2011A&A...528A..90N

Query : 2011A&A...528A..90N

2011A&A...528A..90N - Astronomy and Astrophysics, volume 528A, 90-90 (2011/4-1)

Short period eclipsing binary candidates identified using SuperWASP.

NORTON A.J., PAYNE S.G., EVANS T., WEST R.G., WHEATLEY P.J., ANDERSON D.R., BARROS S.C.C., BUTTERS O.W., COLLIER CAMERON A., CHRISTIAN D.J., ENOCH B., FAEDI F., HASWELL C.A., HELLIER C., HOLMES S., HORNE K.D., KANE S.R., LISTER T.A., MAXTED P.F.L., PARLEY N., POLLACCO D., SIMPSON E.K., SKILLEN I., SMALLEY B., SOUTHWORTH J. and STREET R.A.

Abstract (from CDS):

We present light curves and periods of 53 candidates for short period eclipsing binary stars identified by SuperWASP. These include 48 newly identified objects with periods <2x104s (∼0.23d), as well as the shortest period binary known with main sequence components (GSC2314-0530 = 1SWASP J022050.85+332047.6) and four other previously known W UMa stars (although the previously reported periods for two of these four are shown to be incorrect). The period distribution of main sequence contact binaries shows a sharp cut-off at a lower limit of around 0.22d, but until now, very few systems were known close to this limit. These new candidates will therefore be important for understanding the evolution of low mass stars and to allow investigation of the cause of the period cut-off.

Abstract Copyright: ∼

Journal keyword(s): binaries: eclipsing - stars: individual: GSC2314-0530 - stars: individual: NY Vir - stars: individual: V1067 Her - stars: individual: V1104 Her

