2005AJ....130..734V

Query : 2005AJ....130..734V

2005AJ....130..734V - Astron. J., 130, 734-741 (2005/August-0)

Magnetic white dwarfs from the SDSS. II. The second and third data releases.

VANLANDINGHAM K.M., SCHMIDT G.D., EISENSTEIN D.J., HARRIS H.C., ANDERSON S.F., HALL P.B., LIEBERT J., SCHNEIDER D.P., SILVESTRI N.M., STINSON G.S. and WOLFE M.A.

Abstract (from CDS):

Fifty-two magnetic white dwarfs have been identified in spectroscopic observations from the Sloan Digital Sky Survey (SDSS) obtained between mid-2002 and the end of 2004, including Data Releases 2 and 3. Although not as numerous or diverse as the discoveries from the first data release, the collection exhibits polar field strengths ranging from 1.5 to ∼1000 MG and includes two new unusual atomic DQA examples, a molecular DQ, and five stars that show hydrogen in fields above 500 MG. The highest field example, SDSS J2346+3853, may be the most strongly magnetic white dwarf yet discovered. Analysis of the photometric data indicates that the magnetic sample spans the same temperature range as for nonmagnetic white dwarfs from the SDSS, and support is found for previous claims that magnetic white dwarfs tend to have larger masses than their nonmagnetic counterparts. A glaring exception to this trend is the apparently low-gravity object SDSS J0933+1022, which may have a history involving a close binary companion.

