8796635240 -87 54 27.111308976           ~ 7 0
2 TYC 9498-800-1 EB* 00 01 17.1713824776 -87 44 02.807947140   13.51 12.06 12.31   ~ 4 0
3 [WMK2011] CSTAR 119488 Ir* 00 08 43.7421207336 -88 13 47.941789188           ~ 3 0
4 [WMK2011] CSTAR 82180 dS* 00 30 00.1002617880 -89 30 19.956730608           ~ 2 0
5 TYC 9502-198-1 V* 00 31 15.9027392112 -88 55 18.009689376   11.72 11.24     ~ 4 0
6 GSC 09502-00348 SB* 00 45 26.5529619552 -88 25 21.018728820   12.86 12.04 11.93   ~ 3 1
7 TYC 9502-197-1 V* 00 46 05.2549784520 -89 31 34.838693400   13.37 11.48     ~ 1 0
8 2MASS J00524246-8917319 EB* 00 52 42.5009493744 -89 17 32.128406196           ~ 6 0
9 [WMK2011] CSTAR 118705 V* 00 53 27.1502576784 -88 12 41.000787576           ~ 2 0
10 TYC 9502-22-1 V* 00 55 45.9468673248 -88 09 10.945946484   12.55 11.52     ~ 2 0
11 [WMK2011] CSTAR 128178 V* 01 08 04.9780127088 -87 47 58.763115672           ~ 1 0
12 [WMK2011] CSTAR 87501 dS* 01 23 02.4020319960 -89 17 09.080027124           ~ 4 0
13 [WMK2011] CSTAR 83110 V* 02 11 03.0345194160 -89 22 49.794754944           ~ 2 0
14 TYC 9503-171-1 V* 02 12 56.0386216272 -88 13 52.433014260   12.97 11.09     ~ 3 0
15 [WMK2011] CSTAR 117654 V* 02 18 11.6332749792 -87 56 10.998587148           ~ 2 0
16 GSC2.3 S0SI000269 LP? 02 42 27.8541656856 -88 04 22.145316060           ~ 4 0
17 TYC 9499-825-1 V* 02 47 02.4880107624 -87 47 06.954992808   12.27 11.96     ~ 1 0
18 TYC 9499-856-1 V* 02 55 24.4630665912 -87 48 18.616024404   12.41 12.26     ~ 1 0
19 [WMK2011] CSTAR 121389 V* 03 02 08.6451181344 -87 22 52.968944748           ~ 1 0
20 [WMK2011] CSTAR 85719 V* 03 08 18.8530309776 -89 06 31.759245900           ~ 2 0
21 2MASS J03112278-8915130 EB* 03 11 22.9441469016 -89 15 13.064806692           ~ 3 0
22 2MASS J03224315-8723341 EB* 03 22 43.2421321728 -87 23 34.121058576           ~ 2 0
23 [WMK2011] CSTAR 86480 V* 03 44 10.3913502912 -88 52 09.237062316           ~ 2 0
24 [WMK2011] CSTAR 98092 V* 03 54 40.6610152752 -88 02 50.287994592           ~ 2 0
25 2MASS J04024455-8722262 LP? 04 02 44.4268404984 -87 22 26.139796284           ~ 2 0
26 ASASSN-V J042021.53-882511.6 dS* 04 20 12.9388049688 -88 25 03.148325508           ~ 5 0
27 CPD-87 79 PM* 04 36 31.0776428208 -87 28 03.482367060   12.55 11.553   10.448 K2Ve 9 0
28 2MASS J05132951-8719426 EB* 05 13 29.5738176072 -87 19 42.678294672           ~ 2 0
29 2MASS J05154831-8804230 EB* 05 15 48.4416495504 -88 04 23.142825768           ~ 3 0
30 TYC 9504-81-1 V* 05 15 49.7153223552 -88 17 51.554700312   13.03 11.44     ~ 3 0
31 [WMK2011] CSTAR 73028 V* 05 30 58.6720162272 -88 30 04.301644068           ~ 1 0
32 2MASS J05431919-8804040 LP* 05 43 19.1505552888 -88 04 04.052673912           ~ 4 0