VizieR on-line data: <Available at CDS (J/A+A/528/A90): table1.dat>

Simbad objects: 61

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Number of rows : 61
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 1SWASP J000437.82+033301.2 EB? 00 04 37.8402415152 +03 33 01.142186688     14.53     ~ 7 0
2 1SWASP J003033.05+574347.6 EB* 00 30 33.1069518744 +57 43 47.296083324     14.89     ~ 7 0
3 V* V523 Cas EB* 00 40 06.2679105096 +50 14 15.518292216   11.698 10.62 9.969 9.388 K4V 167 0
4 1SWASP J004050.63+071613.9 EB* 00 40 50.6720557152 +07 16 13.733691996 13.04 12.90 12.18 11.76 11.30 ~ 6 0
5 V* BX Tri EB* 02 20 50.850720 +33 20 47.55228   14.86 13.37 12.98 10.98 M2e 50 0
6 1SWASP J022727.03+115641.7 * 02 27 27.0423002160 +11 56 41.618368788     14.95     ~ 7 1
7 1SWASP J030749.87-365201.7 EB* 03 07 49.9296035472 -36 52 02.123347944     14.65 14.64   ~ 10 0
8 1SWASP J034439.97+030425.5 EB* 03 44 39.9789998856 +03 04 25.420918476     13.79     ~ 8 0
9 1SWASP J040615.79-425002.3 EB* 04 06 15.8287303944 -42 50 02.335399800     14.14     ~ 7 0
10 1SWASP J041120.40-230232.3 EB* 04 11 20.5977050664 -23 02 33.149614848     13.95     ~ 6 0
11 1SWASP J041655.13-492709.8 EB* 04 16 55.1549361696 -49 27 09.807210252     15.04     ~ 5 0
12 1SWASP J044132.96+440613.7 EB* 04 41 32.9571853128 +44 06 13.498421760     14.19     ~ 13 0
13 ASAS J050905-0741.7 EB* 05 09 04.4454771192 -07 41 44.254513500   14.28 13.30 13.29   ~ 12 0
14 1SWASP J051501.18-021948.7 EB* 05 15 01.1166177072 -02 19 50.444335632     14.53 14.346 13.747 ~ 6 0
15 ASAS J052037+0304.1 EB* 05 20 36.8482214256 +03 04 02.284200912     12.35     ~ 6 0
16 UCAC4 673-043094 * 05 54 18.4463190984 +44 25 49.506078540       14.60   ~ 3 0
17 NSVS 7178717 EB* 06 45 01.2244405485 +34 21 54.651662131   15.298 14.11     K4-5 16 0
18 ASAS J071829-0336.7 EB* 07 18 28.7295531912 -03 36 39.149845380   15.14 13.83 13.36   ~ 12 0
19 1SWASP J074658.62+224448.5 EB* 07 46 58.6433536080 +22 44 48.244280604     14.13     ~ 22 0
20 1SWASP J080150.03+471433.8 EB* 08 01 50.0297088792 +47 14 33.429534972     13.40     ~ 21 0
21 StKM 1-704 EB* 08 31 27.877776 +19 53 03.50628   11.52 10.38 10.04 9.125 K4 42 0
22 1SWASP J092328.76+435044.8 EB? 09 23 28.76 +43 50 44.8     13.03     ~ 3 0
23 1SWASP J092756.25-391119.2 EB? 09 27 56.25 -39 11 19.2     11.77     ~ 3 0
24 RX J0930.1+5339 EB* 09 30 10.770144 +53 38 59.63712   10.52 9.54 9.28   ~ 32 0
25 ASAS J111932-3950.8 EB* 11 19 31.4887587277 -39 50 48.376232939   11.51 11.02     G6V+G6V 8 0
26 ASAS J113031-0101.9 EB* 11 30 30.8280184848 -01 01 57.037721268     13.33     ~ 11 0
27 1SWASP J114929.22-423049.0 EB* 11 49 29.1970502328 -42 30 48.922377264   15.56 14.33 13.48 12.67 ~ 5 0
28 1SWASP J115557.80+072010.8 EB* 11 55 57.8607098424 +07 20 11.165364636     15.18 15.41   ~ 6 0
29 TYC 5518-774-1 EB? 11 56 05.8865933232 -09 13 00.747808752   12.65 12.22     ~ 4 0
30 1SWASP J120110.98-220210.8 EB* 12 01 10.9716789168 -22 02 10.740845796   16.13 15.01 14.32 13.72 ~ 6 0
31 V* CC Com EB* 12 12 06.0378799056 +22 31 58.682832024   13.09 11.42 10.543 10.085 K4/5V 214 0
32 1SWASP J121906.35-240056.9 EB* 12 19 06.3292423176 -24 00 56.956266828     15.25     ~ 9 0
33 V* RW Com EB* 12 33 00.2840199504 +26 42 58.361790816   12.33 11.682 10.929 9.977 G8e 162 0
34 1SWASP J130920.49-340919.9 EB* 13 09 20.4733104288 -34 09 19.965988332     13.91     ~ 6 0
35 TYC 895-616-1 EB* 13 31 05.8411652424 +12 15 38.395607292   11.74 10.667 10.56   ~ 19 0
36 V* NY Vir HS* 13 38 48.1466908176 -02 01 49.207286748   13.43 13.66 13.75   sdB1VIIHe1 226 1
37 ATO J215.8025-22.4070 EB? 14 23 12.6202307568 -22 24 25.281423648     13.19     ~ 7 0
38 1SWASP J150822.80-054236.9 EB* 15 08 22.7872590552 -05 42 36.898208784     12.45 12.306   ~ 16 0
39 1SWASP J151652.90+004835.8 EB? 15 16 52.8660683328 +00 48 35.557232436     13.97     ~ 4 0
40 1SWASP J155822.10-025604.8 EB* 15 58 22.0970365128 -02 56 04.862017716   14.870 13.87     ~ 12 0
41 1SWASP J160156.04+202821.6 EB* 16 01 56.0393264112 +20 28 21.535058244     13.81     ~ 20 0
42 1SWASP J161334.28-284706.7 EB? 16 13 34.2875336304 -28 47 06.727284348     12.43     ~ 4 0
43 ROTSE1 J170240.11+151122.7 EB* 17 02 40.0602010104 +15 11 23.473735728     13.56     ~ 9 0
44 V* V1498 Her EB* 17 30 03.2226800712 +34 45 09.372871368     13.78     ~ 10 0
45 1SWASP J173828.46+111150.2 EB? 17 38 28.46 +11 11 50.5     13.80     ~ 8 0
46 V* V1067 Her EB* 17 43 10.9789967640 +43 27 09.456982380   13.359 13.513 12.889 11.663 ~ 39 0
47 OGLE BW3 V38 EB* 18 04 44.2025491872 -30 09 05.497738668     18.300   16.3335 ~ 43 0
48 V* V1104 Her EB* 18 09 47.6414646096 +49 02 54.991909536   14.0 13.51 13.560   ~ 36 0
49 1SWASP J183738.17+402427.2 EB* 18 37 38.1838682976 +40 24 27.090466956     14.45     ~ 4 0
50 1SWASP J195900.31-252723.1 EB? 19 59 00.3326992861 -25 27 22.997672687     14.64     ~ 6 0
51 1SWASP J210318.76+021002.2 EB? 21 03 18.7650640032 +02 10 02.175300984     13.00     ~ 9 0
52 UCAC4 488-136818 dS* 21 04 23.5766263910 +07 31 41.941988590   14.990 13.960 13.960   ~ 5 0
53 1SWASP J212454.61+203030.8 EB? 21 24 54.61 +20 30 30.8     14.35     ~ 9 0
54 CRTS J212808.8+151622 EB* 21 28 08.8584368496 +15 16 21.937443456   16.108 14.49     ~ 15 0
55 CRTS J214510.1-494401 EB* 21 45 10.250 -49 44 01.64     14.55     ~ 4 0
56 ATO J331.8936+26.9245 EB? 22 07 34.4723910216 +26 55 28.460505180     14.25     ~ 6 0
57 1SWASP J221058.82+251123.4 EB? 22 10 58.82 +25 11 23.4     15.13     ~ 4 0
58 CRTS J224747.1-351850 EB* 22 47 47.2057185336 -35 18 49.732010532     13.89     ~ 7 0
59 1SWASP J232607.07-294130.7 EB? 23 26 07.07 -29 41 30.7     13.71     ~ 3 0
60 StKM 1-2148 EB* 23 44 01.8132261120 -21 22 29.099158536   12.84 11.70 11.50   K4 17 0
61 ATO J358.3899+45.8794 EB? 23 53 33.5999148024 +45 52 45.888028500     14.75     ~ 4 0

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