2014MNRAS.441.3543B

Query : 2014MNRAS.441.3543B

2014MNRAS.441.3543B - Mon. Not. R. Astron. Soc., 441, 3543-3549 (2014/July-2)

Possible planets around A stars.

BALONA L.A.

Abstract (from CDS):

Kepler photometry of A stars shows that a considerable fraction (about 19 per cent) have a peculiar feature in the periodogram. This feature consists of a broad peak, thought to be due to differential rotation in a spotted star, and a sharp peak at slightly higher frequency. The pattern clearly involves some widespread stellar property and the sharp peak implies a strictly coherent periodicity. We investigate the possibility that the periodicity is due to rotation, pulsation or an orbital effect. We argue that neither rotation nor pulsation can provide a suitable, testable, explanation. We suggest that the sharp feature could be due to a planet in synchronous orbit around the rapidly rotating, spotted A star, not necessarily in transit. Spectroscopic observations of sufficient precision are required to falsify this hypothesis.

Abstract Copyright: © 2014 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): stars: activity - stars: oscillations - planetary systems - stars: rotation

VizieR on-line data: <Available at CDS (J/MNRAS/441/3543): table1.dat>

Simbad objects: 176

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Number of rows : 176
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 1160 * 00 15 57.3019549776 +04 15 04.009943520   7.159 7.119     A0V 100 1
2 HD 15082b Pl 02 26 51.0582618096 +37 33 01.736482032           ~ 403 1
3 * gam Dor gD* 04 16 01.5866224848 -51 29 11.932714356   4.55 4.20     F1V 337 0
4 * bet Pic PM* 05 47 17.0876901 -51 03 59.441135 4.13 4.03 3.86 3.74 3.58 A6V 2087 1
5 * del Sct dS* 18 42 16.4268984096 -09 03 09.188922060   5.04 4.71     F2II-III 507 0
6 TYC 3548-231-1 * 18 55 55.3560840168 +49 23 06.379530180   10.93 10.74     ~ 8 0
7 TYC 3127-2016-1 Pe* 18 56 58.4055303480 +41 36 45.328123872   10.20 9.87     A2IVSrSiEu 11 0
8 HD 176708 * 18 59 00.9221766144 +49 19 09.893749800   7.54 7.46     A2V 21 0
9 TYC 3124-1545-1 V* 19 01 10.5320798736 +40 59 19.223723472   10.37 10.23     A2V 9 0
10 HD 177277 * 19 01 54.3826742952 +45 30 39.178476936   9.56 9.48     B7V 13 0
11 HD 177458 * 19 02 49.8010744032 +43 21 21.177046548   9.77 9.63     A 14 0
12 HD 177592 * 19 03 39.2580729312 +39 54 39.240699372   8.12 8.07     A0 25 0
13 TYC 3541-3001-1 dS* 19 04 36.0623324904 +46 03 37.850502924   10.73 10.63     A4Vn 12 0
14 TYC 3549-2630-1 * 19 07 04.8915842280 +49 05 28.035076740   11.81 11.68     A5IV 7 0
15 TYC 3542-1092-1 * 19 07 35.0049509352 +46 32 46.899956976   12.22 12.56     A8V 6 0
16 UCAC4 688-066818 Er* 19 07 44.7637576584 +47 32 42.421026516   13.232 13.274 13.399   ~ 6 0
