List of ZZ Ceti stars

List of ZZ Ceti stars

WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
0000-0046 SDSS 52203-0685-225 00:00:06.75 -00:46:54.0 g=18.84 611.42s@23.0mma; 584.84s@15.9mma Teff=10880±110 logg=8.32±0.09
601.35s@8.97mma M=0.81±0.06MSun f
0016-258 MCT0016-2553 00:18:44 -25:36:38 V=16.10 1152.4s@8.1mmaTeff=10900 logg=8.04 M=0.63MSun a
< P > =1152.4s
0018+0032 SDSS 52203-0688-348 00:18:36.15 +00:31:51.1 g=17.36 257.25s@6.03mma; 149.92s@3.68mma Teff=11700±80 logg=7.93±0.045 e
(0016+002) < P > =228.1s M=0.573±0.022MSun
257.01s@5.11mma; 149.72s@1.58mma all data
< P > =247.6s SEISMOLOGY
0031-5525 HE 00:33:36 -55:08:37 g=15.94 329.5s@2.5mma; 276.9s@4.8mma Teff=11480±30 logg=7.65±0.02 f
274.9s@1.5mma M=0.437±0.010MSun
276.95s@4.63mma; 330.75s@2.48mma From separated chuncks (used)
< P > =288.9s Need lower mass models!!!
Teff=11736±283 M=0.360±0.009MSun h
0036+312 G132-12 00:39:03 +31:31:40 V=16.2 212.7s@4.3mma (only one mode)Teff=12080 logg=7.94 M=0.57MSun a
< P > =212.7s SEISMOLOGY
0049+1522 SDSS 51871-0420-388 00:48:55.16 +15:21:48.7 g=18.68 615.3s@24.8mma (paper) Teff=11290±120 logg=8.23±0.080 e
(0046+151)604.19s@19.39mma; 698.36s@18.29mma M=0.752±0.051MSun
672.30s@8.49mma; 636.41s@8.71mma Modes appear and disappear
333.18s@8.58mma; 323.14s@14.75mma Too high A to be harmonic?
< P > =567.4s
0049-473 EC 00:52:00 -47:07:08 V=16.53 722s@23mma 867s@17mma 1083s@12mma 1182s@9mma 500s@7mma Stobie et al. 1997
Conf. faint blue stars
0050-0023 SDSS 51812-0394-238 51913-0394-227 00:50:47.60-00:23:16.9g=18.80584s@3.5mma 246s@2.8mma 133.5s@2.7mma 126.1s@2.6mma Teff=11193±52 logg=8.88±0.03 M=1.11±0.01 MSun gemini07
Fibrilating crystal
0102-0033 SDSS 51816-0396-262 01:02:07.24 -00:32:59.7 g=18.18 926.1s@37.2mma; 830.3s@29.2mma Teff=11050±100 logg=8.24±0.08 b
(0059-008) LP586-051 < P > =889.6s M=0.758±0.051MSun
0104-464 BPM30551 01:06:53 -46:08:55 V=15.26 606.8s@11.5mma; 744.7s@10.5mma; Hesser et al. 1976, McGraw 1977
682.7s; 840.2s Teff=11260 logg=8.23 M=0.75MSun c
(ver amps) Teff=11745±245 M=0.745±0.005MSun h
0111+0018 SDSS 52209-0694-597 01:11:00.63 +00:18:07.1 g=18.76 292.97s@22.13mma (f1) Teff=11510±100 logg=8.26±0.06 b
(0108+000) 255.50s@12.95mma (f2) M=0.772±0.038MSun
136.54s@7.49mma (f1+f2) SEISMOLOGY
146.49s@5.37mma (2*f1) Linear Comb > Harmonic
< P > =283.4s or 271.9s
J0122+0030SDSS 52209-0696-47601:22:34.6800:30:25.8g=16.84357.8s@1.51mma;121.1s@1.76mmaTeff=11798±47 logg=7.87±0.02 M=0.54±0.01MSun f
0133-116 R548 01:36:13 -11:20:31 V=14.11 212.950s@5.4mma; 274.512s@3.5mma Teff=11990 logg=7.97 M=0.59MSun c
333.64s@1.31mma; 318.07s@1.10mma Teff=11830±150 logg=7.78±0.15
187.28s@0.93mma M=0.50±0.07MSun j
< P > =236.5s SEISMOLOGY
Teff=11883±241 M=0.478±0.006MSun h
0145-221 MCT0145-221 01:47:21 -21:56:51 V=15.3 462.2s@25mma; 727.9s@19mma Teff=11550 logg=8.14 M=0.69MSun cd
823.2s@15mma Teff=11604 logg=8.05 M=0.64MSun
< P > =608.5s Koester
SEISMOLOGY
Teff=11104±188 M=0.675±0.002MSun h
0210+330 HS0210+3302 02:13:06.2 +33:16:10 B=15.8 189.4s@4.74mmaTeff=11924 logg=7.39 M=0.336MSun i
< P > =189.2s Need lower mass models!!!
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
0214-0823 SDSS 52162-0668-354 02:14:06.78 -08:23:18.4 g=17.92 347.295s@6.58mma Teff=11570±90 logg=7.92±0.05 b
(0211-086) 297.064s@15.70mma M=0.567±0.024MSun
263.209s@6.97mma DFT all data
174.05s@1.81mma; 149.00s@2.07mma Detected harmonics
< P > =298.6s SEISMOLOGY
0235+069 HS 02:38:33.1 +07:08:11 B=16.6 1238.7s@4.21mma Teff=10950 logg=7.75 M=0.484MSun
< P > =1238.7s
0246+326 KUV02464+3239 02:49:27 +32:51:12 V=15.8 831.6s Teff=11290 logg=8.08 M=0.65MSun
< P > =831.6s Fontaine et al. 2001
0249-0100 SDSS 52177-0707-047 02:49:22.35 -01:00:06.7 g=18.88 1045.3s@8.89mma; 1006.5s@8.60mma Teff=11060±110 logg=8.31±0.10 f
(0247-011) < P > =1026.5s M=0.803±0.064MSun
SEISMOLOGY
0303-0808 SDSS 51929-0458-188 03:03:25.22 -08:08:34.9 g=18.74 707s@4.1mma; 1128s@3.5mma Teff=11400±110 logg=8.49±0.06 f
old NOV M=0.92±0.04MSun
0318+0030 SDSS 51821-0413-483 51929-0413-494 03:18:47.08 +00:30:29.6 g=17.80 826.4s@21.1mma; 587.1s@10.6mma Teff=11040±70 logg=8.07±0.05 b
(0316+003) 536.1s@10.6mma M=0.650±0.032MSun
< P > =737.6s SEISMOLOGY
0332-0049 SDSS 51879-0415-212 51810-0415-211 03:32:36.60 -00:49:18.4 g=18.18 767.5s@15.1mma Teff=11040±70 logg=8.25±0.06 b
(0330-009.1) Only mode from Anjum's table M=0.765±0.038MSun
< P > =767.5s SEISMOLOGY IMPOSSIBLE !
