2002A&A...394..957G

Query : 2002A&A...394..957G

2002A&A...394..957G - Astronomy and Astrophysics, volume 394957-963 (2002/11-2)

Magnetic white dwarfs in the Early Data Release of the Sloan Digital Sky Survey.

GAENSICKE B.T., EUCHNER F. and JORDAN S.

Abstract (from CDS):

We have identified 7 new magnetic DA white dwarfs in the Early Data Release of the Sloan Digital Sky Survey. Our selection strategy has also recovered all the previously known magnetic white dwarfs contained in the SDSS EDR, KUV03292+0035 and HE0330-0002. Analysing the SDSS fibre spectroscopy of the magnetic DA white dwarfs with our state-of-the-art model spectra, we find dipole field strengths 1.5MG≤Bd≤63MG and effective temperatures 8500≤Teff≤39000K. As a conservative estimate, we expect that the complete SDSS will increase the number of known magnetic white dwarfs by a factor 3.

Abstract Copyright: ∼

Journal keyword(s): stars: white dwarfs - stars: magnetic fields - stars: atmospheres

CDS comments: Grw +70 8047 is a misprint for +70 8247.

Simbad objects: 13

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Number of rows : 13
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 8995 WD* 02 01 43.6476688152 -03 01 59.829919572   16.7 17.1 16.9   DAH 17 0
2 PB 6994 WD* 03 04 07.4050158408 -00 25 41.967851664   18.2       DAH 27 0
3 MWD 0307-428 WD* 03 09 38.1831821280 -42 40 42.715193484     16.3     DAH 20 0
4 KUV 03292+0035 WD* 03 31 45.6928429512 +00 45 16.985424096     16.7     DAH 37 0
5 HE 0330-0002 WD* 03 33 20.3685575184 +00 07 20.656091172   16.8       DBH 36 0
6 GALEX J034511.0+003444 WD* 03 45 11.1033425592 +00 34 44.220257004           DAH 18 0
7 2QZ J121635.3-002657 WD* 12 16 35.3656894536 -00 26 56.334821568           DAH 16 0
8 2QZ J122209.4+001533 WD* 12 22 09.4381766184 +00 15 34.138253304           DAH 12 0
9 GALEX J172045.3+561216 WD* 17 20 45.3616859712 +56 12 14.841508464           DAH 16 0
10 GALEX J172329.1+540755 WD* 17 23 29.1448978656 +54 07 55.784598528           DAH 20 0
11 LAWD 73 WD* 19 00 10.2533239461 +70 39 51.416733790   13.24   13.5   DAP4.5 264 0
12 SDSS J232248.21+003900.9 WD* 23 22 48.2146654416 +00 39 01.008163368           DAH 17 0
13 PHL 493 WD* 23 23 37.5548711496 -00 46 28.300198584   18.3 18.5     DBH 16 0

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