WD 0903+518

All names: J0907+5138, Gaia EDR3 1016560970179771264, SDSS J090729.10+513805.6, WD 0903+518, Gaia DR3 1016560970179771264, SDSS J090729.10+513805.7, WDJ090729.10+513805.63, Gaia DR2 1016560970179771264, SDSS J090729.10+513805.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism 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 07 29.11 (0.1) 09 07 29.10 09 07 29.11 (0.2) 09 07 29.11 09 07 29.10 (0.1) 09 07 29.11 09 07 29.11 09 07 29.11 09 07 29.10
Declination 51 38 04.61 (0.1) 51 38 05.61 51 38 04.65 (0.1) 51 38 04.61 51 38 05.63 (0.1) 51 38 04.65 51 38 05.68 51 37 59.88 51 38 05.69
Spectral type DC DC DC DC DC DC DC DC DC DC DC
Effective temperature [K] 6976.0 (62) 7089.0 (60) 7472.0 7220.0 6838.0 (186) 10082.0 (8) 10082.0 (8)
log(g) [cgs] 8.01 (0.03) 8.03 (0.03) 8.24 8.14 8.02 (0.05) 8.31 (0.5) 9.72 (0.3)
Mass [M] 0.579 (0.02) 0.593 (0.03) 0.742 0.665 0.588 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 1.6500 1.9430 1.8340
log(H/He) -3.4 -3.4
log(C/He)
log(Ca/He)
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] 10.22 (0.2) 10.14 (0.2) 10.14 (0.2) 10.22 10.22 (0.2) 10.14 (0.2)
Distance [pc] 97.81 (2) 98.62 (2) 98.57 (2) 97.81 97.81 (2) 98.57 (2)
Composition He
Proper motion (right ascension) [mas/yr] 6.409276352 (0.1) 6.570887809 (0.3) 6.409 (0.1) 6.571 8.0
Proper motion (declination) [mas/yr] -63.7723696 (0.1) -63.76846423 (0.3) -63.772 (0.1) -63.768 -61.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.08 (0.07)
H magnitude
K magnitude
u magnitude 19.12 (0.02) 19.08 (0.02) 19.12 (0.02) 19.08 (0.02) 19.10 (0.03) 19.10 19.13 (0.03)
g magnitude 18.68 (0.008) 18.68 (0.008) 18.70 (0.009) 18.63 (0.02) 18.65 18.65 (0.02)
r magnitude 18.54 (0.008) 18.54 (0.008) 18.61 (0.01) 18.48 (0.02) 18.48 18.49 (0.02)
i magnitude 18.58 (0.01) 18.58 (0.01) 18.58 (0.01) 18.51 (0.02) 18.52 18.53 (0.02)
z magnitude 18.62 (0.03) 18.62 (0.03) 18.74 (0.05) 18.61 (0.03) 18.61 18.63 (0.03)
G magnitude 18.50 (0.02) 18.53 18.50 18.50 (0.003) 18.53
BP magnitude 18.71 (0.02) 18.65 18.65
RP magnitude 18.23 (0.03) 18.22 18.22
Pan g magnitude 18.65 (0.01) 18.65 (0.009)
Pan r magnitude 18.54 (0.009) 18.54 (0.01)
Pan i magnitude 18.55 (0.005) 18.55 (0.004)
Pan z magnitude 18.60 (0.007) 18.60 (0.008)
Pan y magnitude 18.67 (0.04) 18.67 (0.03)
E(B-V) 0.005

* 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.