PG 0948+013

All names: WDJ095102.23+010432.56, SDSS J095102.22+010432.5, GSC 00237-01689, SDSS J095102.23+010432.60, ** GRV 1037B, LAMOST J095102.22+010432.5, ** GRV 1149A, DENIS J095102.2+010432, TIC 275185321, WDS J09510+0104B, UCAC3 183-104730, SDSS J095102.23+010432.6, WIRED J095102.23+010432.5, GALEX J095102.2+010431, 2MASS J09510222+0104326, LAMOST J095102.23+010432.5, Gaia EDR3 3834247326684614656, WD 0948+013, SDSS J095102.23+010432.5, Gaia DR3 3834247326684614656, PG 0948+013, Gaia DR2 3834247326684614656, USNO-B1.0 0910-00185921

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Guo et al. 2015 Koester & Kepler 2015 Bergeron et al. 2011 Voss et al. 2007 Harris et al. 2003 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 51 02.15 (0.05) 09 51 02.23 09 51 02.16 (0.08) 09 51 02.15 09 51 02.23 (0.05) 09 51 02.16 09 51 02.22 09 51 02.50 09 51 02.23
Declination 01 04 32.09 (0.05) 01 04 32.58 01 04 32.11 (0.08) 01 04 32.09 01 04 32.57 (0.05) 01 04 32.11 01 04 32.52 01 04 25.32 01 04 32.55
Spectral type DBA DBA DB;DBAH? DBA DB3 DB DB2 DBA DB DB2 DBAH: DB
Effective temperature [K] 16908.0 (296) 16906.0 16851.0 16854.0 16923.0 (35) 16810.0 (432) 16939.0 15753.0 (318) 17622.0 (25) 17044.0 (46)
log(g) [cgs] 7.98 (0.02) 8.09 7.97 7.97 8.09 (0.02) 8.09 (0.07) 7.97 7.89 (0.02) 8.22 (0.02) 8.14 (0.02)
Mass [M] 0.581 (0.01) 0.648 0.575 0.577 0.65 (0.04) 0.572 0.531 (0.02)
log(Luminosity) [L] -1.99
Cooling age [Gyr] 0.1279 0.1698 1.3540
log(H/He) -5.5 -5.324 -5.03 (0.1) -5.38 (0.3) -5.09
log(C/He)
log(Ca/He) <-7.21
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 11.10 (0.06) 10.99 (0.1) 11.10 11.10 (0.06) 10.99 (0.1)
Distance [pc] 90.09 (0.5) 90.97 (0.8) 82.00 77.00 90.09 90.09 (0.5) 90.97 (0.8)
Composition He He
Proper motion (right ascension) [mas/yr] -71.50651832 (0.06) -71.51037127 (0.1) -71.507 (0.06) -71.51 -67.8
Proper motion (declination) [mas/yr] -29.7104877 (0.05) -29.54381788 (0.1) -29.71 (0.06) -29.544 -30.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.89 15.89
V magnitude 15.59 15.75
R magnitude 16.30 (0.4)
I magnitude 15.77 (0.06)
J magnitude 16.16 (0.008)
H magnitude 16.23 (0.02)
K magnitude 16.31 (0.03)
u magnitude 15.46 (0.004) 15.47 15.46 (0.004) 15.45 (0.004) 15.47 (0.02) 15.47 15.47 (0.02)
g magnitude 15.57 (0.003) 15.59 15.57 (0.003) 15.57 (0.003) 15.60 (0.02) 15.59 15.60 (0.02)
r magnitude 15.90 (0.004) 15.95 15.90 (0.004) 15.91 (0.003) 15.95 (0.02) 15.95 15.95 (0.02)
i magnitude 16.16 (0.004) 16.15 16.16 (0.004) 16.16 (0.004) 16.16 (0.02) 16.16 16.17 (0.02)
z magnitude 16.41 (0.008) 16.44 16.41 (0.008) 16.43 (0.008) 16.45 (0.02) 16.45 16.46 (0.02)
G magnitude 15.74 (0.003) 15.76 15.74 15.74 (0.003) 15.76
BP magnitude 15.67 (0.003) 15.63 15.63
RP magnitude 15.87 (0.005) 15.87 15.87
Pan g magnitude 15.62 (0.005)
Pan r magnitude 15.92 (0.002)
Pan i magnitude 16.19 (0.003)
Pan z magnitude 16.43 (0.005)
Pan y magnitude 16.60 (0.004)
E(B-V) 0.003

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.