GD 73

All names: GD 73, Gaia DR3 3375135698070213632, PM J06137+2050, GEN# +6.10060073, LSPM J0613+2050, 2MASS J06134655+2050330, J0613+2050, 06137+2050, TIC 46048105, Gaia DR2 3375135698070213632, Gaia EDR3 3375135698070213632, WDJ061346.60+205031.15, 0610+208, NLTT 16249, UCAC2 39113876

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 Leggett et al. 2018 MWDD H MWDD HE Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 06 13 46.63 (0.04) 06 13 46.62 (0.05) 06 13 46.63 06 13 46.60 (0.04) 06 13 46.62
Declination 20 50 28.28 (0.04) 20 50 28.37 (0.06) 20 50 28.28 20 50 31.15 (0.04) 20 50 28.37
Spectral type DA+DQ DA+DQ DQ DA+DQ
Effective temperature [K] 8033.0 (44) 8671.0 8559.0 5950.0 (668) 7798.0 (45)
log(g) [cgs] 7.16 (0.009) 7.53 7.45 8.00 (0.2) 7.08 (0.01)
Mass [M] 0.223 (0.003) 0.362 0.312 0.59 (0.1) 0.203 (0.004)
log(Luminosity) [L] -3.74
Cooling age [Gyr] 0.3900 0.5260 0.5274
log(H/He)
log(C/He) -5.0
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] 17.25 (0.06) 17.39 (0.08) 17.77 (0.3) 17.39 (0.08) 17.25 17.25 (0.06) 17.39 (0.08)
Distance [pc] 57.98 (0.2) 57.50 (0.3) 56.27 (1) 57.51 (0.3) 40.00 (6) 57.98 57.98 (0.2) 57.51 (0.3)
Composition He H
Proper motion (right ascension) [mas/yr] 18.44931583 (0.05) 18.4617253 (0.09) 18.449 (0.05) 18.4617253
Proper motion (declination) [mas/yr] -179.4878759 (0.04) -179.3975089 (0.08) -179.488 (0.04) -179.3975089
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WD+WD
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 14.87 (0.04) 14.87 (0.04)
H magnitude 14.71 (0.06) 14.71 (0.06)
K magnitude 14.61 (0.08) 14.61 (0.08)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.80 (0.003) 15.82 15.80 15.80 (0.003) 15.82
BP magnitude 15.89 (0.003) 15.86 15.86
RP magnitude 15.62 (0.003) 15.63 15.63
Pan g magnitude 15.89 (0.007) 15.89 (0.007)
Pan r magnitude 15.87 (0.004) 15.87 (0.004)
Pan i magnitude 15.95 (0.009) 15.95 (0.009)
Pan z magnitude 16.08 (0.003) 16.08 (0.003)
Pan y magnitude 16.17 (0.003) 16.17 (0.003)
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.