0341-459 BPM31594 03:43:28 -45:49:07 V=15.03 314s@18mma or 617s McGraw 1976 O'Donoghue et al. 1992
Sine or peaky: same A peak-to-peak Teff=11540 logg=8.11 M=0.67MSun c
Teff=12442±111 M=0.545±0.002MSun h
0344+073 KUV03442+0719 03:46:50 +07:28:02 V=16.1 1348.9s@7.6mma Teff=10930 logg=7.84 M=0.51MSun a
< P > =1348.9s
0344+1207 HE 03:47:06.7 +11:58:09 B=15.8 461.0s@11.37mma; 392.9s@21.14mma Teff=10470 logg=7.77 M=0.492MSun i
< P > =408.2s
0416+272 HL Tau 76 04:18:55 +27:17:49 V=15.1 382.47s@16.47mma; 492.12s@7.12mma Landolt 1968, Dolez 2006
540.95s@28.45mma; 596.79s@14.60mma Teff=11450 logg=7.89 M=0.55MSun c
664.21s@14.94mma; 799.10s@5.19mma Teff=11720±995 M=0.471±0.005MSun h
976.38s@6.46mma
1064.97s@11.30mma
1390.84s@3.62mma
933.64s@2.4mma; 449.8s@6.7mma
781.0s@9.1mma SEISMOLOGY
< P > =595.6s
0417+361 G38-29 04:20:17 +36:16:36 V=15.62 1052s@20mma McGraw 1975
Prange=910-1024s Teff=11180 logg=7.91 M=0.55MSun c
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
0455+553 G191-16 04:59:27 +55:25:25 V=16.04 830.50s@69.3mma; 595.88s@11.7mma McGraw et al. 1981
507.92s@12.4mma; 416.67s@15mma Teff=11420 logg=8.05 M=0.64MSun c
387.81s@9.6mma?; 367.41s@6.2mma?
348.31s@7mma? NOV90
< P > =797.6s
856.02s@15.9mma; 847.53s@16.9mma
730.67s@19.1mma; 670.24s@14.3mma
595.63s@14.3mma; 595.63s@24.0mma
507.46s@16mma; 504.44s@16mma
395.41s@15mma; 296.63s@4.4mma?
329.96s@5.4mma?; 280.25s@5.1mma? NOV91
0507+045.1 HS0507+0434B 05:10:13 +04:38:57 V=14.83 743.373±0.017s@7.6mma Handler et al. 2002
557.542±0.010s@16mma Teff=11630 logg=8.17 M=0.71MSun c
556.542±0.010s@7.2mma m=0
555.340±0.004s@16.6mma ® 556.47s@13.27mma
446.136±0.003s@13.9mma Teff=11403±14 M=0.576±0.005MSun h
445.309±0.017s@2.8mma m=0
444.461±0.004s@11.9mma ® 445.30s@9.53mma
355.826±0.001s@24.0mma ® 355.36s@12.38mma
355.366±0.007s@4.3mma m=0
354.875±0.003s@10.2mma SEISMOLOGY
< P > =493.4s Using averages
0517+307 GD66 05:20:38 +30:48:26 V=15.56 271.68s@16.97mma (f1) Dolez et al. 1983
302.78s@11.43mma (f2) Teff=11980 logg=8.05 M=0.64MSun c
255.98s@3.81mma (f3)
197.39s@5.44mma (f4)
522.14s@2.26mma (f1+f2-f4)
143.21s@2.72mma (f1+f2)
135.88s@1.82mma (2f1)
123.03s@1.71mma (?)
131.79s@1.43mma (f1+f3)
114.30s@1.65mma (f1+f4)
567.85s@1.52mma (f4-f2)
119.60s@1.33mma (f2+f4)
151.46@1.20mma; 513.34s@2.54
559.03s@1.03mma; 609.56s@1.61mma
< P > =275.2s
0532-560 HE EC 05:33:06 -56:03:53 V=15.5 723.7s@7.8mma;686.1s@5.5mma;753.8s@4.8mma;822.3s@3.4mma
599.7s@2.5mma;563.7s@2.5mma;881.7s@2.9mma;522.4s@2.1mma		Teff=11560 logg=8.49 M=0.919MSun d
Teff=11719 logg=8.40 Koester
< P > =639.8s M=0.862MSun
0733+4119 HS 07:37:07.9 +41:12:28 B=15.9 656.2s@38.73mma; 468.8s@19.39mma Teff=11162 logg=7.72 M=0.47MSun i
< P > =618.6s Need lower mass models
0753+2028 SDSS 52941-1583-167 07:56:17.54 +20:20:10.2 g=18.25 199.5s@6.8mma Teff=11710±110 logg=8.01±0.059 e
< P > =199.5s M=0.613±0.034MSun
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
0815+4437 SDSS 51959-0547-350 52207-0547-339 08:15:31.75 +44:37:10.3 g=19.30 787.5s@6.6mma; 511.5s@7.3mma Teff=11620±170 logg=7.93±0.09 b
(0812+447) 311.3s@9.3mma; 311.7s@22mma 311.5s@15.65mma
258.3s@6.2mma M=0.572±0.045MSun
< P > =388.7s
0818+3131 SDSS 52619-0931-321 08:18:28.98 +31:31:53.0 g=17.381 253.3s@2.9mma; 202.3s@3.3mma Teff=11800±80 logg=8.07±0.033 e
(0815+314) < P > =224.5s M=0.651±0.021MSun
0825+4119 SDSS 52264-0760-604 08:25:46.99 +41:19:00.0 g=18.48 653.4s@17.1mma; 611.0s@11.2mma
(0822+414) < P > =640.7s M=0.919±0.036MSun Teff=11820±170 logg=8.49±0.06 b
0822+0824 SDSS 53084-1758-346 08:22:39.43 +08:24:36.7 g=18.09 152.0s@1.78mma; 112.3s@1.62mma Teff=11198±75 logg=8.54±0.05 M=0.95±0.02 MSun h
0825+0329 SDSS 52642-1185-085 08:25:18.86 +03:29:27.9 g=17.48 640.23s@5.18mma;704.11s@3.74mma; 657.36s@4.42mma Teff=11801±105 logg=8.33±0.044 g