33 CD-87 32 gD* 05 47 07.9532709288 -87 51 00.127339776   10.64 10.22     F0 6 0
34 [WMK2011] CSTAR 69430 V* 05 48 54.0212687136 -88 30 16.323034788           ~ 1 0
35 [WMK2011] CSTAR 68308 V* 05 50 32.0658968952 -89 06 45.500506596           ~ 2 0
36 [WMK2011] CSTAR 68493 V* 05 55 29.7996989544 -87 57 06.444967716           ~ 1 0
37 [WMK2011] CSTAR 66682 V* 06 03 04.6910196096 -88 29 28.899738816           ~ 1 0
38 [WMK2011] CSTAR 64380 V* 06 10 27.6187159632 -87 53 32.709271920           ~ 2 0
39 [WMK2011] CSTAR 63241 dS* 06 12 09.1488504432 -87 27 15.807579768           ~ 1 0
40 [WMK2011] CSTAR 62854 V* 06 23 14.4003988032 -88 33 35.218212624           ~ 1 0
41 2MASS J06284195-8802416 EB* 06 28 41.7669611568 -88 02 41.571841236           ~ 4 0
42 ASAS J064047-8815.4 EB* 06 40 47.0274435888 -88 15 21.159299700   12.63 12.26     ~ 11 0
43 PPM 788670 Ir* 06 49 52.2870167040 -89 21 58.344852060     10.6     ~ 3 0
44 [WMK2011] CSTAR 47176 V* 07 12 13.8024991296 -87 51 19.605438828           ~ 2 0
45 2MASS J07165261-8728561 EB* 07 16 52.5975472848 -87 28 56.373908448           ~ 3 0
46 UPM J0739-8840 PM* 07 39 14.8544300280 -88 40 41.043845244   16.9   14.8   ~ 7 0
47 SV* BV 1040 EB* 07 43 52.8412551792 -89 07 36.954451884   12.4   12.90   ~ 8 0
48 [WMK2011] CSTAR 62683 V* 07 46 13.5429591912 -89 40 01.269908112           ~ 2 0
49 TYC 9505-167-1 Ir* 07 54 37.9756555056 -89 15 40.938245604   12.57 11.22     ~ 3 0
50 [WMK2011] CSTAR 40351 dS* 08 02 25.3526779584 -88 14 25.861570908           ~ 2 0
51 [WMK2011] CSTAR 53446 V* 08 05 02.2571337816 -89 07 54.721145820           ~ 2 0
52 2MASS J08084572-8800016 EB* 08 08 45.4505460528 -88 00 01.953940752           ~ 3 0
53 * gam02 Vel WR* 08 09 31.95013 -47 20 11.7108 0.64 1.58 1.83 1.85 2.00 WC8+O7.5III-V 951 0
54 [WMK2011] CSTAR 43885 V* 08 17 15.4217087904 -88 37 29.186024952           ~ 2 0
55 [WMK2011] CSTAR 48452 V* 08 21 18.73 -88 55 48.2           ~ 1 0
56 [WMK2011] CSTAR 30353 V* 08 39 39.3845927448 -88 03 19.413769896           ~ 2 0
57 2MASS J08402733-8847003 EB* 08 40 27.2510140536 -88 47 00.140382564           ~ 5 0
58 GSC2.3 S3YN000517 LP? 08 40 33.3867426576 -87 28 38.608470912           ~ 3 0
59 ASAS J084613-8833.7 EB* 08 46 10.9986964176 -88 33 42.777503532           K4 33 0
60 TYC 9514-541-1 EB* 09 02 20.6206527096 -87 37 41.006756244   12.57 12.26     ~ 4 0
61 TYC 9518-443-1 EB* 09 03 59.1362955984 -88 33 07.526462868   12.19 11.72     ~ 8 0
62 [WMK2011] CSTAR 13432 V* 09 10 17.7071812944 -87 24 05.970600828           ~ 1 0
63 V* W Oct Ce* 09 28 57.6326211168 -88 29 36.758089680   11.50       ~ 2 0
64 [WMK2011] CSTAR 32007 RR* 09 29 39.1948409568 -88 30 06.306598980           ~ 4 0