17 BD+46 2629 ** 19 07 53.104944 +46 52 06.00420   10.12 9.70 9.80   kA2hA5mA7(IV)m: 173 0
18 TYC 3546-220-1 * 19 08 29.7085066128 +48 36 25.804933956   11.40 11.67     B9III 6 0
19 HD 179337 * 19 10 19.3054971408 +41 30 58.417912836   9.54 9.31     A6IV-V 14 0
20 TYC 3121-1076-1 * 19 10 38.1562555896 +38 23 57.112831896   12.40 11.58     A1V 9 0
21 KOI-2788 * 19 12 07.5574932792 +46 49 39.116156196           ~ 12 0
22 2MASS J19120818+4651091 dS* 19 12 08.1749077368 +46 51 09.081208548           F0V 6 0
23 TYC 3542-2292-1 * 19 12 18.0903410544 +45 55 37.672096548   12.01 11.78     A2V 8 0
24 BD+38 3478 * 19 12 28.5269143992 +38 44 51.692254728   10.20 10.06     A4V 16 0
25 TYC 3129-2543-1 dS* 19 13 14.2201698408 +42 54 49.553112348   11.94 11.98     A9V 8 0
26 HD 180637 * 19 15 08.0740075704 +46 10 25.781011212   9.28 9.29     B9.5V 18 0
27 BD+40 3639 * 19 15 14.7707708928 +40 43 45.300778752   9.42 9.36     A0.5Va+ 22 0
28 TYC 3129-2256-1 * 19 15 39.8713975680 +41 29 51.184207608   11.76 11.84     ~ 9 0
29 HD 180888 * 19 16 01.6625689872 +47 00 11.225939616   9.16 9.05     A2IV 18 0
30 GALEX J191612.1+474915 HS* 19 16 12.1066804632 +47 49 15.393417780           sdB+F/G 17 0
31 TYC 3554-525-1 dS* 19 16 49.7011515768 +50 46 41.539777968   11.91 11.73     ~ 5 0
32 TYC 3546-1602-1 * 19 17 27.7375639320 +47 44 36.512867328   11.36 11.29     A9V 9 0
33 TYC 3125-99-1 * 19 19 53.4929972784 +41 09 12.166052076   10.11 9.86     A7V 11 0
34 TYC 3134-1831-1 * 19 20 12.3872871696 +38 29 27.202373124   12.39 12.13     A7V 8 0
35 TYC 3555-966-1 * 19 21 47.6956612968 +51 40 30.378348444   11.30 11.13     A4V 9 0
36 GSC 03547-01876 dS* 19 21 51.3103204392 +48 03 43.507371708           kA4hA7mA8 8 0
37 HD 182613 * 19 23 00.5621181216 +51 02 02.883087492 8.880 8.760 8.590     A2 20 0
38 KOI-3191 Ro* 19 23 15.8495938992 +47 40 58.423162548   11.39 11.32     A4V 13 0
39 2MASS J19231896+3730270 Pe* 19 23 18.9711299256 +37 30 26.960480820           kA2hF0mF1SiEu 9 0
40 TYC 3134-1835-1 * 19 23 59.3225909592 +37 31 19.228558836   11.40 11.20     ~ 6 0
41 2MASS J19240366+4227355 * 19 24 03.6576400728 +42 27 35.617213332           ~ 5 0
42 KOI-5016 Ro* 19 24 15.4194634248 +38 58 14.309152716   10.23 9.99     ~ 19 0
43 TYC 3547-1796-1 * 19 24 18.6040657536 +47 44 02.810380488   12.44 12.39     B9III 7 0
44 TYC 3138-106-1 * 19 24 58.9048760544 +40 27 46.510004160   11.53 11.48     A3V 10 0
45 2MASS J19245958+4724483 * 19 24 59.5824228096 +47 24 48.264672924           ~ 4 0
46 BD+38 3580 dS* 19 25 08.3684518128 +39 08 24.089894772   9.59 9.55     B9IV-Vnn 12 0
47 2MASS J19252407+4506283 * 19 25 24.0708891552 +45 06 28.353132828           ~ 6 0
48 TYC 3547-1172-1 dS* 19 25 39.8956963224 +48 26 39.318631404   11.91 11.68     A6V 7 0
49 UCAC4 687-068661 V* 19 25 42.8225799936 +47 12 10.595549736   14.460 14.401 14.475   ~ 2 0
