Gaia DR2 1684555515739151360

All names: GD 487, Gaia EDR3 1684555515739588992, J1331+6809, WDJ133146.65+680954.93, GALEX J133146.5+680954, Gaia DR3 1684555515739588992, 2MASS J13314665+6809550, WDJ133146.65+680954.92, UCAC4 791-024075, Gaia DR2 1684555515739151360

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
Right ascension 13 31 46.36 (0.04) 13 31 46.37 13 31 46.36 13 31 46.65 (0.04) 13 31 46.37
Declination 68 09 53.43 (0.03) 68 09 53.47 68 09 53.43 68 09 54.93 (0.03) 68 09 53.47
Spectral type DA DA DA
Effective temperature [K] 9659.0 (60) 9327.0 9230.0 9341.0 (58)
log(g) [cgs] 8.03 (0.01) 7.96 7.88 7.96 (0.01)
Mass [M] 0.615 (0.008) 0.573 0.512 0.573 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.7200 0.6811 0.6598
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] 17.80 (0.04) 17.82 (0.04) 17.82 (0.04) 17.80 17.80 (0.04) 17.82 (0.04)
Distance [pc] 56.17 (0.1) 56.12 (0.1) 56.13 (0.1) 56.17 56.17 (0.1) 56.13 (0.1)
Composition H
Proper motion (right ascension) [mas/yr] -99.63950042 (0.05) -99.55428969 (0.1) -99.64 (0.05) -99.55428969
Proper motion (declination) [mas/yr] -93.90281596 (0.04) -93.87866752 (0.07) -93.903 (0.04) -93.87866752
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.21 (0.01)
V magnitude 16.04 (0)
R magnitude 16.03
I magnitude
J magnitude 15.82 (0.03) 15.82 (0.07)
H magnitude 15.67 (0.03) 15.67 (0.1)
K magnitude 16.10 (0.03) 16.10 (0.3)
u magnitude
g magnitude 16.11 (0.02)
r magnitude 16.06 (0.1)
i magnitude
z magnitude
G magnitude 16.09 (0.002) 16.10 16.09 16.09 (0.003) 16.10
BP magnitude 16.16 (0.002) 16.15 16.15
RP magnitude 15.95 (0.004) 15.96 15.96
Pan g magnitude 16.12 (0.004) 16.12 (0.005)
Pan r magnitude 16.16 (0.004) 16.16 (0.004)
Pan i magnitude 16.28 (0.003) 16.28 (0.003)
Pan z magnitude 16.41 (0.005) 16.41 (0.006)
Pan y magnitude 16.51 (0.01) 16.51 (0.008)
E(B-V) 0.005

* 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.