65 TOI-1105 V* 09 44 15.0092565600 -89 28 17.589547920   12.43 11.33     ~ 4 0
66 [WMK2011] CSTAR 34389 V* 09 49 56.5470562656 -88 41 27.108202740           ~ 1 0
67 2MASS J09583480-8823599 EB* 09 58 34.7349399432 -88 24 00.052147692           ~ 3 0
68 CPD-88 97 SB* 10 01 18.8001936192 -88 44 36.786080616   11.50 10.52     ~ 4 0
69 TYC 9519-37-1 El* 10 01 21.5469241632 -88 13 30.911702880   12.30 12.58     ~ 4 0
70 [WMK2011] CSTAR 14368 LP* 10 03 09.9094664400 -87 51 06.202434348           ~ 4 0
71 2MASS J10125517-8738229 RR* 10 12 54.9786745608 -87 38 22.942150476           ~ 8 0
72 TYC 9515-1131-1 V* 10 14 50.4964104504 -87 36 23.779628640   12.35 11.12     ~ 2 0
73 TYC 9515-907-1 V* 10 25 53.9972377752 -87 53 40.934278608   13.74 11.69     ~ 3 0
74 2MASS J10401567-8729298 EB* 10 40 15.5927935104 -87 29 29.823331632           ~ 3 0
75 HD 94965 Pu* 10 43 46.6154436504 -87 25 10.055392176   9.85 9.69     A0V 6 0
76 [WMK2011] CSTAR 14495 V* 10 48 59.8914983328 -88 02 17.274131232           ~ 2 0
77 [WMK2011] CSTAR 38580 PM* 10 50 09.8344878192 -88 59 54.180365604           M3.5 8 0
78 [WMK2011] CSTAR 11616 V* 10 56 28.1330759808 -87 55 21.132329700           ~ 2 0
79 [WMK2011] CSTAR 28221 V* 11 04 04.6721488896 -88 38 02.727843468           ~ 2 0
80 [WMK2011] CSTAR 572 dS* 11 11 20.9196648287 -87 18 01.024153068           ~ 2 0
81 [WMK2011] CSTAR 26640 LP? 11 17 00.4998289176 -88 35 36.390534576   13.05 11.74     ~ 5 0
82 TYC 9519-314-1 SB* 11 48 09.1705729896 -88 49 52.490820720   12.37 11.13     ~ 3 0
83 TYC 9520-179-1 V* 12 01 19.3727676624 -88 30 46.188028656   11.91 11.36     ~ 1 0
84 [WMK2011] CSTAR 3697 V* 12 08 11.4299320848 -87 35 39.758591148           ~ 2 0
85 [WMK2011] CSTAR 23614 V* 12 09 32.7990439944 -88 29 59.468000172           ~ 2 0
86 TYC 9520-448-1 V* 12 12 56.3770768248 -88 34 11.569859976   12.12 11.27     ~ 4 0
87 TYC 9516-461-1 EB* 12 21 36.2392602888 -88 00 14.447928204   12.34 12.12     ~ 6 0
88 V* EI Oct EB* 12 32 42.9920684088 -87 26 22.815759876   12.24 11.72     ~ 10 0
89 [WMK2011] CSTAR 3850 V* 12 34 24.9636254760 -87 34 37.817296320           ~ 2 0
90 [WMK2011] CSTAR 39541 V* 12 36 22.7732665488 -89 04 03.204867432           ~ 3 0
91 GSC2.3 S742000078 LP? 12 39 58.0554791448 -87 41 37.291809840           ~ 3 0
92 TYC 9516-277-1 EB* 12 41 43.6209734608 -87 58 28.544068002   12.72 11.90     ~ 4 0
93 [WMK2011] CSTAR 37271 V* 12 42 13.0886610960 -88 59 05.459559792           ~ 1 0
94 TYC 9516-665-1 V* 12 43 31.1675040504 -87 53 30.927586560   13.00 12.32     ~ 4 0
95 [WMK2011] CSTAR 16836 dS* 12 49 18.0336738984 -88 11 17.467329444           ~ 4 0
96 [WMK2011] CSTAR 44751 PM* 13 01 26.5186574088 -89 13 47.400025800           ~ 2 0
97 [WMK2011] CSTAR 27082 V* 13 19 16.4005019040 -88 33 01.195471548           ~ 1 0