50 TYC 3543-3060-1 V* 19 26 17.1956460912 +45 01 59.892381372   12.04 12.44     A5V 6 0
51 TYC 3551-561-1 * 19 26 20.2917366480 +49 00 25.692730920   11.44 11.38     A5IV 9 0
52 TYC 3146-398-1 Pe* 19 26 33.5537992056 +43 45 49.453048476   10.13 9.85     A7III 14 0
53 TYC 3547-683-1 dS* 19 26 34.3781557008 +48 29 14.831543400   11.30 10.98     A9V 9 0
54 BD+38 3604 * 19 28 17.0362900896 +39 09 14.531776380   10.60 10.53     B9IV 15 0
55 TYC 3543-2208-1 Pe* 19 28 37.5075000936 +46 29 17.938594392   12.50 12.16     kA1hA5mA8Si 9 0
56 TYC 3547-1850-1 * 19 29 10.1175946752 +47 31 32.176601832   11.24 10.86     A2V 11 0
57 TYC 2667-800-1 Pe* 19 30 20.9892528888 +37 19 02.088009948   11.89 11.91     A4III 11 0
58 HD 184024 * 19 30 29.7571552584 +43 10 00.746357520   8.33 8.31     A0.5IVnn 24 0
59 TYC 3560-716-1 V* 19 31 24.8359018608 +48 29 15.142299972   10.52 10.33     A5IV 9 0
60 TYC 3139-714-1 Pe* 19 31 31.1042882112 +41 13 45.721164576   12.08 11.95     kA2hA6mA9SiEu 7 0
61 UCAC4 688-069958 V* 19 31 52.7402701800 +47 35 47.993845056   13.164 12.925 12.894   ~ 3 0
62 BD+47 2860 V* 19 32 33.5424296328 +48 01 28.405703784   9.82 9.74     A1V 11 0
63 2MASS J19324347+4135425 dS* 19 32 43.4752057512 +41 35 42.571316436           B8V 6 0
64 HD 184469 * 19 32 55.9357568688 +39 39 45.727299792   7.67 7.75     B9 27 0
65 2MASS J19332129+4605397 Pu* 19 33 21.3023716368 +46 05 39.784963704           B9V 8 0
66 2MASS J19344449+4439030 * 19 34 44.4939763296 +44 39 03.070199736           A7III 7 0
67 BD+45 2925 * 19 34 46.6854222096 +45 37 11.807030640   10.34 10.17     A1V 19 0
68 HD 184876 Pu* 19 34 52.7989351824 +39 26 47.202441684   9.07 9.04     B9.5Vn 14 0
69 BD+39 3825 Pe* 19 35 01.8877324176 +39 45 52.014539556   10.01 9.75     kA2hA5mA8 12 0
70 TYC 3139-2292-1 dS* 19 35 09.0558089760 +40 17 10.051473120   11.60 11.24     ~ 5 0
71 TYC 3135-587-1 * 19 35 24.1935010824 +39 22 23.715686856   11.35 11.18     ~ 4 0
72 TYC 3139-2394-1 * 19 36 08.9636438832 +40 41 05.479507644   10.34 10.09     ~ 10 0
73 HD 185265 * 19 36 26.9352692016 +41 53 33.896196492   7.53 7.53     A1IV-s 25 0
74 TYC 3556-1380-1 dS* 19 36 47.7621015596 +46 17 33.944342061   12.81 12.64     A9V 19 0
75 Cl* NGC 6811 SAN 77 Ro* 19 36 48.1625887392 +46 19 37.976623622   12.24 11.883   11.57 A5IV 27 0
76 KOI-3187 Pu* 19 36 49.8746297544 +39 47 21.408841284   11.35 11.21     ~ 7 0
77 TYC 3143-80-1 * 19 36 53.4030563304 +41 57 57.678977376   12.35 12.56     ~ 6 0
78 TYC 3143-1384-1 * 19 37 04.4824042680 +41 29 57.858413136   11.56 11.13     A2III 7 0
79 Cl* NGC 6811 SAN 118 * 19 37 12.1279149499 +46 10 12.874692186   12.83 12.519     ~ 15 0
80 2MASS J19372738+4222284 dS* 19 37 27.3840645792 +42 22 28.395363900           ~ 8 0
81 HD 185658 Em* 19 38 05.1897089136 +45 53 03.825938724   8.33 8.11     F2IIIs 31 0