(0823+034) < P > =644s M=0.817±0.028MSun
0836+404 KUV08368+4026 08:40:07 +40:15:03 V=15.25 618.0±44s@16mma Vauclair et al. 1997
494.5±28s@5.5mma Teff=11490 logg=8.05 M=0.64MSun c
< P > =604.9s
0842+3707 SDSS 52320-0864-548 08:42:20.72 +37:07:01.7 g=18.82 309.3s@17.9mma Teff=11720±170 logg=7.73±0.09 b
(0839+372) < P > =309.3s M=0.476±0.043MSun
0843+0431 SDSS 52650-1188-191 08:43:14.05 +04:31:31.6 g=17.79 1049s@11.4mma; 1085s@7.42mma Teff=11250±63 logg=8.18±0.044 g
(0841+044) < P > =1059.7s M=0.720±0.029MSun
0847+4510 SDSS 52235-0763-144 08:47:46.80 +45:10:06.2 g=18.27 201.0s@7.3mma Teff=11680±110 logg=8.00±0.07 b
(0844+453) < P > =201.0s M=0.606±0.039MSun
0848+062 SDSS 52670-1190-322 08:51:28.17 +06:05:51.1 g=16.73 326s@22.4mma Teff=11306±48 logg=8.11±0.029 g
< P > =326s M=0.676±0.019MSun
0853+0005 SDSS 51912-0468-132 08:53:25.55 +00:05:14.2 g=18.23 264.35s@3.99mma Teff=11750±110 logg=8.11±0.06 f
old NOV M=0.68±0.04MSun
0855+0635 SDSS 52668-1189-538 08:55:07.29 +06:35:40.9 g=17.25 850s@44mma; 433s@15mma Teff=11050±50 logg=8.43±0.03 f
M=0.88±0.02MSun
0858+363 GD99 09:01:48 +36:07:10 V=14.55 1311s@5mma McGraw et al. 1976
< P > =1311s Teff=11820 logg=8.08 M=0.66MSun c
0906-0024 SDSS 51929-0470-081 09:06:24.25 -00:24:28.1 g=17.74 769.4s@26.1mma; 618.8s@9.1mma Teff=11520±90 logg=8.00±0.06 b
(0903-002) 574.5s@23.7mma; 457.9s@2.5mma M=0.606±0.034MSun
266.6s@7.6mma
< P > =659.4s
0911+0310 SDSS 52238-0566-031 09:11:18.42 +03:10:45.1 g=18.42 347s@17.4mma; 757s@16.4mma Teff=11634±126 logg=8.11±0.084 g
(0909+032) 353s@26.9mma; 352s@27.7mma ® 352.5s@27.3mma
< P > =433.8s M=0.676±0.054MSun
0913+4036 SDSS 52668-1200-017 09:13:12.73 +40:36:28.8 g=17.64 320.5s@14.7mma; 288.7s@12.4mma Teff=11680±80 logg=7.87±0.041 e
(0910+405)260.3s@16.5mma; 203.9s@3.8mma M=0.544±0.020MSun
< P > =285.5s
0916+3855 SDSS 52707-0937-634 09:16:35.07 +38:55:46.2 g=16.56 485.09s@32.89mma; 447.70s@14.44mma Teff=11410±50 logg=8.10±0.03 f
238.10s@10.76mma; 747.20s@9.06mma M=0.67±0.02MSun
0917+0926 SDSS 52976-1301-445 09:17:31.00 +09:26:38.1 g=18.09 289s@16.1mma; 259s@10.2mma Teff=11341±64 logg=8.15±0.044 g
(0915+094) 212s@8.0mma; 288s@14.0mma M=0.701±0.038MSun
211s@10.4mma; 261s@8.6mma ® 211.5s@9.2mma; 288.5s@15.05mma
< P > =265.9s ® 260.0s@9.4mma
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
0923+0120 SDSS 51929-0473-074 09:23:29.81 +01:20:20.0 g=18.34 595.055s; 4145.0s; 2032.30s; 1436.38s Teff=11150±70 logg=8.74±0.06 b
(0920+015) Multi-site campaign Jan-Feb 2006 M=1.055±0.033MSun
0921+354 G117-B15A 09:24:15 +35:16:50 V=15.50 215.1973888±0.00004s@17.36mma (f1) Teff=11600 logg=7.97 M=0.59MSun c
270.455±0.004s@6.14mma (f2) Teff=11900±140 logg=7.86±0.14
304.052±0.004s@7.48mma (f3) M=0.54±0.07MSun j
107.70s@1.65mma (2f1) Average amplitudes
126.2s@1.4mma (f1+f3) Kepler et al. 1982
119.8s@1.3mma (f1+f2)
< P > =233.1s Teff=11231±385 M=0.746±0.005MSun h
0939+5609 SDSS 51991-0556-476 09:39:44.89 +56:09:40.1 g=18.66 249.9s@7.2mma Teff=11790±60 logg=8.22±0.07 b
(0953+563) < P > =249.9s M=0.747±0.045MSun
0942+5733 SDSS 51911-0452-023 09:42:13.13 +57:33:42.5 g=17.44 694.7s@37.7mma; 550.5s@12.2mma Teff=11260±70 logg=8.27±0.05 b
(0938+577) 451.0s@18.4mma M=0.778±0.032MSun
< P > =640.2s
0949-0000 SDSS 51602-0266-031 51630-0266-037 09:49:17.04 -00:00:23.6 g=18.80 711.6s@6.0mma; 634.2s@5.1mma Teff=11180±130 logg=8.22±0.11 b
(0946+002) 516.6s@16.2mma; 365.2s@17.7mma M=0.746±0.070MSun
364.0s@7.3mma; 363.2s@12.5mma ® 364.1s@12.5mma
213.3s@6.0mma
< P > =468.9s
0951+132 HS0951+1312 09:53:44 +12:58:26 281.6s@8.8mma; 258.6s@3.6mma Teff=11000 b
208.0s@9.3mma
< P > =243.9s
0952+182 HS0952+1816 09:55:09 +18:02:11 1466.0s@4.5mma; 1159.7s@4.8mma Teff=11000 b
853.8s@3.9mma
< P > =1186.2s
