SDSS J112924.74+493931.9

All names: SDSS J112924.74+493931.9, GALEX J112926.2+493931, WD 1126+499, Gaia EDR3 790041302613954944, Gaia DR3 790041302613954944, Gaia DR2 790041302613954944, SDSS J112926.23+493931.8, NAME SDSS J112924.74+493931.9, SDSS J112926.23+493931.9

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 29 26.28 (0.06) 11 29 26.23 11 29 26.28 (0.09) 11 29 26.23 11 29 26.28 11 29 26.23 (0.06) 11 29 26.23 11 29 25.73 11 29 26.23
Declination 49 39 31.25 (0.08) 49 39 31.82 49 39 31.27 (0.1) 49 39 31.79 49 39 31.25 49 39 31.90 (0.08) 49 39 31.85 49 39 27.72 49 39 31.86
Spectral type DAH DAH DA DAH DA: DAP DAH DAH DAH DAH
Effective temperature [K] 9728.9 (276) 9774.0 10000.0 9856.0 (179) 19664.0 (207) 20160.0 (210)
log(g) [cgs] 8.04 (0.08) 8.05 8.00 (0) 8.08 (0.03) 9.00 (0.001) 9.33 (0.04)
Mass [M] 0.6254825629378093 (0.1) 0.63 0.645 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.6876
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] 7.44 (0.1) 7.38 (0.1) 7.44 7.44 (0.1)
Distance [pc] 134.41 (2) 135.52 (3) 134.41 134.41 (2)
Composition H H
Proper motion (right ascension) [mas/yr] 35.15692684 (0.07) 35.02536239 (0.1) 35.157 (0.07) 36.0
Proper motion (declination) [mas/yr] -40.64340997 (0.09) -40.30659516 (0.2) -40.643 (0.09) -50.2
Variability
Magnetic yes yes yes yes yes
Bd [MG] 5.493126708427411 5.31 (0.6) 5.31 (0.6)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.45 (0.02) 18.45 (0.01) 18.42 (0.05) 18.42 18.45 (0.05)
g magnitude 18.00 (0.006) 18.00 (0.006) 18.00 (0.02) 18.00 18.02 (0.02)
r magnitude 18.07 (0.007) 18.07 (0.007) 18.08 (0.01) 18.07 18.08 (0.01)
i magnitude 18.18 (0.008) 18.18 (0.008) 18.15 (0.02) 18.15 18.15 (0.02)
z magnitude 18.33 (0.02) 18.33 (0.03) 18.34 (0.03) 18.34 18.34 (0.03)
G magnitude 17.98 (0.01) 18.01 17.98 17.98 (0.003)
BP magnitude 18.06 (0.01) 18.04
RP magnitude 17.87 (0.01) 17.90
Pan g magnitude 17.99 (0.01)
Pan r magnitude 18.06 (0.008)
Pan i magnitude 18.19 (0.004)
Pan z magnitude 18.35 (0.007)
Pan y magnitude 18.46 (0.01)
E(B-V) 0.011

* 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.