G 163-28

All names: G 163-28, WD 1055-03, GEN# +9.80163028, G163-28, UCAC4 429-052224, J1057-0413, NLTT 25841, WD 1055-039, Gaia DR3 3789156870225942656, Gaia DR2 3789156870225942656, TIC 34988608, GALEX J105747.7-041331, WDJ105747.61-041330.16, Gaia EDR3 3789156870225942656, WISE J105747.80-041331.8, 105747.61-041330.16, 2MASS J10574758-0413298

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 O'Brien et al. 2022 Coutu et al. 2019 Gaia DR2 Stilism Sion et al. 1990 Zeidler-K.T et al. 1986 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 10 57 47.89 (0.05) 10 57 47.61 10 57 47.88 (0.07) 10 57 47.89 10 57 47.61 (0.05) 10 57 47.88 10 57 46.46
Declination -04 13 32.72 (0.05) -04 13 30.16 -04 13 32.64 (0.06) -04 13 32.72 -04 13 30.16 (0.05) -04 13 32.64 -04 11 27.96
Spectral type DZ DZ DZ DZ DZ DZ DZ DZ8 DF-DG
Effective temperature [K] 6949.0 (75) 6534.0 (41) 6950.0 (60) 6529.0 (375) 6500.0 6500.0 6847.0 (56)
log(g) [cgs] 8.22 (0.03) 8.03 (0.01) 8.09 (0.03) 8.05 8.00 8.14 (0.01)
Mass [M] 0.717 (0.02) 0.594 (0.009) 0.604 0.66 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 2.0200 2.0200
log(H/He) -4.0 <-3.3821
log(C/He)
log(Ca/He) -10.3 -10.2817 (0.02) -10.7
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He) <-8
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] 27.51 (0.06) 27.51 (0.06) 27.53 (0.09) 27.51 (0.06) 27.53 27.53 (0.09) 27.51 27.51 (0.06) 27.53 (0.09)
Distance [pc] 36.35 (0.08) 36.35 (0.08) 36.32 (0.1) 36.35 (0.08) 36.33 (0.1) 36.33 (0.1) 36.35 36.35 (0.08) 36.33 (0.1)
Composition He He
Proper motion (right ascension) [mas/yr] 257.283387 (0.06) 257.2248182 (0.1) 257.283 (0.06) 257.2248182
Proper motion (declination) [mas/yr] -159.919222 (0.06) -159.9449584 (0.1) -159.919 (0.06) -159.9449584
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.93 (0.08)
V magnitude 16.73 (0.01)
R magnitude
I magnitude
J magnitude 15.98 (0.05) 16.12 (0.08)
H magnitude 15.92 (0.05) 15.76 (0.1)
K magnitude 15.84 (0.05) 15.84
u magnitude
g magnitude 16.65 (0.01)
r magnitude 16.62 (0.01)
i magnitude
z magnitude
G magnitude 16.47 (0.004) 16.48 16.47 16.47 (0.003) 16.48
BP magnitude 16.64 (0.004) 16.65 16.65
RP magnitude 16.18 (0.004) 16.19 16.19
Pan g magnitude 16.63 (0.004) 16.63 (0.004)
Pan r magnitude 16.49 (0.003) 16.49 (0.003)
Pan i magnitude 16.52 (0.001) 16.52 (0.001)
Pan z magnitude 16.59 (0.005) 16.59 (0.005)
Pan y magnitude 16.64 (0.01) 16.64 (0.01)
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.