0958+0130 SDSS 51994-0500-163 09:58:33.13 +01:30:49.2 g=16.70 264.4s@4.7mma; 203.7s@2.5mma Teff=11680±60 logg=7.99±0.03 b
(0955+017) < P > =251.0s M=0.601±0.016MSun
J0959+0238 SDSS 51994-0500-580 09:59:36.96 +02:38:28.4 g=18.17 283.85@12.3mma; 254.0@6.6mma; 194.9@5.8mmaTeff= 11834± 114 log g=8.05 ± 0.06\\ \hline
0959+583 SDSS 52317-0558-573 10:02:38.56 +58:18:35.9 g=18.26 304.6s@5.3mma; 268.2s@6.8mma Teff=11710±130 logg=7.92±0.070 e
< P > =282.0s M=0.568±0.034MSun
1004+526 SDSS 52400-0903-557 10:07:18.26 +52:45:19.8 g=18.87 323.1s@10.4mma (f1) Teff=11430±130 logg=8.08±0.082 e
290.1s@7.7mma (f2) M=0.657±0.052MSun
258.8s@11.0mma (f3)
152.8s@5.8mma (f1+f2)
< P > =281.3s
1011+601 SDSS 52316-0559-330 10:15:19.62 +59:54:30.5 g=17.96 1116.5s@12.6mma; 453.7s@15.8mma Teff=11630±110 logg=8.02±0.06 b
401.7s@20.8mma; 292.4s@8.5mma M=0.619±0.035MSun
213.0@9.8mma
< P > =501.2s
1013+033 SDSS 51999-0503-329 10:15:48.02 +03:06:48.2 g=15.66 270.0s@8.4mma; 255.7s@7.3mma Teff=11580±30 logg=8.14±0.02 b
194.7s@5.8mma M=0.695±0.013MSun
< P > =249.1s
1039+412 HS 1039+4112 10:42:33.5 40:57:16 B=15.9 855.5s@55.2mma; 837.3s@26.0mma Teff=11200±270 logg=8.20
< P > =852.2s M=0.733MSun Silvotti et al. 2005
Teff=11550 logg=8.10 M=0.66MSun a
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
1051+532 SDSS 52649-1010-629 10:54:49.87 +53:07:59.1 g=17.92 869.1s@37.4mma; 444.6s@16.0mma Teff=11120±80 logg=8.01±0.050 e
< P > =803.4s M=0.612±0.029MSun
1053+001 SDSS 51909-0276-073 10:56:12.31 -00:06:21.7 g=17.52 942.2s@62.3mma (f1) Teff=11020±50 logg=7.86±0.03 b
474.4s@22.9mma (2f1) M=0.535±0.015MSun
314.2s@11.0mma (3f1)
< P > =871.2s?
1104+013 SDSS 51900-0278-367 11:06:23.40 +01:15:20.8 g=18.39 937s@10.8mma; 842s@9.4mma Teff=10990±62 logg=8.09±0.049 g
Check LNA data from Marcio 2005 M=0.662±0.031MSun
< P > =896.1s
GD 133 11:19:11 +02:20:30 V=14,57 120,4s@4,6mma;115,9s@1,5mma;146,9s@1,1mma 12090 8.06
1119+042 SDSS 52376-0836-214 11:22:21.10 +03:58:22.4 g=18.15 996.1s@17.9mma; 859.0@34.3mma Teff=11070±80 logg=8.06±0.06 b
< P > =888.3s M=0.643±0.038MSun
1123+040 SDSS 52376-0836-050 11:25:42.84 +03:45:06.3 g=18.07 265.8s@3.3mma; 265.5s@7.2mma ® 265.6s@5.25mma
208.6s@2.8mma Teff=11600±120 logg=7.99±0.07 b
< P > =252.9s M=0.601±0.038MSun
1126-222 EC1126-2217 11:29:11.6 -22:33:44 B=16.5 402.7s@3.01mma; 277.6s@7.04mma Teff=11990 logg=7.83 SPEC i
234.1s@4.49mma; 215.7s@3.68mma M=0.525MSun
< P > =271.3s
386.4s@4.01mma; 275.7s@7.69mma ® From another night
218.3s@8.13mma
< P > =261.4s
1136-0137 SDSS 52294-0327-535 11:36:04.01 -01:36:58.1 g=17.84 260.79s@2.45mma Teff=11710±700 logg=7.96±0.04 f
old NOV
1137+423 KUV11370+4222 11:39:41 +42:05:19 V=16.56 257.2±6.5s@5.3mma Vauclair et al. 1997
292.2±8.5s@2.5mma Teff=11890 logg=8.06 M=0.64MSun c
462.9±21.2s@3.2mma
< P > =309.4s
1149+057 PG1149+058 11:51:54.3 +05:28:38 B=15.1 1023.5s@10.47mma Teff=10980 logg=8.06 SPEC i
< P > =1023.5s Teff=11105 logg=7.95 PHOT
Ms=0.643MSun Mp=0.581MSun
1150-153 EC11507-1519 11:53:15 -15:36:35 V=16 249.6s@7.7mma; 249.4s@4.73mma ® 249.5s@6.2mma
191.7s@3,59mma Teff=12030, logg=7.98 M=0.60MSun a
< P > =235.0s
1154+061 SDSS 52375-0841-377 11:57:07.43 +05:53:03.5 g=17.57 1056.2s@5.8mma (f1) Teff=11050±50 logg=8.15±0.04 b
918.9s@15.9mma (f2) M=0.701±0.026MSun
826.2s@8.1mma (f3)
748.5s@5.6mma (f4)
458.5s@4.2mma (2*f2)
436.1s@3.9mma (f2+f3)
< P > =901.1s
1159+808 G225-2 12:01:45 +80:05:00 V=16 830s@41mma; 685s@38mma Vauclair et al. 1981
< P > =763.0s Teff=11440 logg=8.17 M=0.71MSun c
1214+094 SDSS 52672-1230-188 12:16:28.55 +09:22:46.4 g=18.56 823s@45.2mma; 409s@30.1mma Teff=11293±109 logg=8.29±0.078 g
840s@42.0mma; 570s@24.6mma M=0.791±0.050MSun
626s@21.6mma; 967s@20.5mma
< P > =737.6s
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
