WD 0040+154

All names: WDJ004316.02+154059.53, GALEX J004315.9+154101, WD 0040+154, Gaia EDR3 2781309637071878912, J0043+1540, Gaia DR2 2781309637071878912, SDSS J004316.02+154059.5, Gaia DR3 2781309637071878912, SDSS J004316.02+154059.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 00 43 15.98 (0.1) 00 43 16.02 00 43 15.99 (0.2) 00 43 15.98 00 43 16.02 (0.1) 00 43 15.99 00 43 16.15
Declination 15 40 59.96 (0.06) 15 40 59.51 15 40 59.95 (0.09) 15 40 59.96 15 40 59.53 (0.06) 15 40 59.95 15 40 55.56
Spectral type DA DA DA DA DA DA DA7.4 DA
Effective temperature [K] 6748.0 (38) 6745.0 (35) 6748.0 (38) 6691.0 6881.0 (77)
log(g) [cgs] 8.08 (0.01) 8.09 (0.02) 8.09 (0.02) 8.07 8.13 (0.02)
Mass [M] 0.64 (0.01) 0.649 (0.02) 0.645 (0.02) 0.634 0.674 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 2.0000 1.9250
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] 13.37 (0.1) 13.45 (0.2) 13.45 (0.2) 13.37 13.37 (0.1) 13.45 (0.2)
Distance [pc] 74.77 (0.7) 74.35 (1) 74.35 (1) 74.77 74.77 (0.7) 74.35 (1)
Composition H H H
Proper motion (right ascension) [mas/yr] -36.62020245 (0.1) -36.07739737 (0.4) -36.62 (0.1) -36.07739737
Proper motion (declination) [mas/yr] 26.78030532 (0.1) 27.0394913 (0.2) 26.78 (0.1) 27.0394913
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.34 (0.03) 17.34 (0.03)
H magnitude 17.12 (0.05)
K magnitude 17.14 (0.1) 17.14 (0.1)
u magnitude 18.88 (0.02) 18.90 (0.02) 18.88 (0.02) 18.92 (0.02) 18.64
g magnitude 18.29 (0.007) 18.29 (0.007) 18.30 (0.007) 18.11
r magnitude 18.08 (0.007) 18.07 (0.007) 18.07 (0.007) 17.93
i magnitude 18.00 (0.008) 17.99 (0.008) 18.02 (0.009) 17.92
z magnitude 17.98 (0.02) 17.97 (0.02) 18.03 (0.03) 17.97
G magnitude 18.05 (0.01) 18.07 18.05 18.05 (0.003) 18.07
BP magnitude 18.29 (0.01) 18.29 18.29
RP magnitude 17.69 (0.009) 17.70 17.70
Pan g magnitude 18.27 (0.005) 18.27 (0.005)
Pan r magnitude 18.07 (0.005) 18.07 (0.004)
Pan i magnitude 18.02 (0.004) 18.02 (0.005)
Pan z magnitude 18.03 (0.009) 18.03 (0.008)
Pan y magnitude 18.07 (0.01) 18.07 (0.01)
E(B-V) 0.004

* 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.