SDSS J113938.82+565422.6

All names: LAMOST J113938.80+565422.8, SDSS J113938.81+565422.3, SDSS J113938.82+565422.6, Gaia DR2 844951188181182976, WD 1136+571, Gaia EDR3 844951188181182976, Gaia DR3 844951188181182976, SDSS J113938.81+565422.7, GALEX J113938.7+565422, SDSS J113938.80+565422.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Guo et al. 2015 Tremblay et al. 2011 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 39 38.79 (0.1) 11 39 38.82 11 39 38.79 (0.2) 11 39 38.79 11 39 38.82 (0.1) 11 39 38.83 11 39 38.50 11 39 38.82
Declination 56 54 22.36 (0.1) 56 54 22.72 56 54 22.37 (0.2) 56 54 22.36 56 54 22.67 (0.1) 56 54 22.62 56 54 16.56 56 54 22.62
Spectral type DA DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 16510.0 19070.0 (420) 17690.0 (1156) 19012.0 (287) 18687.0 (277)
log(g) [cgs] 7.80 7.92 (0.07) 7.91 (0.09) 7.99 (0.05) 7.93 (0.05)
Mass [M] 0.509 0.58 (0.04) 0.568 (0.07) 0.584 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.1006 0.0776
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] 2.69 (0.2) 2.61 (0.2) 2.69 2.69 (0.2)
Distance [pc] 371.67 (21) 383.35 (30) 371.67 371.68 (21)
Composition H H
Proper motion (right ascension) [mas/yr] -17.47452753 (0.1) -17.62454324 (0.4) -17.475 (0.1) -10.3
Proper motion (declination) [mas/yr] -19.12123998 (0.2) -19.14846317 (0.4) -19.121 (0.2) -24.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.64 (0.02) 18.64 (0.02) 18.66 (0.03) 18.66 18.67 (0.03)
g magnitude 18.55 (0.007) 18.55 (0.007) 18.64 (0.03) 18.64 18.63 (0.03)
r magnitude 18.89 (0.01) 18.89 (0.01) 18.91 (0.02) 18.90 18.92 (0.02)
i magnitude 19.18 (0.02) 19.18 (0.02) 19.18 (0.03) 19.18 19.19 (0.02)
z magnitude 19.42 (0.08) 19.42 (0.08) 19.46 (0.08) 19.46 19.46 (0.08)
G magnitude 18.76 (0.02) 18.81 18.76 18.76 (0.003)
BP magnitude 18.70 (0.02) 18.69
RP magnitude 18.94 (0.03) 18.91
Pan g magnitude 18.61 (0.006)
Pan r magnitude 18.93 (0.01)
Pan i magnitude 19.23 (0.007)
Pan z magnitude 19.50 (0.01)
Pan y magnitude 19.56 (0.03)
E(B-V) 0.021

* 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.