Gaia DR2 3962123479637203200

All names: J1238+2633, Gaia DR2 3962123479637203200, SDSS J123853.10+263335.1, WDJ123853.16+263335.29, Gaia EDR3 3962123479637203200, Gaia DR3 3962123479637203200

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Bergeron et al. 2022 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 12 38 52.99 (0.2) 12 38 52.99 12 38 52.99 12 38 53.16 (0.2) 12 38 52.99
Declination 26 33 34.94 (0.1) 26 33 34.95 26 33 34.94 26 33 35.29 (0.1) 26 33 34.95
Spectral type IRfaint DC DA DA
Effective temperature [K] 4705.0 (38) 4705.0 (38) 5500.0 5227.0 5599.0 (107)
log(g) [cgs] 7.97 (0.04) 8.30 8.13 8.35 (0.04)
Mass [M☉] 0.549 (0.02) 0.549 (0.02) 0.775 0.654 0.809 (0.04)
log(Luminosity) [L☉]
Cooling age [Gyr] 6.0210 5.9600 5.8620
log(H/He) -2.83 -2.83
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.86 (0.2) 14.80 (0.3) 14.86 14.86 (0.2) 14.80 (0.3)
Distance [pc] 67.28 (1) 67.55 (1) 67.28 67.28 (1) 67.55 (1)
Composition
Proper motion (right ascension) [mas/yr] -142.1269306 (0.2) -140.8852202 (0.5) -142.127 (0.2) -140.8852202
Proper motion (declination) [mas/yr] -22.37248121 (0.2) -22.14783906 (0.3) -22.372 (0.2) -22.14783906
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.52 (0.06) 20.52 (0.06)
g magnitude 19.52 (0.01) 19.52 (0.01)
r magnitude 18.95 (0.01) 18.95 (0.01)
i magnitude 18.73 (0.01) 18.73 (0.01)
z magnitude 18.72 (0.04) 18.72 (0.04)
G magnitude 18.97 (0.03) 19.00 18.97 18.97 (0.003) 19.00
BP magnitude 19.38 (0.03) 19.37 19.37
RP magnitude 18.46 (0.03) 18.42 18.42
Pan g magnitude 19.44 (0.01)
Pan r magnitude 18.94 (0.005)
Pan i magnitude 18.72 (0.005)
Pan z magnitude 18.74 (0.009)
Pan y magnitude 18.81 (0.03)
E(B-V) 0.002

* 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.