1216+006 SDSS 52000-0288-412 12:18:30.68 +00:42:16.1 g=18.51 258s@16mma; 259s@8.2mma Teff=11123±93 logg=8.16±0.068 g
< P > =258.5s < A > =12.1mma M=0.707±0.043MSun
1220-023 SDSS 52313-0333-077 12:22:29.57 -02:43:32.5 g=16.75 396s@22.0mma Teff=11398±44 logg=8.35±0.026 g
< P > =396s M=0.829±0.017MSun
1236-495 BPM37093 12:38:52 -49:49:27 V=13.9 660.8s@0.48mma; 635.1a@1.53mma Teff=11730 logg=8.81 M=1.10MSun
613.5s@1.13mma; 600.7s@0.88mma Teff=11520±100 logg=8.67±0.14
582.0s@1.03mma; 564.0s@1.03mma M=1.02±0.08MSun j
548.8s@0.98mma; 531.1s@1.16mma Teff=11520±280 M=1.093±0.002MSun h
511.7s@0.68mma
< P > =586.7s
1249+0426 HS 12:52:15.2 +04:10:43 B=15.8 288.9s@7.55mma Teff=11770 logg=7.92 SPEC i
< P > =288.9s M=0.568MSun
1253+023 SDSS 52026-0523-186 12:55:35.41 +02:11:16.0 g=19.08 897s@31.7mma; 1002s@21.7mma Teff=11385±154 logg=8.16±0.106 g
812s@16.4mma M=0.708±0.068MSun
< P > =912.2s
1254+016 SDSS 52026-0523-128 12:57:10.50 +01:24:22.9 g=18.65 905.8s@46.7mma Teff=11520±160 logg=8.39±0.09 f
< P > =905.8s M=0.855±0.057MSun
1258+013 HE1258+0123 13:01:10 +01:07:39 V=16.2 439.2s@9.81mma; 528.5s@9.26mma Teff=11410 logg=8.04 M=0.63MSun c
744.6s@22.96mma; 1092.1s@14.07mma Teff=11161 logg=7.92 M=0.567MSun
< P > =767.6s Koester
SDSS 51994-0293-606 881.5s@17.6mma; 628s@15.2mma Teff=11099±34 logg=8.11±0.023 g
< P > =773.2s M=0.675±0.015MSun
1307+354 GD154 13:09:57 +35:09:46 V=15.31 1186.5s@2.4mma; 1088.6s@2.0mma MH=2×10-10M* M*=0.70MSun
402.6s@0.3mma Robinson et al. 1978
< P > =1139.6s Teff=11180 logg=8.15 M=0.70MSun c
Teff=11270±170 logg=7.95±0.20
M=0.58±0.11MSun j
1308-014 SDSS 51692-0339-629 13:10:07.87 -01:59:55.8 g=17.68 280s@6.56mma; 280s@9.2mma ® 280s@7.88mma
349.6s@17.6mma Teff=10992±65 logg=7.92±0.049 g
< P > =338.0s M=0.566±0.024MSun
1334+012 SDSS 51955-0298-608 13:37:14.44 +01:04:43.8 g=18.57 715s@10.0mma Teff=11533±156 logg=8.55±0.085 g
< P > =715s M=0.952±0.048MSun
WDJ 1338-0023 SDSS 51955-0298-024 13:38:31.74 -00:23:28.0 g=17.09 196.84s@4.02mma; 119.76s@2.51mma Teff=11867±78 logg=8.13±0.04 f
254.77s@2.21mma old NOV gemini07
1342-237 EC13429-2342 13:45:46.6 -23:57:11 B=16.1 1177.0s@6.17mma; 982.0s@5.17mma Teff=10910 logg=7.99 SPEC i
< P > =1096.6s M=0.600MSun
1343-006 SDSS 51666-0300-288 51943-0300-282 13:45:50.92 -00:55:36.4 g=16.71 254.4s@2.4mma; Teff=11800±60 logg=8.04±0.03 b
195.2s@5.5mma; 195.5s@3.9mma ®195.3s@4.7mma
< P > =207.5s M=0.632±0.019MSun
1349+552 LP133-144 SDSS 52791-1322-018 13:51:20.28 +54:57:42.5 g=15.70 209.18s@10mma; 305.7s@5.32mma Teff=11800 logg=7.87 M=0.544MSun c
327.32s@4.03mma Teff=11455± 44 log g=8.01± 0.02 M=0.61± 0.01 MSun
< P > =241.4s
1350+656 G238-53 SDSS 51989-0497-041 13:52:10.99 +65:24:57.2 g=15.43 206s@9mma Fontaine et al. 1984
< P > =206s Teff=11890 logg=7.91 M=0.55MSun c
Teff=11470±197 M=0.558±0.008MSun h
Teff=11817±53 log g=8.02 ± 0.02 M=0.62±0.01MSun
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
1352+013 SDSS 51641-0301-322 51942-0301-324 13:54:59.88 +01:08:19.3 g=16.35 322.9s@1.9mma; 291.6s@2.2mma Teff=11700±50 logg=8.00±0.02 b
198.3s@6.0mma; 173.3s@1.1mma M=0.606±0.011MSun
127.8s@1.5mma
< P > =213.2s
1353+551 SDSS 52797-1323-161 13:55:31.03 +54:54:04.5 g=18.58 324.0s@21.8mma Teff=11580±140 logg=7.95±0.088 e
< P > =324.0s M=0.582±0.045MSun
1401-147 EC14012-1446 14:03:57 -15:01:10 V=15.67 610.1s@60mma (f1) Stobie et al. 1995
723.6s@18.5mma (f2) Teff=11900 logg=8.16 M=0.70MSun c
306s@17.3mma (2*f1)
530.5s@18.5mma (f3)
398.9s@13.5mma (f4)
331s@11mma (f1+f2)
937.2s@11mma (f5)
241s@10mma (f1+f4)
3857s@9mma (f1-f2)
284s@10.5mma (f1+f3)
< P > 564.1s
1406+050 SDSS 52045-0582-551 14:08:59.47 +04:45:54.7 g=17.93 849s@24.3mma Teff=10938±64 logg=8.06±0.044 g
< P > =849s M=0.643±0.028MSun
1414+012 SDSS 51609-0304-345 51957-0304-338 14:17:08.81 +00:58:27.2 g=18.04 894.5s@44.0mma; 812.5s@31.5mma Teff=11300±80 logg=8.04±0.05 b
