GD 70

All names: EGGR 527, WD 0546+26, GD 70, Gaia DR2 3429404426623542016, Gaia EDR3 3429404426623542016, NLTT 15667, Gaia DR3 3429404426623542016, WD 0546+265, GEN# +6.10060070

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 05 49 25.78 (0.1) 05 49 25.79 (0.1) 05 49 25.78 05 49 25.90 (0.1) 05 49 26.02
Declination 26 31 17.77 (0.08) 26 31 17.82 (0.1) 26 31 17.77 26 31 19.47 (0.08) 26 30 52.92
Spectral type DA DA DA4.0 DA4
Effective temperature [K] 12650.0 (273) 12085.0 (239)
log(g) [cgs] 7.89 (0.08) 7.81 (0.03)
Mass [M] 0.55 (0.04) 0.502 (0.02)
log(Luminosity) [L]
Cooling age [Gyr]
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] 6.92 (0.1) 6.58 (0.2) 6.92 6.92 (0.1)
Distance [pc] 144.56 (3) 151.93 (4) 142.00 144.56 144.56 (3)
Composition H
Proper motion (right ascension) [mas/yr] -98.43740856 (0.1) -98.62998008 (0.2) -98.437 (0.1)
Proper motion (declination) [mas/yr] -106.0483244 (0.07) -105.8247513 (0.2) -106.048 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.32
V magnitude 17.18
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.22 (0.007) 17.24 17.22 17.22 (0.003)
BP magnitude 17.23 (0.007) 17.24
RP magnitude 17.25 (0.009) 17.25
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.015

* 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.