WD 1136+643

All names: WD 1136+643, SDSS J113900.82+640210.7, Gaia EDR3 863841824442228608, SDSS J113900.81+640210.8, GALEX J113900.8+640210, Gaia DR3 863841824442228608, Gaia DR2 863841824442228608, SDSS J113900.82+640210.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 11 39 00.85 (0.1) 11 39 00.82 11 39 00.85 (0.2) 11 39 00.85 11 39 00.81 (0.1) 11 39 00.82 11 39 00.22 11 39 00.82 11 39 00.82
Declination 64 02 10.72 (0.1) 64 02 10.79 64 02 10.72 (0.1) 64 02 10.72 64 02 10.82 (0.1) 64 02 10.80 64 02 04.92 64 02 10.83 64 02 10.82
Spectral type DA DA DA DA5 DA DA3.5 DA DA
Effective temperature [K] 11688.0 14710.0 (860) 12434.0 (552) 14537.0 (281) 14298.0 (284) 14609.0 (284)
log(g) [cgs] 8.54 8.44 (0.08) 8.63 (0.05) 8.54 (0.06) 8.55 (0.06) 8.56 (0.06)
Mass [M] 0.948 0.89 (0.05) 1.002 (0.04) 0.94 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.9297 0.5012
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] 5.91 (0.2) 5.91 (0.2) 5.91 5.91 (0.2)
Distance [pc] 169.12 (5) 169.18 (6) 169.12 169.12 (5)
Composition H H
Proper motion (right ascension) [mas/yr] 14.16732426 (0.1) 14.23457638 (0.3) 14.167 (0.1) 17.8 17.0
Proper motion (declination) [mas/yr] -6.494075787 (0.2) -6.300651085 (0.3) -6.494 (0.2) -7.2 -7.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.01 (0.02) 19.01 (0.02) 19.04 (0.03) 19.01 19.00 (0.03) 19.01 (0.03)
g magnitude 18.66 (0.008) 18.66 (0.008) 18.68 (0.02) 18.67 18.67 (0.02) 18.67 (0.02)
r magnitude 18.85 (0.01) 18.85 (0.01) 18.85 (0.01) 18.85 18.84 (0.01) 18.85 (0.01)
i magnitude 19.05 (0.02) 19.05 (0.01) 19.07 (0.02) 19.07 19.07 (0.02) 19.07 (0.02)
z magnitude 19.32 (0.07) 19.32 (0.07) 19.29 (0.06) 19.28 19.29 (0.06) 19.28 (0.06)
G magnitude 18.74 (0.02) 18.78 18.74 18.74 (0.003)
BP magnitude 18.82 (0.02) 18.76
RP magnitude 18.81 (0.03) 18.80
Pan g magnitude 18.69 (0.01)
Pan r magnitude 18.83 (0.01)
Pan i magnitude 19.08 (0.009)
Pan z magnitude 19.28 (0.02)
Pan y magnitude 19.33 (0.02)
E(B-V) 0.015

* 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.