WD 0806-043

All names: LP 664-15, Gaia DR3 3067956368587354368, Gaia EDR3 3067956368587354368, WD 0806-043, USNO-B1.0 0854-00169701, Gaia DR2 3067956368587354368, WDJ080859.37-043152.00, J0808-0431

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 08 59.38 (0.1) 08 08 59.38 (0.2) 08 08 59.38 08 08 59.38 (0.1) 08 08 59.38 08 08 59.33
Declination -04 31 54.06 (0.1) -04 31 54.00 (0.2) -04 31 54.06 -04 31 52.00 (0.1) -04 31 54.00 -04 31 50.16
Spectral type DC DC DC DC: DC DC
Effective temperature [K] 4907.0 (27) 5324.0 5019.0 5224.0 (67)
log(g) [cgs] 7.80 (0.02) 8.11 7.91 7.98 (0.03)
Mass [M☉] 0.456 (0.01) 0.648 0.513 0.571 (0.03)
log(Luminosity) [L☉]
Cooling age [Gyr] 4.4100 5.1780 4.8240
log(H/He)
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] 18.18 (0.2) 18.68 (0.2) 18.68 (0.2) 18.18 18.18 (0.2) 18.68 (0.2)
Distance [pc] 55.00 (0.5) 53.53 (0.7) 53.54 (0.7) 55.00 55.00 (0.5) 53.54 (0.7)
Composition He
Proper motion (right ascension) [mas/yr] 1.435036357 (0.2) 1.702015422 (0.4) 1.435 (0.2) 1.702015422
Proper motion (declination) [mas/yr] -129.2095988 (0.2) -128.7378629 (0.3) -129.21 (0.2) -128.7378629
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 19.60
V magnitude 18.26
R magnitude 17.90
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.32 (0.02) 18.34 18.32 18.32 (0.003) 18.34
BP magnitude 18.77 (0.02) 18.72 18.72
RP magnitude 17.75 (0.01) 17.71 17.71
Pan g magnitude 18.82 (0.008) 18.82 (0.008)
Pan r magnitude 18.30 (0.006) 18.30 (0.006)
Pan i magnitude 18.08 (0.004) 18.08 (0.004)
Pan z magnitude 17.99 (0.006) 17.99 (0.006)
Pan y magnitude 17.96 (0.008) 17.96 (0.008)
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.