82 UCAC4 662-076378 V* 19 38 11.6260856400 +42 14 03.675160716   13.686 13.480 13.381   ~ 3 0
83 TYC 3139-1375-1 * 19 38 13.0425962592 +39 40 06.569615136   9.96 9.84     A3Van(wkmetA2) 10 0
84 TYC 3560-2452-1 * 19 38 29.6853436584 +47 14 00.757434192   11.74 11.54     A8III 8 0
85 TYC 3564-2119-1 * 19 38 58.1515860240 +49 01 11.218258668   11.5 11.4     Am 11 0
86 2MASS J19394700+5036388 * 19 39 46.9979481096 +50 36 38.763126936           F0IV 7 0
87 2MASS J19395124+4617155 dS* 19 39 51.2392768663 +46 17 15.434205388           A8V 16 0
88 2MASS J19395437+4717107 * 19 39 54.3863199984 +47 17 10.775584320           ~ 5 0
89 TYC 3560-2857-1 * 19 40 17.2604531736 +48 36 41.061920328   11.22 11.07     ~ 9 0
90 TYC 3556-3655-1 dS* 19 40 21.3859398576 +46 16 50.066664600   11.84 11.41     F0IV 15 0
91 TYC 3140-1868-1 Pe* 19 40 29.9136530544 +40 44 15.149060556   11.94 11.51     kA2hA5mA8Si 8 0
92 TYC 3144-2314-1 * 19 40 32.0869080576 +42 39 47.753540100   11.85 11.54     B9III 7 0
93 TYC 3144-2053-1 * 19 40 42.8081741086 +42 28 18.696442830   12.17 12.22     A9V 7 0
94 TYC 3564-3085-1 * 19 41 14.4450533736 +49 06 20.450378592   11.05 10.79     A9V 12 0
95 TYC 3140-1536-1 Pe* 19 41 50.3675103720 +39 42 58.074332652   12.67 13.01     kA4hA7mA9Sr 7 0
96 TYC 3140-2923-1 * 19 42 09.5139131112 +40 25 04.715490000   11.44 11.16     ~ 7 0
97 TYC 3144-2204-1 * 19 42 16.4522760456 +42 55 46.009918740   11.69 11.36     A5IV 7 0
98 2MASS J19422599+4526172 * 19 42 25.9970880840 +45 26 17.233960956           ~ 6 0
99 TYC 3565-152-1 V* 19 42 27.6736335672 +48 54 22.835852244   12.39 11.79     A9V 5 0
100 UCAC4 648-075727 V* 19 42 55.7791306800 +39 29 54.700505232   13.035 13.014 12.978   ~ 3 0
101 HD 225504 gD* 19 43 07.5734028192 +38 56 49.890057792   10.64 10.44     A5V 13 0
102 HD 225515 * 19 43 13.2126231840 +39 32 32.103826116   11.31 11.16     A2V 14 0
103 2MASS J19431805+4436313 * 19 43 18.0593404104 +44 36 31.327293888           ~ 6 0
104 2MASS J19435462+4213001 dS* 19 43 54.6178374432 +42 13 00.145607088           A5IV 9 0
105 HD 225570 * 19 44 01.9185476592 +38 52 58.510011216   11.23 11.25     A0V 11 0
106 BD+42 3433 * 19 44 12.2665075512 +43 14 31.887399804   10.26 10.21     B9IV 15 0
107 TYC 3140-2783-1 V* 19 44 41.9600499696 +39 56 43.113080544   11.89 11.70     ~ 4 0
108 2MASS J19445949+4707407 * 19 44 59.4873884424 +47 07 40.734979284           ~ 4 0
109 TYC 3144-1956-1 * 19 45 34.5616209792 +42 16 03.602364708   13.03 12.88     A5IV 7 0
110 TYC 3561-1671-1 dS* 19 46 12.9724123056 +47 50 36.277362816   11.24 11.05     A8III 11 0
111 TYC 3148-1286-1 * 19 46 15.4825468704 +43 53 09.259647360   11.67 11.40     B7V 6 0
112 HD 225753 * 19 46 19.6588194744 +41 33 42.194840832   10.059 9.88     A4V 11 0
