Gaia DR2 145429108768875008

All names: SDSS J042928.93+215925.3, SDSS J042928.93+215925.2, Gaia DR2 145429108768875008, Gaia DR3 145429108768875008, J0429+2159, WDJ042928.92+215925.56, Gaia EDR3 145429108768875008

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 04 29 28.97 (0.05) 04 29 28.97 04 29 28.97 04 29 28.92 (0.05) 04 29 28.97
Declination 21 59 24.11 (0.03) 21 59 24.15 21 59 24.11 21 59 25.56 (0.03) 21 59 24.15
Spectral type DC DC DC DQ DC
Effective temperature [K] 8079.0 (42) 8232.0 (31) 8080.0 (42) 8680.0 8393.0 7754.0 (40)
log(g) [cgs] 8.17 (0.008) 8.21 (0.006) 8.17 (0.008) 8.41 8.32 8.09 (0.009)
Mass [M] 0.684 (0.007) 0.71 (0.006) 0.681 (0.007) 0.858 0.784 0.633 (0.008)
log(Luminosity) [L]
Cooling age [Gyr] 1.4500 1.8030 1.7070
log(H/He) -3.8 -3.8 -3.8
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] 23.00 (0.06) 22.92 (0.08) 22.92 (0.08) 23.00 23.00 (0.06) 22.92 (0.08)
Distance [pc] 43.48 (0.1) 43.63 (0.2) 43.63 (0.1) 43.48 43.48 (0.1) 43.63 (0.1)
Composition He
Proper motion (right ascension) [mas/yr] 38.01277914 (0.07) 38.02537969 (0.2) 38.013 (0.07) 38.02537969
Proper motion (declination) [mas/yr] -90.78827908 (0.05) -90.93313085 (0.1) -90.788 (0.05) -90.93313085
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.22 (0.01)
H magnitude 16.21 (0.01)
K magnitude 16.21 (0.03)
u magnitude 16.85 (0.007) 16.84 (0.007) 16.84 (0.007)
g magnitude 16.55 (0.004) 16.55 (0.004)
r magnitude 16.52 (0.004) 16.52 (0.004)
i magnitude 16.58 (0.005) 16.58 (0.005)
z magnitude 16.71 (0.009) 16.71 (0.009)
G magnitude 16.47 (0.003) 16.49 16.47 16.47 (0.003) 16.49
BP magnitude 16.57 (0.003) 16.54 16.54
RP magnitude 16.28 (0.003) 16.28 16.28
Pan g magnitude 16.56 (0.004) 16.56 (0.003)
Pan r magnitude 16.54 (0.003) 16.54 (0.002)
Pan i magnitude 16.63 (0.003) 16.63 (0.003)
Pan z magnitude 16.74 (0.005) 16.74 (0.004)
Pan y magnitude 16.81 (0.009) 16.81 (0.01)
E(B-V) 0.001

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.