WD 0258+683

All names: Gaia DR3 540893067271579136, GALEX J030328.0+682952, Gaia EDR3 540893067271579136, WD 0258+683, Gaia DR2 540893067271579136, Lan 143

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD HE Gaia DR2 Stilism Bergeron et al. 2011 Lepine et al. 2011 Vincent et al. 2024 Simbad
Right ascension 03 03 28.04 (0.03) 03 03 28.03 (0.05) 03 03 28.04 03 03 27.90 (0.03)
Declination 68 29 52.97 (0.04) 68 29 52.98 (0.06) 68 29 52.97 68 29 53.37 (0.04)
Spectral type DBA DBA DBA3.5 DB DBA3.5
Effective temperature [K] 13543.0 14650.0 (370) 15240.0 (285) 14757.0 (244)
log(g) [cgs] 7.70 8.33 (0.1) 8.66 (0.1) 7.82 (0.02)
Mass [M] 0.431 0.8 (0.07) 1.01 (0.06) 0.49 (0.02)
log(Luminosity) [L] -2.37
Cooling age [Gyr] 0.1801 0.3715 0.5620
log(H/He) -3.94 (0.04) -3.71
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] 6.90 (0.06) 6.92 (0.09) 6.90 6.90 (0.06)
Distance [pc] 144.90 (1) 144.42 (2) 97.00 77.00 144.90 144.90 (1)
Composition He He
Proper motion (right ascension) [mas/yr] 49.09573215 (0.04) 48.98372598 (0.09) 49.096 (0.04)
Proper motion (declination) [mas/yr] -25.09738456 (0.06) -24.9337377 (0.1) -25.097 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.80
V magnitude 16.80
R magnitude 16.80
I magnitude 17.40
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.86 (0.003) 16.89 16.86 16.86 (0.003)
BP magnitude 16.82 (0.003) 16.78
RP magnitude 16.94 (0.004) 16.94
Pan g magnitude 16.81 (0.005)
Pan r magnitude 17.03 (0.004)
Pan i magnitude 17.26 (0.004)
Pan z magnitude 17.48 (0.007)
Pan y magnitude 17.63 (0.01)
E(B-V) 0.021

* 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.