98 2MASS J13234810-8816047 EB* 13 23 48.2210175768 -88 16 04.803088692           ~ 5 0
99 TYC 9520-360-1 V* 13 50 03.6736424112 -88 46 13.144430964   11.78 11.07     ~ 4 0
100 2MASS J13531738-8854152 EB* 13 53 17.2776428448 -88 54 15.229040076           ~ 5 0
101 [WMK2011] CSTAR 25846 V* 14 25 38.3399688288 -88 14 54.626626356           ~ 2 0
102 [WMK2011] CSTAR 14111 dS* 14 29 01.4149672848 -87 38 16.339246620           ~ 4 0
103 V* Y Oct RR* 14 29 04.4639089632 -88 38 43.685447136   12.98 12.04 12.43   ~ 31 1
104 [WMK2011] CSTAR 27575 V* 14 31 53.8556427888 -88 17 39.869544444           ~ 1 0
105 [WMK2011] CSTAR 42081 V* 14 51 20.5940980704 -88 51 54.183896496           ~ 1 0
106 V* EO Oct LP* 14 54 21.3106723200 -87 21 05.010554268           ~ 7 0
107 [WMK2011] CSTAR 36939 V* 15 25 11.4748517304 -88 23 15.493332948           ~ 2 0
108 [WMK2011] CSTAR 37016 dS* 15 28 41.4357598848 -88 21 44.669125656           ~ 2 0
109 [WMK2011] CSTAR 36526 LP? 15 35 00.5839177800 -88 16 12.772118928   16.174   14.307   ~ 5 0
110 [WMK2011] CSTAR 48615 V* 15 44 39.0157341504 -88 54 19.432476504           ~ 1 0
111 V* FF Oct RS* 15 57 05.5179111240 -87 30 05.265842652   13.854 12.708 12.505   ~ 5 0
112 [WMK2011] CSTAR 36508 V* 16 32 13.3014042264 -87 16 16.896044172           ~ 1 0
113 TYC 9534-317-1 PM* 16 44 10.4047839624 -88 38 20.075010144   12.23 11.34     ~ 3 0
114 TYC 9534-22-1 V* 17 05 15.8233683768 -89 51 43.910172540   12.77 11.49     ~ 3 0
115 TYC 9530-994-1 V* 17 10 42.8621936280 -87 30 09.165601728   12.67 11.43     ~ 2 0
116 CPD-87 257 V* 17 13 18.7045804488 -87 42 28.623150324   11.14 10.04     ~ 2 0
117 [WMK2011] CSTAR 57344 V* 17 13 43.0072829496 -88 24 52.583901408           ~ 2 0
118 TYC 9534-390-1 V* 17 15 45.5738634936 -89 00 42.804315000   10.99 10.77     ~ 3 0
119 [WMK2011] CSTAR 57247 V* 17 18 35.6673668712 -88 12 47.435235804           ~ 1 0
120 [WMK2011] CSTAR 61740 V* 17 23 25.6630784376 -88 53 37.658708088           ~ 2 0
121 [WMK2011] CSTAR 61783 dS* 17 25 37.2806644488 -88 49 50.843945964           ~ 3 0
122 TYC 9534-335-1 dS* 17 36 45.8370165120 -88 14 10.643041860   11.61 11.20     ~ 3 0
123 2MASS J17472865-8846094 mul 17 47 28.66 -88 46 09.4   13.740 12.450 13.240   M3.5 5 0
124 [WMK2011] CSTAR 64944 V* 17 51 13.5505892592 -88 09 49.005256824           ~ 3 0
125 GSC2.3 S741000378 LP? 17 59 01.2457884576 -88 01 33.188620620           ~ 4 0
126 TYC 9535-134-1 V* 18 08 15.0003544032 -88 18 02.830542876   11.75 11.10     ~ 3 0
127 TYC 9535-283-1 V* 18 22 33.3821511816 -89 36 22.943941200   12.50 12.41     ~ 3 0
128 V* RW Oct RR* 18 29 04.7062207224 -88 32 32.143031412           ~ 8 0
