Gaia DR2 203678825329613312

All names: Gaia DR3 203678825329613312, WDJ044747.69+422438.69, Gaia DR2 203678825329613312, USNO-B1.0 1324-00130479, LSPM J0447+4224, J0447+4224, Gaia EDR3 203678825329613312

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 04 47 47.90 (0.1) 04 47 47.90 04 47 47.90 04 47 47.69 (0.1) 04 47 47.90
Declination 42 24 36.73 (0.07) 42 24 36.79 42 24 36.73 42 24 38.70 (0.07) 42 24 36.79
Spectral type DA DA DA
Effective temperature [K] 16702.0 (341) 16708.0 16424.0 17081.0 (551)
log(g) [cgs] 9.03 9.04 9.06 9.04 (0.03)
Mass [M] 1.211 (0.008) 1.218 1.214 1.216 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.0000 (0.06) 0.9303 0.9491
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] 10.27 (0.1) 10.43 (0.2) 10.27 10.27 (0.1) 10.43 (0.2)
Distance [pc] 97.41 (1) 95.92 (2) 97.41 97.41 (1) 95.92 (2)
Composition H
Proper motion (right ascension) [mas/yr] 147.1276763 (0.2) 147.6242376 (0.3) 147.128 (0.1) 147.6242376
Proper motion (declination) [mas/yr] -123.0233494 (0.1) -122.7673876 (0.2) -123.023 (0.1) -122.7673876
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.40
V magnitude
R magnitude 17.80
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.86 (0.006) 17.89 17.86 17.86 (0.003) 17.89
BP magnitude 17.82 (0.006) 17.80 17.80
RP magnitude 18.00 (0.02) 18.00 18.00
Pan g magnitude 17.76 (0.006)
Pan r magnitude 18.03 (0.004)
Pan i magnitude 18.29 (0.007)
Pan z magnitude 18.56 (0.008)
Pan y magnitude 18.73 (0.02)
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.