Abstract Copyright: ∼

Journal keyword(s): Stars: Magnetic Fields - Stars: White Dwarfs

VizieR on-line data: <Available at CDS (J/AJ/130/734): table1.dat table2.dat>

Simbad objects: 66

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Number of rows : 66
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 SDSS J002128.59+150223.8 WD* 00 21 28.5971487288 +15 02 23.906004396           DAP 23 0
2 GALEX J014245.3+131546 WD* 01 42 45.3733239768 +13 15 46.381990824           DBH 20 0
3 SDSS J021148.22+211548.2 WD* 02 11 48.1781405904 +21 15 48.425363316           DAP 23 0
4 GALEX J023609.4-080822 WD* 02 36 09.3681802104 -08 08 23.970590772   19.8   20.4   DQAP 10 0
5 PB 6994 WD* 03 04 07.4050158408 -00 25 41.967851664   18.2       DAH 27 0
6 KUV 03292+0035 WD* 03 31 45.6928429512 +00 45 16.985424096     16.7     DAH 37 0
7 EGGR 248 WD* 05 51 19.4818569216 -00 10 21.107152956   15.06 14.60     DQ8P 165 0
8 SDSS J074850.48+301944.8 G 07 48 50.48304 +30 19 45.0480           ~ 3 1
9 SDSS J080440.35+182731.0 WD* 08 04 40.3563502440 +18 27 30.996421848           DAP 13 0
10 GALEX J080502.2+215320 WD* 08 05 02.2875959952 +21 53 20.543610660           DAP 13 0
11 GALEX J080938.1+373054 WD* 08 09 38.1096889776 +37 30 53.870046156           DAP 10 0
12 GALEX J081648.7+041223 WD* 08 16 48.7115308344 +04 12 23.550451632           DAP 7 0
13 GALEX J082835.8+293448 WD* 08 28 35.8259651208 +29 34 48.745017552           DAP 8 0
14 GALEX J084008.4+271242 WD* 08 40 08.5025349408 +27 12 42.646107888   18.4   18.8   DAP 11 0
15 GALEX J090632.6+080715 WD* 09 06 32.6470505616 +08 07 16.154415660           DAP 18 0
16 GALEX J090746.6+353821 WD* 09 07 46.8423193800 +35 38 21.551885304           DAP 10 0
17 GALEX J091124.7+420256 WD* 09 11 24.6913353384 +42 02 55.846046580           DAP 16 0
18 SDSS J091437.35+054453.2 WD* 09 14 37.3551792504 +05 44 53.303166240     17.84     DAP 18 2
19 SDSS J093356.39+102215.6 WD* 09 33 56.3893350096 +10 22 15.831596928           DAP 14 0
20 GALEX J093447.7+503313 WD* 09 34 47.8840203672 +50 33 12.168704664     19.07     DAP 16 1
21 GALEX J094458.9+453901 WD* 09 44 58.9265530296 +45 39 01.213713144           DAP 8 0
22 GALEX J095442.9+091353 WD* 09 54 42.9169268664 +09 13 52.216277844           DQP 10 0
23 GALEX J100356.3+053826 WD* 10 03 56.3186475960 +05 38 25.542833532           DAP 16 0
24 SDSS J100715.55+123709.5 WD* 10 07 15.5517650544 +12 37 09.519265956           DAP 17 0
25 LP 315-42 WD* 10 11 41.5774767696 +28 45 59.070596780   18.85   16.1   DQ 53 0
26 GALEX J101529.6+090704 WD* 10 15 29.6183651880 +09 07 03.709370820           DAP 20 0
27 G 43-54 WD* 10 29 07.4644835685 +11 27 19.279329583   17.20   16.2   DAP7 51 0
28 Ton 527 WD* 10 33 49.1967544416 +23 09 16.254781992   15.3 15.73     DAP2 120 0
29 GALEX J111812.6+095242 WD* 11 18 12.6751864248 +09 52 41.516717736           DAH 15 0
30 GALEX J112926.2+493931 WD* 11 29 26.2263499176 +49 39 31.897288584           DAH 16 1
31 SDSS J113756.50+574022.4 WD* 11 37 56.5092726696 +57 40 22.709928216           DAP 25 0
32 GALEX J114829.0+482731 WD* 11 48 28.9895365080 +48 27 31.239088344           DAP 15 0
33 GALEX J120150.1+614257 WD* 12 01 50.1365062248 +61 42 56.866554036   18.79 18.80     DAP 18 1
34 GALEX J120609.8+081323 WD* 12 06 09.8345427912 +08 13 23.725069140           DAP 15 0
35 GALEX J120729.0+440731 WD* 12 07 28.9497855504 +44 07 31.617497208           DAP 11 0
36 LP 614-59 WD* 12 14 56.3828498044 -02 34 02.838235659   17.7 17.85     DZP 49 0
37 GALEX J122249.1+481133 WD* 12 22 49.1350374216 +48 11 33.082508148           DAP 17 0
38 GALEX J122401.4+415551 WD* 12 24 01.4664612336 +41 55 51.997393272           DAP 14 0
39 RMB 90 ** 12 34 14.1065674368 +12 48 29.645490744   17.0       DAH+DA: 26 0
40 GALEX J124806.3+410427 WD* 12 48 06.3754822224 +41 04 27.160571496           DAP 18 0
41 PM J12507+1549 CV* 12 50 44.4484545000 +15 49 57.602557956     18.28     DAP 42 0
42 SDSS J125416.00+561204.6 WD* 12 54 15.9944394648 +56 12 04.682020104           DAP 12 0
43 PG 1312+099 WD* 13 15 08.9589505536 +09 37 13.900123380   16.41 16.37     DAH 44 2
44 GALEX J132002.5+131901 ** 13 20 02.4860275992 +13 19 01.498292832           DA+M 10 0
45 SDSS J132858.19+590851.0 WD* 13 28 58.2162380184 +59 08 51.112696920           DQAP 24 0
46 EGGR 437 WD* 13 32 50.7243936792 +01 17 06.326972952   17.49   16.9   DC+DA 49 0
47 SBSS 1349+545 WD* 13 51 41.1712315680 +54 19 47.224875216   15.9 16.4     DAP 40 0
48 PG 1412+613 HS* 14 14 20.9702967792 +61 01 07.792902804   14.61 14.87 15.18   sdOC 27 1
49 CSO 453 WD* 14 27 03.3683099712 +37 21 10.583211060   17       DAP 18 0
50 GALEX J143218.2+430127 WD* 14 32 18.2588667888 +43 01 26.740141104           DAP 12 0
51 GALEX J143235.4+454852 WD* 14 32 35.4677552880 +45 48 52.580363292           DAP 11 0
52 GALEX J145415.0+432149 WD* 14 54 14.9981692296 +43 21 49.496966352           DAP 14 0
53 CBS 229 WD* 15 08 13.2557711664 +39 45 04.788056016           DAP 16 0
54 GALEX J151130.2+422023 WD* 15 11 30.1579933152 +42 20 22.921660176           DAP 23 1
55 GD 185 WD* 15 34 05.9995795608 -02 27 08.259662988   14.03 14.03 13.9   DA2.6 64 0
56 GALEX J164357.0+240201 WD* 16 43 57.0234109320 +24 02 01.354755372           DAP 10 0
57 SDSS J164703.23+370910.2 WD* 16 47 03.2393056224 +37 09 10.235145672           DAH 16 0
58 GALEX J165029.9+341125 WD* 16 50 29.9135106504 +34 11 25.520161092           DAH 17 0
59 GALEX J170359.9+321328 WD* 17 04 00.0078700128 +32 13 28.576663428           DAP 12 0
60 GALEX J171556.1+600644 WD* 17 15 56.2784567640 +60 06 43.704209520           DAP 12 0
61 LAWD 73 WD* 19 00 10.2533239461 +70 39 51.416733790   13.24   13.5   DAP4.5 264 0
62 GALEX J214900.8+004842 WD* 21 49 00.8661819672 +00 48 42.759092736           DAP 8 0
63 GALEX J224741.4+145638 WD* 22 47 41.4582880872 +14 56 38.845368420   17.6   17.4   DAH 27 1
64 GALEX J231951.7+010909 WD* 23 19 51.72072 +01 09 09.4212   19.2   18.8 18.37 DAP 12 0
65 GALEX J234605.4+385337 WD* 23 46 05.4459725712 +38 53 37.729755528           DAP 16 0
66 PB 7920 WD* 23 46 23.6816980656 -10 23 56.967765252   19       DAP 16 0

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