Gaia DR2 4402794756366307328

All names: SDSS J154345.65-024741.1, WDJ154345.65-024741.06, Gaia EDR3 4402794756366307328, Gaia DR2 4402794756366307328, SDSS J154345.65-024741.2, Gaia DR3 4402794756366307328

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 15 43 45.63 (0.1) 15 43 45.63 15 43 45.63 15 43 45.65 (0.1) 15 43 45.63
Declination -02 47 42.09 (0.07) -02 47 42.05 -02 47 42.09 -02 47 41.06 (0.07) -02 47 42.05
Spectral type DZH DZ D
Effective temperature [K] 6585.0 (34) 8280.0 7948.0 6893.0 (136)
log(g) [cgs] 7.96 (0.01) 8.41 8.31 8.00 (0.03)
Mass [M] 0.549 (0.01) 0.855 0.777 0.575 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.0920 1.9950
log(H/He)
log(C/He)
log(Ca/He) -8.99
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] 12.28 (0.1) 12.43 (0.2) 12.28 12.28 (0.1) 12.43 (0.2)
Distance [pc] 81.44 (0.8) 80.48 (1) 81.44 81.44 (0.8) 80.48 (1)
Composition He
Proper motion (right ascension) [mas/yr] -23.2873587 (0.1) -23.88588941 (0.4) -23.287 (0.1) -23.88588941
Proper motion (declination) [mas/yr] -63.87640768 (0.09) -64.06990741 (0.3) -63.876 (0.09) -64.06990741
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.51 (0.03) 19.51 (0.03)
g magnitude 18.16 (0.007) 18.16 (0.007)
r magnitude 17.94 (0.007) 17.94 (0.007)
i magnitude 17.99 (0.008) 17.99 (0.008)
z magnitude 18.17 (0.02) 18.17 (0.02)
G magnitude 17.99 (0.01) 18.00 17.99 17.99 (0.003) 18.00
BP magnitude 18.21 (0.01) 18.22 18.22
RP magnitude 17.74 (0.01) 17.74 17.74
Pan g magnitude 18.11 (0.005)
Pan r magnitude 17.95 (0.005)
Pan i magnitude 18.04 (0.004)
Pan z magnitude 18.24 (0.01)
Pan y magnitude 18.24 (0.01)
E(B-V) 0.006

* 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.