SDSS J140137.31+365909.9

All names: SDSS J140137.32+365909.9, SDSS J140137.31+365909.8, SDSS J140137.31+365909.9, WDJ140137.32+365910.12, Gaia DR2 1483683911099065088, Gaia EDR3 1483683911099065088, J1401+3659, Gaia DR3 1483683911099065088

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR14 Kilic et al. 2025 Caron et al. 2023 Blouin 2020 Coutu et al. 2019 MWDD H MWDD HE Gaia DR2 Hollands et al. 2017 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 14 01 37.30 (0.07) 14 01 37.31 14 01 37.31 14 01 37.30 (0.09) 14 01 37.30 14 01 37.32 (0.07) 14 01 37.30
Declination 36 59 09.29 (0.1) 36 59 09.87 36 59 09.87 36 59 09.31 (0.1) 36 59 09.29 36 59 10.11 (0.1) 36 59 09.31
Spectral type DZ DZ DZ DZ DZ DZ DZ DZ DZ
Effective temperature [K] 6011.0 (32) 6033.0 (36) 5931.0 (115) 5891.0 (42) 6957.0 6698.0 6000.0 (110) 6122.0 (88)
log(g) [cgs] 8.06 (0.02) 8.02 (0.02) 7.97 (0.04) 7.94 8.33 8.22 8.11 (0.03)
Mass [M] 0.609 (0.01) 0.586 (0.02) 0.557 (0.02) 0.5367 0.801 0.714 0.641 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.6400 2.4900 3.0640 2.8430 3.3000
log(H/He) -3.0 -3.0 <-3.0
log(C/He)
log(Ca/He) -9.83 -9.87 -10.1 (0.1) -10.1396 (0.09) -9.8
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He) -8.1 (0.3) -8.84
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He) -9.2 (0.3) -8.94
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 12.18 (0.2) 11.87 (0.2) 11.87 11.87 (0.2) 12.18 12.18 (0.2) 11.87 (0.2)
Distance [pc] 82.09 (1) 84.25 (1) 84.10 (1) 84.26 (1) 84.26 (1) 80.00 (10) 82.09 82.09 (1) 84.26 (1)
Composition He He He He
Proper motion (right ascension) [mas/yr] -19.23225583 (0.09) -19.30133209 (0.2) -19.232 (0.09) -19.301
Proper motion (declination) [mas/yr] -51.6466757 (0.1) -51.88653608 (0.3) -51.647 (0.1) -51.887
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.94 (0.03) 19.88 (0.04) 19.94 (0.03) 19.94 (0.03) 19.94 (0.03) 19.91 (0.04)
g magnitude 18.80 (0.008) 18.81 (0.02) 18.81 (0.02) 18.79 (0.008) 18.80 (0.008)
r magnitude 18.52 (0.008) 18.53 (0.02) 18.53 (0.02) 18.50 (0.008) 18.53 (0.009)
i magnitude 18.52 (0.009) 18.52 (0.02) 18.52 (0.02) 18.52 (0.009) 18.52 (0.01)
z magnitude 18.53 (0.02) 18.55 (0.03) 18.55 (0.03) 18.53 (0.03) 18.64 (0.04)
G magnitude 18.57 (0.02) 18.59 18.57 18.57 (0.003) 18.59
BP magnitude 18.83 (0.02) 18.83 18.83
RP magnitude 18.20 (0.01) 18.19 18.19
Pan g magnitude 18.77 (0.008) 18.77 (0.008)
Pan r magnitude 18.56 (0.008) 18.56 (0.007)
Pan i magnitude 18.54 (0.005) 18.54 (0.004)
Pan z magnitude 18.59 (0.007) 18.59 (0.006)
Pan y magnitude 18.64 (0.01) 18.64 (0.02)
E(B-V) 0.006

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.