2009MNRAS.396.1709C

Query : 2009MNRAS.396.1709C

2009MNRAS.396.1709C - Mon. Not. R. Astron. Soc., 396, 1709-1731 (2009/July-1)

Seismological studies of ZZ Ceti stars - II. Application to the ZZ Ceti class.

CASTANHEIRA B.G. and KEPLER S.O.

Abstract (from CDS):

We used the detected pulsation modes and adiabatic pulsation models to do seismology of the class of ZZ Ceti stars and measure the H layer mass for 83 stars. We found the surface hydrogen layer to be within the range 10–9.5 ≥ MH/M*≥ 10–4, with an average of MH/M*= 10–6.3, which is thinner than the predicted value of MH/M*= 10–4, indicating that the stars lose more mass during their evolution than previously expected. These results are preliminary and do not include the possible effects of realistic C/O profiles on the fits.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): stars: ZZ Ceti stars - stars: variables: other - white dwarfs

CDS comments: In Table 10 : MCP 2148-2911 not identified. In Table 16 : HE 0344+1207 not identified. In Table 23 : HS 0733+4119 not identified. In Table 27 : WD J2334+0103 is not identified.

Simbad objects: 120

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Number of rows : 120
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 PB 5668 WD* 00 00 06.7573727688 -00 46 53.875361208   18.3   18.5   DA 19 0
2 PB 5854 WD* 00 18 36.1282705272 +00 31 51.228446124   17.5   17.7   DA 22 0
3 MCT 0016-2553 WD* 00 18 44.4871263288 -25 36 42.604715808   16.4 16.07 16.08   DA4.5 29 0
4 JL 197 WD* 00 33 36.1026919440 -55 08 38.947696044   15.89 15.73 15.90   DA 27 0
5 EGGR 167 WD* 00 39 03.7119472872 +31 31 36.702435000   15.20 16.20 16.0   DA4.0 27 0
6 V* CO Phe WD* 00 52 00.5265633912 -47 07 09.430480920   16.1   16.5   DA 18 0
7 LP 586-51 WD* 01 02 07.2052289536 -00 32 59.563928849   18.31 18.19     DA 32 0
8 L 292-41 WD* 01 06 53.7114590688 -46 08 53.673765720   15.59 15.39 15.66   DA4.4 63 0
9 GALEX J011100.6+001807 WD* 01 11 00.6333109704 +00 18 07.059676176   18.85       DA 31 0
10 V* ZZ Cet WD* 01 36 13.6153974672 -11 20 32.632874601   14.328 14.16 14.4   DA4.0 307 0
11 GD 1400 WD* 01 47 21.8246176800 -21 56 51.386849088   15.38 15.15 15.42   DA4.1 101 0
12 PB 9102 WD* 02 14 06.7839996384 -08 23 18.434343948   18.5       DA 22 0
13 HS 0235+0655 WD* 02 38 33.1076288016 +07 08 09.350693736           DA 20 0
14 EQ J0249-0100 Pu* 02 49 -01.0           ~ 4 0
15 V* AQ Tri WD* 02 49 27.5745572088 +32 51 12.431334636     15.8     DA4.2 39 0
16 SDSS J030325.22-080834.9 WD* 03 03 25.2245582520 -08 08 34.848742704           DA 24 0
17 GALEX J031847.0+003029 WD* 03 18 47.0973226128 +00 30 29.760577452           DA 24 0
18 SDSS J033236.61-004918.4 WD* 03 32 36.6093659016 -00 49 18.406771320   17.5   18.6   DA 24 0
19 KUV 03442+0719 WD* 03 46 51.3356330712 +07 28 02.741132460   16.2 16.10 16.4   DA4.5 24 0
20 HS 0507+0434B WD* 05 10 13.5215260416 +04 38 55.135549140   15.52 15.31 15.63   DA2.3 77 0
