USNO-B1.0 1419-00233520

All names: WD 1046+521, Gaia EDR3 836823151552466304, WDJ104911.54+515423.82, USNO-B1.0 1419-00233520, SDSS J104911.52+515423.5, J1049+5154, SDSS J104911.52+515423.6, Gaia DR2 836823151552466304, Gaia DR3 836823151552466304, GALEX J104911.5+515422, SDSS J104911.53+515423.5, LSPM J1049+5154, WIRED J104911.53+515423.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 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 10 49 11.43 (0.05) 10 49 11.52 10 49 11.54 10 49 11.44 (0.06) 10 49 11.43 10 49 11.54 (0.05) 10 49 11.44 10 49 11.53 10 49 11.33 10 49 11.53
Declination 51 54 21.38 (0.09) 51 54 23.57 51 54 23.82 51 54 21.46 (0.1) 51 54 21.38 51 54 23.82 (0.09) 51 54 21.46 51 54 23.55 51 54 19.44 51 54 23.50
Spectral type DZ DZ DZ DZ DZ DZ DZ DZ DZM: DZ
Effective temperature [K] 6988.0 (40) 6847.0 (37) 7224.0 (73) 6680.0 (40) 7174.0 (86) 10084.0 (14) 10086.0 (18)
log(g) [cgs] 8.01 (0.01) 7.96 (0.02) 8.10 8.00 8.04 (0.02) 8.47 (0.5) 9.39 (0.4)
Mass [M] 0.582 (0.01) 0.547 (0.01) 0.6367 0.598 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.6200 1.6800
log(H/He) -3.0 -4.0 <-3.9517 -4.41 (0.2)
log(C/He)
log(Ca/He) -9.05 -9.65 -8.7697 (0.05) -9.43 (0.05)
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] 12.70 (0.1) 12.55 (0.2) 12.55 12.55 (0.2) 12.70 12.70 (0.1) 12.55 (0.2)
Distance [pc] 78.75 (0.7) 79.68 (1) 79.69 (1) 79.69 (1) 72.00 78.75 78.75 (0.7) 79.69 (1)
Composition He He He
Proper motion (right ascension) [mas/yr] -61.09716724 (0.08) -61.09982491 (0.2) -61.097 (0.08) -61.09982491 29.1
Proper motion (declination) [mas/yr] -152.4533785 (0.1) -152.3119292 (0.3) -152.453 (0.1) -152.3119292 -120.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.20
V magnitude
R magnitude 17.90
I magnitude
J magnitude 17.58 (0.03)
H magnitude
K magnitude
u magnitude 18.68 (0.02) 18.69 (0.02) 18.68 (0.02) 18.68 (0.02) 18.65 (0.04) 18.04 18.66 (0.04)
g magnitude 18.00 (0.006) 18.00 (0.006) 18.00 (0.006) 18.05 (0.02) 18.04 18.06 (0.02)
r magnitude 17.86 (0.006) 17.86 (0.006) 17.86 (0.006) 17.86 (0.01) 17.85 (0.02)
i magnitude 17.94 (0.008) 17.94 (0.008) 17.94 (0.008) 17.95 (0.02) 17.96 (0.02)
z magnitude 18.01 (0.02) 18.01 (0.02) 18.01 (0.02) 18.00 (0.03) 18.02 (0.03)
G magnitude 17.85 (0.007) 17.87 17.85 17.85 (0.003) 17.87
BP magnitude 18.00 (0.007) 18.03 18.03
RP magnitude 17.62 (0.01) 17.62 17.62
Pan g magnitude 17.94 (0.004) 17.94 (0.004)
Pan r magnitude 17.87 (0.003) 17.87 (0.003)
Pan i magnitude 17.93 (0.004) 17.93 (0.003)
Pan z magnitude 18.05 (0.008) 18.05 (0.01)
Pan y magnitude 18.11 (0.02) 18.11 (0.02)
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.