Gaia DR2 42871268333859584

All names: UCAC4 526-006804, SDSS J034410.90+151022.1, WDS J03442+1510A, SDSS J034410.91+151022.1, GALEX J034410.8+151022, Gaia EDR3 42871268333859584, ** SLN 61A, WDJ034410.9+151022.33, TIC 434136183, Gaia DR3 42871268333859584, J0344+1510, Gaia DR2 42871268333859584, WDJ034410.90+151022.33, 2MASS J03441088+1510226

Parameter Unit Gaia EDR3 Pan-STARRS DR1 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
Right ascension 03 44 10.93 (0.05) 03 44 10.93 03 44 10.93 03 44 10.90 (0.05) 03 44 10.93
Declination 15 10 21.67 (0.04) 15 10 21.69 15 10 21.67 15 10 22.34 (0.04) 15 10 21.69
Spectral type DC DC DA DC
Effective temperature [K] 7635.0 (34) 7591.0 (26) 8380.0 8133.0 8433.0 (81)
log(g) [cgs] 7.66 (0.008) 7.65 (0.008) 8.00 7.91 8.00 (0.02)
Mass [M] 0.396 (0.006) 0.393 (0.006) 0.596 0.524 0.597 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.8600 0.9511 0.9473
log(H/He) -3.6 -3.6
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] 18.37 (0.06) 18.42 (0.08) 18.42 (0.08) 18.37 18.37 (0.06) 18.42 (0.08)
Distance [pc] 54.45 (0.2) 54.29 (0.2) 54.29 (0.2) 54.45 54.45 (0.2) 54.29 (0.2)
Composition He
Proper motion (right ascension) [mas/yr] 23.02743752 (0.07) 23.2159928 (0.2) 23.027 (0.07) 23.2159928
Proper motion (declination) [mas/yr] -41.71489761 (0.05) -41.47508266 (0.1) -41.715 (0.05) -41.47508266
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.71 (0.06)
V magnitude 16.52 (0.1)
R magnitude
I magnitude
J magnitude 16.10 (0.01) 16.03 (0.09)
H magnitude 16.18 (0.2) 16.18 (0.2)
K magnitude
u magnitude 16.97 (0.007) 16.97 (0.007) 16.97 (0.007)
g magnitude 16.52 (0.004) 16.52 (0.004)
r magnitude 16.50 (0.004) 16.50 (0.004)
i magnitude 16.54 (0.005) 16.54 (0.005)
z magnitude 16.65 (0.009) 16.65 (0.009)
G magnitude 16.45 (0.005) 16.47 16.45 16.45 (0.003) 16.47
BP magnitude 16.57 (0.005) 16.56 16.56
RP magnitude 16.23 (0.008) 16.24 16.24
Pan g magnitude 16.53 (0.004) 16.53 (0.003)
Pan r magnitude 16.52 (0.003) 16.52 (0.002)
Pan i magnitude 16.57 (0.003) 16.57 (0.003)
Pan z magnitude 16.67 (0.003) 16.67 (0.004)
Pan y magnitude 16.75 (0.005) 16.75 (0.006)
E(B-V) 0.001

* 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.