Gaia DR2 2042089793425728640

All names: J1857+3147, Gaia DR2 2042089793425728640, Gaia EDR3 2042089793425728640, Gaia DR3 2042089793425728640, WDJ185756.55+314743.90, TIC 1713691071

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Jewett et al. 2024 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 18 57 56.55 (0.03) 18 57 56.55 18 57 56.55 18 57 56.55 (0.03) 18 57 56.55
Declination 31 47 44.02 (0.04) 31 47 44.02 31 47 44.02 31 47 43.90 (0.04) 31 47 44.02
Spectral type DA DA DA
Effective temperature [K] 19522.0 (337) 19524.0 22033.0 21167.0 (337)
log(g) [cgs] 8.59 8.59 8.77 8.65 (0.01)
Mass [M] 0.985 (0.01) 0.985 1.077 1.024 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.2600 (0.01) 0.2471 0.2514
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] 11.20 (0.05) 11.21 (0.06) 11.20 11.20 (0.05) 11.21 (0.06)
Distance [pc] 89.27 (0.4) 89.20 (0.5) 89.27 89.26 (0.4) 89.20 (0.5)
Composition H
Proper motion (right ascension) [mas/yr] -0.646770413 (0.05) -0.700070815 (0.1) -0.647 (0.05) -0.700070815
Proper motion (declination) [mas/yr] 7.370442446 (0.05) 7.476398234 (0.1) 7.37 (0.05) 7.476398234
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.53 (0.003) 16.55 16.53 16.53 (0.003) 16.55
BP magnitude 16.45 (0.003) 16.42 16.42
RP magnitude 16.71 (0.004) 16.72 16.72
Pan g magnitude 16.39 (0.003)
Pan r magnitude 16.72 (0.003)
Pan i magnitude 17.03 (0.002)
Pan z magnitude 17.29 (0.007)
Pan y magnitude 17.48 (0.008)
E(B-V) 0.018

* 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.