21 GD 66 WD* 05 20 38.3165748936 +30 48 23.922603900   15.78 15.56     DA4.1 81 1
22 V* AF Pic WD* 05 33 06.7848149784 -56 03 53.377123392 15.42 16.40 16.28     DA4.3 35 0
23 SDSS J075617.54+202010.2 WD* 07 56 17.5407919800 +20 20 10.348123488           DA 15 0
24 GALEX J081531.7+443710 WD* 08 15 31.7551056120 +44 37 10.237207584           DA 13 0
25 GALEX J081829.0+313153 WD* 08 18 28.9871593032 +31 31 53.180507424   16.8   17.4   DA 19 0
26 GALEX J082518.9+032928 WD* 08 25 18.8663287080 +03 29 27.850688016           DA 18 0
27 GALEX J082546.9+411859 WD* 08 25 46.9981396440 +41 18 59.995876104   18.2   18.4   DA 20 0
28 KUV 08368+4026 WD* 08 40 07.7135286864 +40 15 03.726378396   15.84 15.64 15.95   DA4.1 41 0
29 GALEX J084220.7+370701 WD* 08 42 20.7403542336 +37 07 01.836726636           DA 18 0
30 SDSS J084314.05+043131.6 WD* 08 43 14.0620675560 +04 31 31.739349792           DA 20 0
31 US 1670 WD* 08 47 46.8269622624 +45 10 06.391409016   18.5       DA 19 0
32 EQ J0851+0605 Pu* 08 51 +06.1           ~ 3 0
33 GALEX J085325.5+000514 WD* 08 53 25.5500956128 +00 05 14.237345076           DA 20 0
34 GALEX J085507.2+063541 WD* 08 55 07.2955397760 +06 35 41.142016284   16.7   17.5   DA 20 0
35 V* VW Lyn WD* 09 01 48.6581163552 +36 07 07.757288184   14.92   14.2   DA4.1 86 0
36 GALEX J090624.2-002427 WD* 09 06 24.2568395952 -00 24 28.112530356   17.1   17.8   DA 20 0
37 SDSS J091113.00+031127.0 WD* 09 11 13.0035936744 +03 11 27.026979360           DB 16 0
38 GALEX J091312.7+403629 WD* 09 13 12.7418690976 +40 36 28.949719176   17.3   18.0   DA 23 0
39 GALEX J091635.0+385546 WD* 09 16 35.0793991416 +38 55 46.311413376           DA 28 0
40 EQ J0917+0926 Pu* 09 17 +09.4           ~ 3 0
41 V* RY LMi WD* 09 24 15.2482279632 +35 16 51.401570556   15.72   15.99   DA4 274 0
42 GALEX J093944.8+560940 WD* 09 39 44.9039678448 +56 09 40.233891924   18.3   18.4   DA 22 0
43 SBSS 0938+577 WD* 09 42 13.1387048472 +57 33 42.497262576   17.0   17.3   DA 23 0
44 GALEX J094917.0-000023 WD* 09 49 17.0474685048 -00 00 23.726457396   18.4   19.1   DA5 19 0
45 HS 0951+1312 WD* 09 53 45.0482740704 +12 58 30.043432452           DA4.1 12 0
46 HS 0952+1816 WD* 09 55 10.6931618976 +18 02 16.200422448           DA4.3 18 0
47 GALEX J095833.1+013048 WD* 09 58 33.1309846320 +01 30 49.202437752   16.4   16.9   DA 22 0
48 GALEX J095937.0+023828 WD* 09 59 36.9595371528 +02 38 28.522683528   18.311 18.461     DA 15 0
49 GALEX J100238.6+581836 WD* 10 02 38.5732114152 +58 18 36.021938544   17.8   18.5   DA 19 0
50 SLW J1007+5245A WD* 10 07 18.2840891280 +52 45 19.954161828           DA 18 0
51 GALEX J101519.6+595430 WD* 10 15 19.6331806992 +59 54 30.481544772           DA 18 0
52 HS 1013+0321 WD* 10 15 48.0227561424 +03 06 48.332424888   15.2   15.6   DA 38 0
53 PB 520 WD* 10 42 33.5413789920 +40 57 15.164301492   16.04       DA4.2 33 0
54 LP 128-255 WD* 10 54 49.9030564992 +53 07 59.278175580           DA 25 0