< P > =866.7s M=0.631±0.031MSun
1422+095 GD165 14:24:39 +09:17:13 V=14.32 120.32s; 120.36s; 120.42; 192.77s M*=0.65MSun, MH=2×10-4M*
192.68s; 192.58s; 249.9s; 114.3s Teff=11980 logg=8.06±0.05
M=0.65MSun Bradley 2001
Teff=12240±230 logg=8.12±0.24
M=0.68±0.14MSun j
Teff=12384±57 M=0.649±0.019MSun h
1425-811 L19-2 14:33:09 -81:20:04 V=13.75 118.68s; 118.52s@1.81mma; 118.36s; 193.10s Teff=12100 logg=8.21±0.05
192.61s@5.8mma; 192.13s; 350.15s@1mma M=0.74MSun Bradley 2001
348.73s; 113.78s@2.1mma; 113.27s Teff=12150±100 logg=8.15±0.15
143.42s@0.55mma; 143.04s M=0.70±0.10MSun j
1429-037 HE 14:32:03 -03:56:38 V=15.8 1084.9s@16.3mma; 969.0s@12.7mma; Teff=11434±36 logg=7.82±0.02
829.3s@18.3mma; 450.1s@10.2mma Silvotti et al. 2005
< P > =888.2s M=0.519±0.010MSun
1440+013 SDSS 52027-0537-279 14:43:30.93 +01:34:05.9 g=18.71 1085.0s@5.2mma; 968.9s@7.5mma Teff=11830±150 logg=8.15±0.20 b
< P > =1006.6s M=0.702±0.124MSun
1459+001 SDSS 51990-0310-229 15:02:07.02 -00:01:47.2 g=18.69 687.5s@12.0mma; 629.5s@32.6mma Teff=11200±120 logg=8.00±0.08 b
581.9s@11.1mma; 418.2s@14.9mma M=0.605±0.045MSun
313.6s@13.1mma g
603s@28.1mma; 604s@35.5mma ® 603.5s@31.8mma
658s@27.0mma
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
1521-003 SDSS (no spectra) 15:24:03.25 -00:30:22.9 g=16.03 873.2s@111.5mma (f1); 434.0s@47.8mma b
922.33s@28.49mma; 833.92s@26.69mma Susan's obs; contaminated star
505.42s@18.38mma; 891.00s@14.57mma /home/rocky/sthomp/may05/WD1524/
1032.2s@11.38mma; 625.90s@10.10mma /MODES/Periods13
582.64s@9.78mma; 437.95s@10.54mma (2f1)
788.88s@7.85mma; 357.07s@6.28mma
400.99s@6.45mma; 312.95s@4.68mma
326.50s@5.93mma
1531-016 SDSS 52411-0925-139 15:33:32.96 -02:06:55.7 g=16.43 260.6s@5.3mma; 257.8s@4.3mma ®259.2s@4.8mma
< P > =259.2s Teff=11350±40 logg=8.20±0.02 f
M=0.733±0.013MSun
1531+7436 - 15:30:35.4 +74:26:04 B=16.2 112.5s@4.23mma; 111.5s@3.38mma ® 112.0s@3.8mma
< P > =112s Teff=12360 logg=8.17 PHOT i
M=0.716MSun
1541+650 PG 15:41:44 +64:53:56 V=15.7 757s; 689.7s; 564s; 467.3s Vauclair et al. 2000
Teff=11600 logg=8.10 M=0.67MSun c
1559+369 LHS3146 16:01:23 +36:48:35 V=14.2 796s@43mma; 971s@42mma McGraw & Robinson 1976
R808 Teff=11160 logg=8.04 M=0.63MSun c
Teff=11360±140 logg=8.12±0.17
M=0.68±0.10MSun
Teff=10900±170 logg=7.58±0.20
M=0.40±0.08MSun j
Teff=10876±359 M=0.485±0.002MSun h
Teff=11089±187 M=0.620±0.007MSun h
1616-002 SDSS 51693-0346-109 16:18:37.24 -00:23:02.7 g=19.26 644.0s@5.4mma Teff=10860±160 logg=8.16±0.12 f
< P > =644s M=0.707±0.077MSun
1616+435 SDSS 52374-0815-390 16:17:37.63 +43:24:43.8 g=18.37 889.6s@36.6mma; 626.3s@24.1mma Teff=11190±97 logg=8.03±0.07 b
< P > =810.0s M=0.625±0.042MSun
1625+1231 HS 16:28:13.8 +12:24:56 B=16.1 862.9s@48.87mma; 533.6s@23.60mma Teff=11270 logg=8.06 PHOT i
425.8s@13.90mma; 385.2s@16.99mma M=0.644MSun
353.0s@10.69mma; 325.5s@13.31mma
268.2s@13.34mma; 248.9s@9.87mma
203.7s@7.77mma
< P > =674.3s
1639+353 SDSS 52767-1339-618 16:41:15.61 +35:21:40.6 g=19.04 809.3s@27.3mma Teff=11235±165 logg=8.42±0.10 f
< P > =809.3s M=0.87±0.06 MSun
1647+591 G226-29 16:48:25 +59:03:27 V=12.23 109.0867s@2.49mma; 109.27838s@1.08mma; 109.47239s@2.82mma Teff=12460 logg=8.28 M=0.79MSun c
< P > =109.3s SEISMOLOGY
Teff=12050±160 logg=8.19±0.13 j
M=0.73±0.08MSun
Teff=12260 logg=8.31 M=0.80MSun a
Teff=12237±91 M=0.696±0.005MSun h
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
1650+3010 SDSS 52790-1343-174 16:50:20.53 +30:10:21.2 g=18.11 339.06s@14.71mma Teff=11100±90 logg=8.76±0.08 f
M=1.07±0.04MSun
1659+359 SDSS 52433-0820-110 52438-0820-104 17:00:55.38 +35:49:51.0 g=17.27 955.3s@20.4mma; 893.4s@54.7mma Teff=11160±50 logg=8.04±0.04 b
450.5s@19.3mma M=0.631±0.026MSun
< P > =856.6s
