WD 1148+131

All names: WDJ115116.43+125346.32, WD 1148+131, Gaia EDR3 3922795941576557184, SDSS J115116.42+125345.5, NLTT 28768, Gaia DR3 3922795941576557184, LSPM J1151+1253W, J1151+1253, LP 493-60, USNO-B1.0 1028-00254507, Gaia DR2 3922795941576557184

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 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 51 16.43 (0.2) 11 51 16.43 (0.3) 11 51 16.43 11 51 16.43 (0.2) 11 51 16.43 11 51 22.42
Declination 12 53 43.02 (0.2) 12 53 43.12 (0.3) 12 53 43.02 12 53 46.31 (0.2) 12 53 43.12 12 54 18.72
Spectral type DC DC DC DA: DC DC
Effective temperature [K] 4807.0 (38) 5672.0 5436.0 5334.0 (130)
log(g) [cgs] 7.67 (0.04) 8.26 8.12 8.01 (0.06)
Mass [M] 0.389 (0.03) 0.753 0.645 0.587 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 3.4900 4.9240 5.1190
log(H/He)
log(C/He)
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] 13.66 (0.2) 14.15 (0.4) 14.15 (0.4) 13.66 13.66 (0.2) 14.15 (0.4)
Distance [pc] 73.20 (1) 70.67 (2) 70.69 (2) 73.20 73.20 (1) 70.69 (2)
Composition He
Proper motion (right ascension) [mas/yr] 3.954429345 (0.3) 4.566419939 (0.7) 3.954 (0.3) 4.566419939
Proper motion (declination) [mas/yr] -205.955145 (0.2) -206.1926424 (0.5) -205.955 (0.2) -206.1926424
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 19.40
V magnitude
R magnitude 19.10
I magnitude
J magnitude 17.64 (0.04) 17.64 (0.04)
H magnitude 17.41 (0.04) 17.41 (0.04)
K magnitude 17.45 (0.05) 17.45 (0.05)
u magnitude 20.76 (0.07) 20.77 (0.07) 20.77 (0.07) 20.72
g magnitude 19.39 (0.01) 19.39 (0.01) 19.38
r magnitude 18.78 (0.01) 18.78 (0.01) 18.80
i magnitude 18.55 (0.01) 18.56 (0.01) 18.57
z magnitude 18.43 (0.03) 18.43 (0.03) 18.48
G magnitude 18.85 (0.04) 18.88 18.85 18.85 (0.004) 18.88
BP magnitude 19.37 (0.04) 19.27 19.27
RP magnitude 18.35 (0.03) 18.22 18.22
Pan g magnitude 19.33 (0.02) 19.33 (0.02)
Pan r magnitude 18.82 (0.009) 18.82 (0.007)
Pan i magnitude 18.63 (0.01) 18.63 (0.01)
Pan z magnitude 18.54 (0.004) 18.54 (0.003)
Pan y magnitude 19.79 (0.2) 19.79 (0.2)
E(B-V) 0.003

* 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.