55 GALEX J105612.3-000621 WD* 10 56 12.3157765464 -00 06 21.811907700   17.67       DA 22 0
56 SDSS J110559.96+011749.4 Pu* 11 05 59.9676074328 +01 17 49.498867248   17.9   17.2   ~ 3 0
57 GALEX J112221.1+035822 WD* 11 22 21.0990341784 +03 58 22.467525312           DA 25 0
58 GALEX J112542.8+034506 WD* 11 25 42.8423632968 +03 45 06.467952852           DA 16 0
59 SDSS J113604.01-013658.2 WD* 11 36 04.0123445616 -01 36 58.140414180           DA 22 0
60 V* IZ UMa WD* 11 39 41.4106847280 +42 05 18.429389196     16.56     DA4.1 44 0
61 PG 1149+058 WD* 11 51 54.2067404280 +05 28 39.584467236   15.14   15.07   DA4.4 52 0
62 EC 11507-1519 WD* 11 53 15.2581290960 -15 36 36.506488428   16.16 16.00 15.9   DA4.0 61 0
63 SDSS J115707.43+055303.6 WD* 11 57 07.4340349632 +05 53 03.578296200           DA 17 0
64 V* BT Cam WD* 12 01 44.5758064464 +80 04 59.697402168   15.9   16.2   DA4.3 50 0
65 SDSS J121606.32+092345.1 Pu* 12 16 06.3238294680 +09 23 45.159757800   18.9   18.1   ~ 5 0
66 2QZ J121830.6+004216 WD* 12 18 30.6802912680 +00 42 16.095221352   18.0   18.6   DA 20 0
67 USNO-B1.0 0872-00319414 Pu* 12 22 00.2262061704 -02 42 51.540745644   20.4   19.4   ~ 4 0
68 WG 22 WD* 12 38 49.7811220835 -49 48 00.219515411   14.14 13.96     DA4.2 245 0
69 PB 4304 WD* 12 52 15.1751982192 +04 10 42.945758436           DA4.1 25 0
70 GALEX J125710.5+012423 WD* 12 57 10.5041680224 +01 24 22.974150132   18.38 18.69     DA 21 0
71 HE 1258+0123 WD* 13 01 10.5155376720 +01 07 39.926449092   16.5 16.26 16.5   DA4.3 47 0
72 Ton 1559 WD* 13 09 57.6766028952 +35 09 47.187935136   15.51   15.2   DA4.4 138 0
73 GALEX J131007.8-015956 WD* 13 10 07.8741580728 -01 59 55.885426944   17.7   17.8   DA 19 0
74 2QZ J133714.4+010443 WD* 13 37 14.4456558144 +01 04 43.899337056   18.0   18.3   DA4 26 0
75 SDSS J133831.75-002328.0 WD* 13 38 31.7495135568 -00 23 27.996154224           DA4 25 0
76 EC 13429-2342 WD* 13 45 46.4113131648 -23 57 10.121884524   16.13 16.00 15.8   DA4.5 25 0
77 GALEX J134550.9-005536 WD* 13 45 50.9226306456 -00 55 36.452670672           DA4 27 0
78 PG 1349+552 WD* 13 51 20.2509674304 +54 57 42.595932708   15.51       DA4.1 49 0
79 V* DU Dra WD* 13 52 11.0036780664 +65 24 57.126049128   15.7   15.3   DA4.1 75 0
80 SDSS J135459.89+010819.3 WD* 13 54 59.8838018352 +01 08 19.272650856           DA4 29 0
81 GALEX J135530.9+545404 WD* 13 55 31.0606426224 +54 54 04.509239508   18.2   18.2   DA 19 0
82 EC 14012-1446 WD* 14 03 57.1692959280 -15 01 10.577565696   15.86 15.67 15.89   DA4.1 63 0
83 EQ J1408+0445 Pu* 14 08 +04.7           ~ 3 0
84 2QZ J141708.8+005826 WD* 14 17 08.8138532400 +00 58 27.331025376           DA3 23 0
85 HE 1429-0343 WD* 14 32 03.2155381824 -03 56 38.028144552   16.1 15.8 16.0   DA4.3 23 0
86 V* MY Aps WD* 14 33 07.6366196272 -81 20 14.128475593   13.49 13.35 13.65   DA4.1 152 0
87 2QZ J144330.9+013405 WD* 14 43 30.9299905824 +01 34 05.936085984           DA 19 0