113 2MASS J19462596+4113224 * 19 46 25.9568344920 +41 13 22.318157856           B9IV 8 0
114 TYC 3565-301-1 Er* 19 47 20.9477041056 +50 30 34.475566176   12.51 12.44     A9V 9 0
115 UCAC4 691-069635 V* 19 47 30.5304336216 +48 10 46.706406024   12.980 12.833 12.822   kA2hA5mA7 5 0
116 2MASS J19473380+4026243 dS* 19 47 33.8027720400 +40 26 24.354821148           A9V 5 0
117 HD 225856 * 19 47 47.1686670264 +40 00 57.330197352   10.123 9.906     A5IV 11 0
118 HD 225863 * 19 47 55.1055092784 +39 58 24.043875096   10.36 10.32     B9.5Vn 17 0
119 TYC 3557-1516-1 * 19 48 14.0602947216 +45 55 43.009239072   12.70 12.03     ~ 5 0
120 TYC 3561-3-1 * 19 48 16.9204035408 +47 08 51.433533240   12.60 12.34     A9V 8 0
121 HD 225912 * 19 48 24.2943135120 +41 16 51.275166312   10.30 10.05     A5V 12 0
122 TYC 3140-53-1 * 19 48 38.9216069976 +39 57 51.262228296   12.28 12.59     A0V 6 0
123 HD 225971 * 19 49 03.7778890728 +39 32 54.088603260   11.75 11.63     A4V 10 0
124 HD 225986 Ro* 19 49 12.0070414992 +41 19 36.627626100   10.25 10.15     B9.5V 15 0
125 TYC 3561-1719-1 * 19 49 12.7021685544 +47 25 02.082081972   11.08 10.74     A2V 10 0
126 HD 226008 * 19 49 25.5898596864 +40 52 03.765569952   11.33 11.43     A1V 9 0
127 HD 226049 * 19 49 47.1478572576 +41 08 34.614414672   11.58 11.55     ~ 8 0
128 TYC 3561-991-1 Pe* 19 51 11.0492686872 +48 25 35.400733500   11.68 11.47     kA2hA8mA8 6 0
129 TYC 3149-1772-1 dS* 19 51 17.9490285096 +43 30 21.241238184   12.44 12.09     ~ 5 0
130 TYC 3149-1833-1 * 19 51 18.7651057560 +43 34 09.823122228   10.40 10.14     ~ 10 0
131 KOI-1062 EB* 19 51 55.5003724872 +41 26 41.551015128   11.82 11.19     ~ 20 0
132 HD 226295 * 19 52 25.7440192872 +40 32 05.668740636   10.194 10.08     A2V 12 0
133 HD 226305 * 19 52 32.0186141712 +40 57 31.597211160   10.56 10.49     ~ 8 0
134 TYC 3149-510-1 * 19 52 40.6594502040 +44 23 48.548892984   11.60 11.36     ~ 6 0
135 HD 226335 * 19 52 47.3178363744 +40 23 43.606721760   11.27 11.33     ~ 8 0
136 BD+42 3509 * 19 53 13.8386533512 +42 24 27.104721408   10.64 10.45     A2 9 0
137 KOI-74 EB* 19 53 17.8104467976 +42 23 18.509696700   10.832 10.896 10.976   A1V 68 1
138 TYC 3562-219-1 * 19 53 21.1674746064 +48 08 30.720362460   11.59 11.48     ~ 6 0
139 TYC 3141-2421-1 * 19 53 24.5773117201 +39 57 06.468482744   11.56 11.69     B9IVn 9 0
140 TYC 3141-853-1 dS* 19 53 27.1374891048 +40 09 40.448274912   12.07 11.84     ~ 5 0
141 TYC 3558-2397-1 dS* 19 53 27.2866605768 +45 43 15.588107508   12.13 11.97     A2V 9 0
142 HD 188610 * 19 53 48.5315761296 +48 17 24.216397548   8.23 8.12     A0 15 0
143 HD 226442 Pe* 19 53 52.9626752808 +42 14 24.579110580   10.99 10.86     A2III 11 0
144 TYC 3145-2669-1 * 19 54 29.4664708800 +41 50 44.449170972   11.46 11.07     ~ 6 0
145 TYC 3149-461-1 * 19 54 38.0403179664 +44 39 53.677683036   12.26 11.85     A0V 6 0
