2016MNRAS.457.2855G

Query : 2016MNRAS.457.2855G

2016MNRAS.457.2855G - Mon. Not. R. Astron. Soc., 457, 2855-2863 (2016/April-2)

The search for ZZ Ceti stars in the original Kepler mission.

GREISS S., HERMES J.J., GANSICKE B.T., STEEGHS D.T.H., BELL K.J., RADDI R., TREMBLAY P.-E., BREEDT E., RAMSAY G., KOESTER D., CARTER P.J., VANDERBOSCH Z., WINGET D.E. and WINGET K.I.

Abstract (from CDS):

We report the discovery of 42 white dwarfs in the original Kepler mission field, including nine new confirmed pulsating hydrogen-atmosphere white dwarfs (ZZ Ceti stars). Guided by the Kepler-Isaac Newton Telescope Survey, we selected white dwarf candidates on the basis of their U - g, g - r, and r - Hα photometric colours. We followed up these candidates with high-signal-to-noise optical spectroscopy from the 4.2-m William Herschel Telescope. Using ground-based, time series photometry, we put our sample of new spectroscopically characterized white dwarfs in the context of the empirical ZZ Ceti instability strip. Prior to our search, only two pulsating white dwarfs had been observed by Kepler. Ultimately, four of our new ZZ Cetis were observed from space. These rich data sets are helping initiate a rapid advancement in the asteroseismic investigation of pulsating white dwarfs, which continues with the extended Kepler mission, K2.