88 GALEX J150207.0-000147 WD* 15 02 07.0175851632 -00 01 47.227926432           DA3.5 23 0
89 GALEX J153332.9-020655 WD* 15 33 32.9656612536 -02 06 55.726221204           DA 29 0
90 Ross 808 WD* 16 01 23.1868739817 +36 48 34.288643534   14.53   14.7   DA4.4 117 0
91 GALEX J161737.7+432443 WD* 16 17 37.6311236016 +43 24 43.783239492           DA 18 0
92 GALEX J161837.3-002302 WD* 16 18 37.2484035024 -00 23 02.787239760   18.98 19.30     DA5 14 0
93 HS 1625+1231 WD* 16 28 13.3374112416 +12 24 52.713454824   16.1       DA4.2 32 0
94 SDSS J164115.61+352140.6 WD* 16 41 15.6141187296 +35 21 40.631466996   18.76 19.11     DA 15 0
95 V* DN Dra WD* 16 48 25.6318375106 +59 03 22.658985521   12.34 12.17 12.44   DA4.0 228 0
96 GALEX J165020.5+301021 WD* 16 50 20.5233302256 +30 10 21.166516020   17.4   17.6   DA 20 0
97 GALEX J170055.3+354950 WD* 17 00 55.3820614464 +35 49 51.087585720           DA 20 0
98 SDSS J171113.02+654158.4 WD* 17 11 12.9964161864 +65 41 58.280220204           DA 29 0
99 GALEX J172428.4+583538 WD* 17 24 28.4197576920 +58 35 38.974423524   17.1   17.4   DA 21 0
100 GALEX J173235.2+590533 WD* 17 32 35.1948330984 +59 05 33.432924840   18.2   18.4   DA 20 0
101 EGGR 127 WD* 18 57 30.1772042847 +33 57 25.775771950   14.81   14.8   DA4.1 83 0
102 V* PY Vul WD* 19 37 13.7502269447 +27 43 18.733503670   13.14   12.7   DA4.0 138 0
103 V* PT Vul WD* 19 52 27.8765406336 +25 09 29.175649632   15.13   15.1   DA4.2 74 0
104 GD 226 WD* 20 02 12.8336179368 +06 07 36.717013056   16.56   16.3   DA4.6 31 0
105 GALEX J212808.4-000749 WD* 21 28 08.4877379040 -00 07 50.909832876   17.67 18.03     DA 21 0
106 SDSS J213530.33-074330.8 WD* 21 35 30.3242541240 -07 43 30.743917428   18.29 18.70     DA 20 0
107 EGGR 450 WD* 21 49 59.1886559123 +54 08 39.501485233   16.2   16.1   DA4.2 28 0
108 EQ J2153-0731 * 21 53.0 -07 31           ~ 2 0
109 GALEX J215905.5+132256 WD* 21 59 05.5320915624 +13 22 55.863479460           DA 19 0
110 GALEX J220915.8-091942 WD* 22 09 15.8427360840 -09 19 42.468071016   17.8   18.1   DA 17 0
111 PB 5113 WD* 22 14 58.3726018632 -00 25 11.899431804   18       DA 23 0
112 GALEX J223135.7+134653 WD* 22 31 35.7134570040 +13 46 52.850624556   18.40 18.65     DA 16 0
113 GD 244 WD* 22 56 46.1531007720 +12 52 50.311741512   16.0   15.6   DA4.2 55 1
114 PG 2303+243 WD* 23 06 17.6909597616 +24 32 07.677555468   15.4   15.2   DA4.3 60 0
115 EQ J2307-0847 Pu* 23 07 -08.8           ~ 3 0
116 V* ZZ Psc WD* 23 28 47.6365087803 +05 14 54.235051503   13.217   13.106   DA4.1 536 0
117 GD 1212 WD* 23 38 50.7400887024 -07 41 19.970752560   13.44 13.26   13.24 DA4.5 64 0
118 EGGR 405 WD* 23 49 53.4642375816 +13 06 12.922792560   15.9   16.3   DA4.4 55 0
119 GALEX J235040.8-005429 WD* 23 50 40.7298561264 -00 54 30.912096492           DA 26 0
120 V* HW Aqr WD* 23 51 22.0904044560 -24 08 17.326740768   15.52   15.1   DA4.2 48 0

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