1711+657 SDSS 51691-0350-362 17:11:13.00 +65:41:58.3 g=16.95 1248.2s@3.2mma; 690.2s@3.3mma Teff=11310±40 logg=8.64±0.03 b
606.3s@5.2mma M=1.000±0.016MSun
< P > =761.7s
1714-547 BPM24754 17:19:01 -54:45:53 V=15.55 1046.2s; 643.7s; 1234.1s; 1356.6s; 1124.0s Teff=12900±320 logg=8.04±0.08
Amplitude variation M=0.63±0.04MSun Giovannini et al. 1998
Teff=11070 logg=8.03 M=0.62MSun c
Teff=11282±331 M=0.639±0.002MSun h
1723+586 SDSS 52017-0366-264 17:24:28.42 +58:35:38.9 g=17.54 337.9s@5.9mma; 279.5s@8.3mma Teff=11540±80 logg=7.89±0.05 b
189.2s@3.2mma M=0.553±0.024MSun
< P > =289.2s
1731+591 SDSS 52017-0366-591 17:32:35.20 +59:05:33.4 g=18.73 1248.4s@22.5mma; 1122.4s@10.2mma Teff=10860±100 logg=7.99±0.08 b
< P > =1226.9s M=0.600±0.044MSun
1824+6000 HS 18:24:44.3 +60:01:58 B=15.7 294.3s@8.84mma Teff=11190 logg=7.65 PHOT i
384.4s@3.30mma; 304.4s@7.66mma ® Second night
< P > =305.0s
329.6s@13.56mma ® Third night
P=225.067s@7.5mma,286.114s@5.4mma,320.851s@8.6mma,363.479@7.0mmaSteinfadt 08
M=0.436MSun
1855+338 G207-9 18:57:30 +33:57:19 V=14.63 740.7s@46.4mma; 557.4s@63.4mma Robinson et al. 1976
318.0s@64mma; 292.0s@49mma Teff=11950 logg=8.35 M=0.83MSun c
259.1s@17.3mma Teff=11910±170 logg=8.25±0.20
< P > =456.2s M=0.77±0.13MSun j
Teff=11079±12 M=0.849±0.007MSun h
1935+276 G185-32 19:37:13 +27:43:18 V=13.02 215.74s@1.93mma; 265.17s@0.46mma Teff=12130 logg=8.05 M=0.64MSun c
300.60s@1.04mma; 370.21s@1.62mma Teff=11820±110 logg=7.92±0.10
651.70s@0.67mma; (141.87s@1.43mma) M=0.57±0.05MSun j
72.54s@0.93mma Teff=12167±63 M=0.566±0.078MSun h
< P > =280.4s
1950+250 GD385 19:52:27 +25:09:26 V=15.13 256.127s@11.4mma; 256.332@10.9mma ® 256.s@11.15mma
128.115s@3.7mma 256s has amplitude variation, but not the
< P > =243.5s 128s, so it can't be the harmonic
Teff=11710 logg=8.04 M=0.63MSun c
Fontaine 1976 (pc) Kepler 1984
Teff=12116±169 M=0.722±0.009MSun h
1959+059 GD 266 20:02:12.9 +06:07:35 B=16.4 1350.4s@5.69mma Teff=11033 logg=8.23 M=0.752MSun i
< P > =1350.4s
2126-002 SDSS 52932-1522-037 21:28:08.49 -00:07:50.8 g=17.97 302.2s@17.1mma; 274.9s@11.0mma Teff=11440±100 logg=8.29±0.07 f
289.0s@9.7mma M=0.791±0.045MSun
< P > =293.2s
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
2132-079 SDSS 52199-0641-112 21:35:30.32 -07:43:30.7 g=18.60 565.4s@49.8mma; 510.6s@16.8mma Teff=11190±120 logg=7.67±0.09 f
323.2s@13.0mma; 299.9s@22.9mma M=0.446±0.044MSun
281.8s@13.3mma
< P > =497.7s
2148-281 MCT2148-2911 21:51:38 -28:56:42 V=16.10 260.8s@12.6mma Teff=11740 logg=7.82 M=0.51MSun a
< P > =260.8s
G 232-38 21:49:57 +54:08:33 V=16,74 984,0s@2,2mma; 1147,4s@1,9mma; 741,6s@1,9mma11350 8,01 ref5
2151-075 SDSS 52149-0644-628 21:53:54.11 -07:31:21.9 g=18.45 210.2s@5.6mma Teff=11930±130 logg=8.07±0.06 f
< P > =210.2s M=0.652±0.038MSun
2156+131 SDSS 52224-0734-419 21:59:05.53 +13:22:55.8 g=18.87 801.0s@15.1mma; 683.7s@11.7mma Teff=11740±159 logg=8.64±0.07 e
< P > =757.0s M=1.00±0.03MSun
WDJ 2209-0919 SDSS 52206-0718-196 22:09:15.84 -09:19:42.5 g=18.39 894,7s@43,8mma; 448,2s@10,9mma; 789,5s@10,2mma; 968,7s@6,3mma; 294,7s@5.1mma; 221,9s@4,7mmaTeff=11431±109 logg=8.33±0.06 24
2212-004 SDSS 51791-0374-180 22:14:58.36 -00:25:11.9 g=17.91 255.2s@13.1mma; 195.2s@6.1mma Teff=11439±78 logg=8.33±0.05 e
< P > =244.5s M=0.82±0.02 MSun
2229+133 SDSS 52521-0738-470 22:31:35.71 +13:46:52.8 g=18.63 707.5s@17.1mma; 627.0s@26.3mma Teff=11080±100 logg=7.95±0.07 f
619.7s@26.3mma; 548.7s@13.7mma M=0.581±0.035MSun
382.4s@14.6mma
< P > =603.7s
2254+126 GD244 22:56:46 +12:52:50 V=16.1 307.0s@14.6mma; 256.3s@10.6mma Teff=11680 logg=8.08 M=0.657MSun d
294.6s@ > 5.6mma; 203.3s@4.8mma Teff=11438±85 M=0.671±0.005MSun h
< P > =284.7s
2303+242 PG 23:06:27 +24:32:08 V=15.5 900.5s@16mma (f1) Vauclair et al. 1987
794.5s@56mma (f2) Teff=11480 logg=8.09 M=0.66MSun c
