Gaia DR2 3254620732512634624

All names: SDSS J042806.47+000642.2, WDJ042806.48+000642.13, Gaia DR3 3254620736808973184, WDJ04286.48+000642.13, Gaia EDR3 3254620736808973184, GALEX J042806.4+000642, Gaia DR2 3254620732512634624, J0428+0006, SDSS J042806.47+000642.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 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 28 06.61 (0.1) 04 28 06.61 04 28 06.61 04 28 06.48 (0.1) 04 28 06.61
Declination 00 06 41.88 (0.1) 00 06 41.89 00 06 41.88 00 06 42.13 (0.1) 00 06 41.89
Spectral type DA DA DA DA
Effective temperature [K] 6805.0 (53) 6852.0 (52) 6778.0 6529.0 6964.0 (141)
log(g) [cgs] 8.12 (0.04) 8.12 (0.04) 8.10 7.98 8.07 (0.04)
Mass [M] 0.664 (0.04) 0.668 (0.04) 0.654 0.564 0.633 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 2.0300 1.9640 1.8040
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 10.75 (0.2) 11.41 (0.4) 11.41 (0.4) 10.75 10.75 (0.2) 11.41 (0.4)
Distance [pc] 93.02 (2) 87.64 (3) 87.67 (3) 93.02 93.02 (2) 87.67 (3)
Composition H
Proper motion (right ascension) [mas/yr] 122.331304 (0.2) 122.4373991 (0.6) 122.331 (0.2) 122.4373991
Proper motion (declination) [mas/yr] -15.66655373 (0.2) -16.06740264 (0.4) -15.667 (0.2) -16.06740264
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.73 (0.04)
H magnitude
K magnitude
u magnitude 19.24 (0.03) 19.19 (0.02) 19.19 (0.02)
g magnitude 18.63 (0.007) 18.63 (0.007)
r magnitude 18.43 (0.008) 18.43 (0.008)
i magnitude 18.36 (0.01) 18.36 (0.01)
z magnitude 18.37 (0.03) 18.37 (0.03)
G magnitude 18.41 (0.02) 18.43 18.41 18.41 (0.003) 18.43
BP magnitude 18.61 (0.02) 18.61 18.61
RP magnitude 18.06 (0.03) 18.05 18.05
Pan g magnitude 18.61 (0.006) 18.61 (0.007)
Pan r magnitude 18.42 (0.006) 18.42 (0.006)
Pan i magnitude 18.39 (0.006) 18.39 (0.007)
Pan z magnitude 18.41 (0.01) 18.41 (0.01)
Pan y magnitude 18.42 (0.02) 18.42 (0.02)
E(B-V) 0.002

* 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.