WD 1157+738

All names: Gaia DR2 1075215414395152640, UCAC4 818-018232, WD 1157+738, Gaia EDR3 1075215414395152640, Gaia DR3 1075215414395152640, FBS 1157+739, WDJ115946.57+733525.18, 2MASS J11594649+7335253, FBS B 998, TIC 355977196

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 59 46.57 (0.03) 11 59 46.57 (0.06) 11 59 46.57 11 59 46.57 (0.03) 11 59 46.57 11 59 46.27
Declination 73 35 25.75 (0.03) 73 35 25.74 (0.05) 73 35 25.75 73 35 25.18 (0.03) 73 35 25.74 73 35 18.24
Spectral type DA DA DA
Effective temperature [K] 16515.0 18291.0 17466.0 (204)
log(g) [cgs] 8.02 8.22 8.08 (0.01)
Mass [M] 0.628 0.73 0.665 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.1496 0.1596
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.94 (0.04) 10.89 (0.06) 10.94 10.94 (0.04) 10.89 (0.06)
Distance [pc] 91.43 (0.3) 91.80 (0.5) 91.43 91.43 (0.3) 91.80 (0.5)
Composition
Proper motion (right ascension) [mas/yr] -1.11001333 (0.05) -1.096 (0.1) -1.11 (0.05) -1.095746858
Proper motion (declination) [mas/yr] 35.59471646 (0.04) 35.553 (0.09) 35.595 (0.04) 35.55284265
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 16.22 (0.3)
I magnitude
J magnitude 16.16 (0.1)
H magnitude 16.26 (0.2)
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.96 (0.003) 15.98 15.96 15.96 (0.003) 15.98
BP magnitude 15.90 (0.003) 15.89 15.89
RP magnitude 16.12 (0.004) 16.12 16.12
Pan g magnitude 15.84 (0.005)
Pan r magnitude 16.14 (0.003)
Pan i magnitude 16.43 (0.003)
Pan z magnitude 16.69 (0.004)
Pan y magnitude 16.85 (0.004)
E(B-V) 0.006

* 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.