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

Journal keyword(s): asteroseismology - surveys - white dwarfs

Simbad objects: 50

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Number of rows : 50
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 G 8-8 WD* 04 04 34.1281892448 +25 08 51.685256904   13.92   14.1   DA3.9 94 0
2 BD+52 913 WD* 05 05 30.6180977592 +52 49 51.919301604 10.25 11.44 11.69 11.93 12.108 DA.8 1153 0
3 Feige 34 HS* 10 39 36.7358839104 +43 06 09.212615280 9.613 10.91 11.14 11.319 11.464 sdOp 731 0
4 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
5 GD 518 WD* 16 59 15.3799290528 +66 10 32.657977416   16.5   17.4   DA4.2 46 0
6 SDSS J184635.93+415707.0 WD* 18 46 35.9124433392 +41 57 06.663064788 17.96         DA 9 0
7 KIC 6923777 WD* 18 48 30.8428334448 +42 25 15.750519276 18.02 18.3   18.3   DA 7 0
8 KIS J185101.28+450649.5 WD* 18 51 01.2845993760 +45 06 48.446445816 18.51 18.7   18.6   DA 7 0
9 GALEX J185730.7+490837 WD* 18 57 30.6627307056 +49 08 36.613564872 18.34 18.8   19.0   DA 7 0
10 GALEX J185810.1+461307 WD* 18 58 10.2317658312 +46 13 08.305251600 18.31 19.3   18.9   DA 4 0
11 GALEX J185902.0+484237 WD* 18 59 01.9973622408 +48 42 37.855512684 18.57 19.0   19.1   DA 7 0
12 KIS J190207.12+422325.5 WD* 19 02 07.1317397088 +42 23 25.973911104 18.67 18.85       DA 6 0
13 GALEX J190426.6+424548 WD* 19 04 26.6241022416 +42 45 48.371798304 18.21 19.2   18.9   DA 6 0
14 KIS J190450.16+413016.7 WD* 19 04 50.1534904224 +41 30 17.246202372 17.03 16.96   16.50   DA 6 0
15 KIC 8084967 WD* 19 06 31.3031793336 +43 54 48.859882200 18.67 19.9   19.1   DA 6 0
16 KIC 11805054 WD* 19 06 34.6935351432 +50 02 16.704078900 18.73 18.9   19.3   DA 6 0
17 KIC 9639485 WD* 19 08 25.7013335088 +46 19 35.339937024 18.03 17.6   17.6   DA 6 0
18 GALEX J190835.8+431642 WD* 19 08 35.8930037160 +43 16 42.235023252 17.84         DA 13 0
19 PM J19099+4717 WD* 19 09 59.3507240712 +47 17 10.044603240 15.82         DA 13 0
20 GALEX J191133.5+454346 WD* 19 11 33.5275436568 +45 43 46.431243012 18.26 19.1   18.9   DA 6 0
21 GALEX J191340.9+470930 WD* 19 13 40.8876081048 +47 09 30.675488292 18.71         DA 10 0
22 SDSS J191643.83+393849.7 WD* 19 16 43.8197701440 +39 38 49.362598824 17.362 17.60 17.72 17.93 17.72 DA 29 0
23 SDSS J191719.16+392718.8 WD* 19 17 19.1726542032 +39 27 19.329494976 17.91         DA 13 0
24 PSO J289.4803+44.2239 WD* 19 17 55.2476142960 +44 13 26.068569060 18.10 18.7   18.7   DA 7 0
25 GALEX J191830.2+453313 WD* 19 18 30.1497203112 +45 33 12.937580028 17.80 18.8   18.7   DA 6 0
26 KIS J191854.33+391432.9 WD* 19 18 54.3209653968 +39 14 33.047778696 18.36 18.7   17.3   DA 5 0
27 KIC 11759570 WD* 19 19 12.2059998864 +49 57 51.118077708 17.40 18.4   18.1   DA 6 0
28 GALEX J191952.9+471256 WD* 19 19 52.9132754496 +47 12 56.183398236 17.73 18.6   18.8   DA 6 0
29 KIS J191955.09+424723.1 WD* 19 19 55.0706667600 +42 47 22.512564348 17.36 18.3   18.3   DA 6 0
30 KIC 7885860 WD* 19 20 18.8629140264 +43 38 32.695644336 18.52 18.8   18.9   DA 5 0
31 PSO J290.1036+50.2894 WD* 19 20 24.8851862736 +50 17 21.048520956 17.701         DA 22 0
32 GALEX J192248.9+480721 WD* 19 22 48.8864333928 +48 07 21.413738028 18.05 19.0   18.8   DA 5 0
33 KIC 4362927 WD* 19 23 48.7411878816 +39 29 32.896799340 19.05 19.5       DA 6 0
34 SDSS J192408.26+365518.2 WD* 19 24 08.2614733752 +36 55 18.063636204 17.53         DA 12 0
35 SDSS J192603.04+370316.2 WD* 19 26 03.0376883160 +37 03 16.174404432 18.49 19.3   19.2   DA 6 0
36 KIS J192912.27+430252.1 WD* 19 29 12.3570048264 +43 02 52.777266000 18.01 18.7   18.4   DA 6 0
37 KIC 3854110 WD* 19 29 52.0777787904 +38 57 50.359710672 18.20 19.0   18.4   DA 6 0
38 PSO J293.0502+42.1814 WD* 19 32 12.0618348768 +42 10 53.634251064 18.36 18.8   19.2   DA 5 0
39 KIC 10604007 WD* 19 33 55.1863207008 +47 53 01.928640048 18.71 19.5   18.9   DA 6 0
40 KIC 9775198 WD* 19 35 06.6707572008 +46 34 59.529496656 17.88 17.4   18.0   DA 6 0
41 KIC 7124835 WD* 19 35 34.6540477368 +42 37 41.075924196 17.31 17.5   17.5   DA 6 0
42 KIC 9162396 WD* 19 39 07.1390842296 +45 33 34.436828484 18.15 18.6   18.8   DA 6 0
43 PM J19430+4538 WD* 19 43 02.5657623504 +45 38 42.328425984 16.93 17.6   17.3   DA 7 0
44 KIS J194331.92+501145.8 WD* 19 43 31.8578420640 +50 11 44.153199240 16.77         DA 9 0
45 KIC 7766212 WD* 19 44 05.7828115728 +43 27 20.905335504 16.41 16.8   16.6   DA 8 0
46 KIC 12217892 WD* 19 45 03.5600220744 +50 51 39.523719132 18.73 19.5   19.4   DA 6 0
47 KIS J194542.30+445510.6 WD* 19 45 42.2889160632 +44 55 12.340564932 16.82 17.0   17.1   DA 6 0
48 KIC 8043166 WD* 19 45 59.2446909912 +43 48 45.016758576 17.26 17.0   17.1   DA 5 0
49 KIS J195616.98+444753.4 WD* 19 56 17.0294170008 +44 47 53.605524624 18.49 18.4   18.6   DA 6 0
50 LAWD 93 WD* 23 43 50.7212145360 +32 32 46.728318300   13.06 12.94 13.12   DA3.8 160 0

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