129 CPD-88 148 EB* 18 30 58.0343986752 -88 43 17.477248620   10.60 10.12     F5 8 0
130 [WMK2011] CSTAR 73846 V* 18 35 38.8427702232 -88 33 45.956525940           ~ 1 0
131 TYC 9531-167-1 gD* 18 48 23.5038223416 -87 43 16.373162748   11.98 11.63     ~ 3 0
132 2MASS J18583595-8812554 SB* 18 58 36.1794062712 -88 12 55.366142256           ~ 4 0
133 2MASS J19002303-8847536 LP* 19 00 23.3421246504 -88 47 53.853721476           ~ 3 0
134 CPD-88 151 V* 19 08 12.8303558160 -88 49 18.508440864   11.05 10.40     ~ 2 0
135 [WMK2011] CSTAR 81749 V* 19 11 53.61 -88 27 14.9           ~ 2 0
136 TYC 9535-147-1 El* 19 17 52.7371505712 -88 51 11.100564648   13.01 12.39     ~ 5 0
137 [WMK2011] CSTAR 85531 V* 19 20 10.4108330256 -88 14 04.088801256           ~ 1 0
138 [WMK2011] CSTAR 81563 PM* 19 33 30.0457732824 -88 48 45.236919348           ~ 1 0
139 2MASS J19382923-8850562 EB* 19 38 28.9006669248 -88 50 56.269887180           ~ 4 0
140 2MASS J19430559-8746524 RR* 19 43 05.5805636736 -87 46 52.546073412           ~ 7 0
141 [WMK2011] CSTAR 89391 V* 19 43 41.6645942304 -88 19 20.810725032           ~ 2 0
142 HD 156092 V* 19 48 56.9566693248 -89 07 14.304638712   11.05 10.92     A 8 0
143 2MASS J19502673-8744506 EB* 19 50 26.6453069376 -87 44 50.685305676           ~ 4 0
144 [WMK2011] CSTAR 76135 LP* 19 53 22.1402703336 -89 22 46.371655380           ~ 5 0
145 TYC 9532-864-1 EB* 20 02 18.5341678968 -88 02 49.886580624   13.07 12.78     ~ 4 0
146 TYC 9532-729-1 EB* 20 28 29.6796094680 -87 46 16.479143364   12.91 12.27     ~ 6 0
147 2MASS J20573329-8903503 EB* 20 57 33.1917408192 -89 03 50.317563024           ~ 4 0
148 V* RS Oct RR* 21 47 16.9032860328 -87 39 06.418931724     12.34     ~ 31 0
149 [WMK2011] CSTAR 106769 V* 22 04 28.2760474680 -88 29 34.556481096           ~ 1 0
150 2MASS J22051862-8952065 EB* 22 05 16.4129384832 -89 52 06.698164152           ~ 4 0
151 [WMK2011] CSTAR 93873 LP? 22 17 45.7742207088 -89 01 38.006500080           ~ 5 0
152 HD 199624 gD* 22 23 40.7552325168 -88 53 42.967592088   10.19 9.71     A5 8 0
153 TYC 9533-233-1 SB* 22 37 07.1148720384 -87 28 49.849560444   12.12 11.82     ~ 5 0
154 [WMK2011] CSTAR 77508 dS* 22 53 10.1653315344 -89 38 40.710389892           ~ 3 0
155 2MASS J23012368-8722200 LP* 23 01 23.9723658984 -87 22 19.900127280   13.10 11.02     ~ 3 0
156 [WMK2011] CSTAR 84344 V* 23 01 32.2643823600 -89 25 01.505316324           ~ 2 0
157 HD 116751 V* 23 03 19.6003773552 -89 39 40.392969768   10.78 10.28     K0 7 0
158 [WMK2011] CSTAR 121369 V* 23 15 36.0803702184 -88 07 33.639153888           ~ 3 0
159 [WMK2011] CSTAR 123934 V* 23 52 30.9250358040 -88 03 49.272363684           ~ 2 0
160 NAME SCP reg ~ ~           ~ 113 0

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