146 HD 226527 * 19 54 48.6846633288 +41 08 38.823617184   10.74 10.69     ~ 13 0
147 HD 226516 V* 19 54 49.5289333368 +40 53 06.659664720   9.81 9.70     A2V 13 0
148 HD 188796 Pu* 19 54 51.8772744504 +46 45 14.102405460   10.79 10.80     B6III 14 0
149 2MASS J19545705+4004094 Em* 19 54 57.0525817679 +40 04 09.481353151           B9.5Vn 14 0
150 2MASS J19551369+4356195 * 19 55 13.6986634464 +43 56 19.474756836           ~ 5 0
151 HD 226571 V* 19 55 19.4220231240 +40 29 57.449588712   9.161 9.113     B6 22 0
152 HD 188874 dS* 19 55 24.3772549128 +43 29 47.941603512   10.87 10.69     A2 11 0
153 HD 188889 * 19 55 31.5379258248 +44 27 51.837194664   11.00 10.69     A2III 10 0
154 2MASS J19560978+4015304 * 19 56 09.7839665088 +40 15 30.388489272           ~ 5 0
155 HD 226697 * 19 56 36.7580821248 +40 48 32.069002392   10.021 9.922     B9III 11 0
156 HD 226712 * 19 56 41.9389637592 +41 06 08.823975444   10.69 10.58     ~ 14 0
157 2MASS J19574621+4401227 * 19 57 46.2086639016 +44 01 22.784711808           A2III 7 0
158 HD 226874 * 19 58 05.9200805592 +40 35 47.922976896   8.723 8.70     A0 12 0
159 HD 226893 * 19 58 20.1725560392 +40 43 58.294755732   10.745 10.654 10.696   ~ 9 0
160 2MASS J19584422+4347383 V* 19 58 44.2271309208 +43 47 38.343640164           A3V 4 0
161 TYC 3149-1074-1 * 19 58 48.4985141448 +44 18 11.843890272   11.10 10.92     B9III 11 0
162 2MASS J19591467+4545148 * 19 59 14.6741691552 +45 45 14.830424172           ~ 6 0
163 TYC 3141-1660-1 V* 19 59 26.1117886392 +40 37 35.536782720   12.28 12.47     ~ 4 0
164 TYC 3149-415-1 * 19 59 58.6921767672 +44 39 00.912104064   11.67 11.38     A2III 6 0
165 TYC 3558-2110-1 dS* 20 00 31.0999914384 +45 59 25.447602696   11.85 11.84     A2V 7 0
166 TYC 3558-2045-1 * 20 01 54.9339639120 +45 35 33.229492440   11.79 11.54     A2V 7 0
167 TYC 3558-1658-1 V* 20 01 56.3528451240 +45 56 15.933475140   12.38 12.01     B9III 5 0
168 TYC 3162-731-1 * 20 02 54.4202058936 +44 34 03.476265708   11.90 11.80     ~ 7 0
169 TYC 3162-72-1 * 20 03 39.1724765269 +44 14 19.086066484 12.594 12.382 12.071 11.892 11.686 A3V 17 0
170 2MASS J20040888+4420159 * 20 04 08.8852012464 +44 20 15.954073476   13.72 13.29     ~ 9 0
171 UCAC4 672-080945 dS* 20 04 14.0284259064 +44 17 37.168233288 13.581 13.427 13.085 12.869 12.671 ~ 12 0
172 TYC 3162-1069-1 * 20 04 14.6830887610 +44 22 10.902662942   12.41 12.15     A3V 13 0
173 TYC 3162-1081-1 * 20 04 50.1457530576 +44 21 57.607681392   12.19 11.93     B9IV 7 0
174 TYC 3162-281-1 * 20 04 55.9023841656 +44 43 29.937081900   11.87 11.64     kA1hA2mA4 8 0
175 * alf PsA PM* 22 57 39.04625 -29 37 20.0533 1.31 1.25 1.16 1.11 1.09 A4V 1303 3
176 HD 218396 El* 23 07 28.7157209544 +21 08 03.310767492   6.21 5.953     F0+VkA5mA5 1285 0

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