Gaia DR2 1486801267085903488

All names: Gaia DR3 1486801267085903488, Gaia EDR3 1486801267085903488, USNO-B1.0 1279-00276579, SDSS J144453.06+375912.7, WDJ144453.14+375912.70, J1444+3759, SDSS J144453.07+375912.7, Gaia DR2 1486801267085903488, LSPM J1444+3759

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 14 44 52.83 (0.1) 14 44 52.84 14 44 52.83 14 44 53.14 (0.1) 14 44 52.84
Declination 37 59 12.74 (0.2) 37 59 12.74 37 59 12.74 37 59 12.71 (0.2) 37 59 12.74
Spectral type DC DC DC DA: DC
Effective temperature [K] 5780.0 (65) 5774.0 (65) 5505.0 (62) 6127.0 5876.0 6179.0 (136)
log(g) [cgs] 8.09 (0.03) 8.07 (0.04) 7.89 (0.04) 8.25 8.11 8.29 (0.04)
Mass [M] 0.625 (0.03) 0.616 (0.03) 0.505 (0.03) 0.748 0.642 0.772 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 3.8400 3.8050 3.7220
log(H/He) -5
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] 10.94 (0.2) 10.83 (0.3) 10.83 (0.3) 10.94 10.94 (0.2) 10.83 (0.3)
Distance [pc] 91.41 (2) 92.34 (2) 92.32 (2) 91.41 91.41 (2) 92.32 (2)
Composition He He
Proper motion (right ascension) [mas/yr] -226.1274236 (0.2) -225.3054548 (0.4) -226.127 (0.2) -225.3054548
Proper motion (declination) [mas/yr] 2.115925495 (0.2) 2.540749872 (0.4) 2.116 (0.2) 2.540749872
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.10
V magnitude
R magnitude 19.10
I magnitude
J magnitude 18.37 (0.07)
H magnitude
K magnitude
u magnitude 20.43 (0.05) 20.43 (0.05) 20.43 (0.05)
g magnitude 19.44 (0.01) 19.44 (0.01)
r magnitude 19.12 (0.01) 19.12 (0.01)
i magnitude 18.99 (0.01) 18.99 (0.01)
z magnitude 18.97 (0.04) 18.97 (0.04)
G magnitude 19.13 (0.03) 19.16 19.13 19.13 (0.004) 19.16
BP magnitude 19.47 (0.03) 19.39 19.39
RP magnitude 18.68 (0.03) 18.64 18.64
Pan g magnitude 19.43 (0.02) 19.43 (0.01)
Pan r magnitude 19.11 (0.01) 19.11 (0.01)
Pan i magnitude 19.03 (0.008) 19.03 (0.008)
Pan z magnitude 19.03 (0.01) 19.03 (0.01)
Pan y magnitude 18.99 (0.02) 18.99 (0.02)
E(B-V) 0.010

* 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.