WD J1002+5818

All names: SDSS J100238.56+581835.9, Gaia DR2 1046810046887551744, Gaia DR3 1046810046887551744, SDSS J100238.58+581836.0, WD 0959+585, SDSS J100238.58+581835.9, Gaia EDR3 1046810046887551744

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Mullally et al. 2005 Vincent et al. 2024 White Dwarf Research Corporation Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 02 38.59 (0.08) 10 02 38.58 10 02 38.59 (0.1) 10 02 38.59 10 02 38.56 10 02 37.73 10 02 38.58
Declination 58 18 35.74 (0.1) 58 18 35.97 58 18 35.74 (0.1) 58 18 35.74 58 18 35.93 58 18 30.24 58 18 35.97
Spectral type DA DA DA DAV DA_auto DAV4.3 DA DA
Effective temperature [K] 11698.0 11760.0 (190) 11440.0 12213.0 (404) 11707.0 11707.0 (131) 11686.0 (152)
log(g) [cgs] 7.79 8.21 (0.07) 8.11 7.84 (0.04) 7.92 7.92 (0.07) 8.10 (0.07)
Mass [M] 0.489 0.73 (0.04) 0.516 (0.03) 0.66 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.3063 0.5495
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] 4.18 (0.1) 4.16 (0.2) 4.18
Distance [pc] 239.15 (7) 240.44 (11) 239.15
Composition H H
Proper motion (right ascension) [mas/yr] 10.23381694 (0.1) 10.42094007 (0.3) 14.8
Proper motion (declination) [mas/yr] -17.8743542 (0.1) -16.9775491 (0.4) -18.8
Variability VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 18.30 18.26
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.73 (0.02) 18.74 (0.03) 18.74 18.75 (0.03)
g magnitude 18.27 (0.007) 18.26 (0.03) 18.26 18.28 (0.03)
r magnitude 18.44 (0.008) 18.46 (0.02) 18.49 (0.02)
i magnitude 18.64 (0.01) 18.66 (0.02) 18.68 (0.02)
z magnitude 18.86 (0.03) 18.87 (0.05) 18.91 (0.05)
G magnitude 18.35 (0.01) 18.39 18.35
BP magnitude 18.37 (0.01) 18.36
RP magnitude 18.36 (0.02) 18.34
Pan g magnitude 18.28 (0.006)
Pan r magnitude 18.47 (0.008)
Pan i magnitude 18.66 (0.006)
Pan z magnitude 18.89 (0.01)
Pan y magnitude 19.05 (0.02)
E(B-V) 0.016
Period #1 [s] 268.2
Amplitude #1 [mma] 6.8
Period #2 [s] 304.6
Amplitude #2 [mma] 5.3

* 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.