675.4s@8mma (f3-) Forget classification
623.4s@15mma (f3) Teff=11453±133 M=0.864±0.002MSun h
570.7s@8mma (f3+)
494.1s@8mma (2f3-f2)
424.3s@8mma (f1+f2)
397.3s@11mma (2f2)
349.3s@11mma (f2+f3)
304.7s@8mma (2f3)
268.4s@4mma (3f2)
251.7s@6mma (f1+f2+f3)
< P > =785.6s
2305-090 SDSS 52258-0725-586 23:07:26.66 -08:47:00.3 g=18.84 1212.2s@25.6mma; 617.0s@12.5mma Teff=11060±110 logg=8.19±0.09 f
< P > =1097.6s M=0.726±0.057MSun
2326+049 G29-38 23:28:47 +05:14:54 V=13.06 M*=0.75MSun MH=5×10-7M*
Teff=11510±120 logg=8.00±0.10
M=0.61±0.06MSun j
Teff=11820 logg=8.14 M=0.69MSun c
Teff=11482±267 M=0.591±0.003MSun h
2334+0103 SDSS 52524-1094-573 23:34:58.71 +01:03:03.1 g=19.24 923.15s@40.37mma Teff=11400±210 logg=7.99±0.14 f
M=0.60±0.08MSun
2336-079 GD1212 23:38:50-07:41:24 V=16.1 1160.7s@5.4mma Teff=11040 logg=8.11 M=0.67MSun a
< P > =1160.7s
WD name Other name RA DEC Magnitude Detected periodicities and modes Other information
2347+128 G30-20 23:49:53 +13:06:13 V=15.9 1068s@13.8mma Teff=11000±100 logg=8.50±0.10
< P > =1068s Mukadam et al. 2002 asm0094-99
M=0.924±0.059MSun
Teff=11070 logg=7.95 M=0.58MSun c
Teff=11268±253 M=0.571±0.006MSun h
2348-011 SDSS 51788-0386-135 52523-0684-253 23:50:40.74 -00:54:30.8 g=18.10 391.1s@7.5mma; 304.3s@17.0mma Teff=10350±60 logg=8.31±0.06 b
273.3s@6.2mma M=0.802±0.038MSun
< P > =313.9s
2348-244 EC23487-2424 23:51:22 -24:08:17 V=15.33 992.98s@37.7mma; 804.46s@19.3mma Stobie et al. 1993
868.21s@12.8mma; 989.26s@11.0mma Teff=11520 logg=8.10 M=0.67MSun c
< P > =949.1s
References
a,5 Gianninas et al. 2006
b,1 Mukadam et al. 2004
c,6 Bergeron et al. 2004
d Fontaine et al. 2003
e,9 Mullally et al. 2005
f,3,23,24 Castanheira et al. 2006 e 2007a,b
g,8 Kepler et al. 2005
i,15,25 Voss et al. 2006/2007
j Koester & Allard 2000
h Alex (tese) 
2=Homeier et al. 1998;
4=Fontaine et al.2001;
7=Vauclair et al. 1992;
10=Mukadam et al. 2002;
11=O'Donoghue, Warner & Cropper 1992;
12=Dolez 1998;
13=Giovannini et al. 1998;
14=Kepler et al. 1995;
16=Murillo 2007;
17=Vauclair et al. 1997;
18=Vauclair et al. 2000;
19=Mukadam et al. 2006;
20=Kepler et al. 1995;
21=Silvotti et al. 2005;
22=Gianninas et al. 2007.
26=R. Stobie, D. Kilkenny, C. Koen, D. O'Donoghue, SAAO Newsletter No. 27, 3, 1996.
Star (SDSS J)Teff (K) logg Mass (Msun) g (mag) Period (s) A (mma)
004345.78+005549.9 11 820±190 7.94±0.10 0.58±0.05 18.74 258.24 6.69
012234.68+003025.8 11 800±50 7.87±0.02 0.54±0.01 17.29 121.07 1.53
200.75 1.25
358.61 1.23
012950.44-101842.0 11 910±130 8.00±0.03 0.61±0.02 18.32 193.76 2.88
147.42 2.33
030153.81+054020.0 11 470±50 8.09±0.03 0.66±0.02 18.05 300.83 24.87
092511.60+050932.4 10 880±30 8.41±0.02 0.87±0.01 15.20 1127.14 3.17
1264.29 3.05
095936.96+023828.4 11 840±110 8.05±0.06 0.64±0.04 18.15 283.41 12.95
194.68 7.23
110525.70-161328.5 11 670±90 8.23±0.03 0.75±0.02 17.54 192.66 12.09
298.25 7.09
113604.01-013658.1 11 710±70 7.96±0.04 0.59±0.02 17.84 260.79 2.45
133831.74-002328.0 11 870±80 8.13±0.04 0.69±0.02 17.09 196.93 3.97
119.72 1.75
214723.73-001358.4 11 990±290 7.92±0.11 0.57±0.06 18.98 199.77 3.88
220915.84-091942.5 11 430±110 8.33±0.06 0.82±0.04 18.93 894.71 43.94
447.94 10.80
789.31 10.37 
SDSS J034939.35+103649.9 Teff (K) 11 715+-41 log g 8.40+-0.02 Mass (Msun) 0.86+-0.01 g (mag) 16.64 Period (s) Amplitude (mma) 184.50 3.76 
SDSS J094000.27+005207.1 10 692+-75 8.42+-0.07 0.87+-0.04 18.12 254.98 17.13 255.75 8.02
SDSS J120054.55-025107.0 11 986+-143 8.33+-0.06 0.82±0.04 18.15 304.78 23.72 271.30 13.09 257.10 6.69 294.10 6.69
SDSS J161218.08+083028.1 12 026+-126 8.46+-0.04 0.90±0.03 17.75 115.17 5.06 117.21 4.05
SDSS J220830.02+065448.7 11 104+-29 8.49+-0.03 0.92±0.02 17.91 757.23 4.46 668.07 4.05
Volta Astronomia e Astrofísica


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