WD 1401-149

All names: Gaia EDR3 6300991145225638272, WDJ140342.78-151415.20, WDJ140342.78-151415.21, J1403-1514, Gaia DR3 6300991145225638272, 1401-149, LP 739-19

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 Bergeron et al. 2022 Leggett et al. 2018 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Gentile Fusillo et al. 2018
Right ascension 14 03 42.60 (0.1) 14 03 42.60 14 03 42.60 14 03 42.60
Declination -15 14 20.92 (0.1) -15 14 20.74 -15 14 20.92 -15 14 20.74
Spectral type DC DC DC11.1 DA:
Effective temperature [K] 4790.0 (46) 4741.0 (41) 4554.0 (90) 5461.0 5176.0 5479.0 (74)
log(g) [cgs] 7.95 (0.01) 7.70 (0.1) 8.23 8.05 8.22 (0.03)
Mass [M] 0.536 (0.009) 0.51 (0.006) 0.404 (0.07) 0.728 0.601 0.724 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 5.8800 5.3920 4.0220 (0.8) 5.6100 5.4720
log(H/He) -1.84 -1.82
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
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)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 20.39 (0.1) 20.55 (0.2) 20.19 (1) 20.55 (0.2) 20.39 20.55 (0.2)
Distance [pc] 49.04 (0.4) 48.66 (0.4) 49.53 (3) 48.66 (0.4) 49.04 48.66 (0.4)
Composition He
Proper motion (right ascension) [mas/yr] -171.6287855 (0.2) -171.3503927 (0.4) -171.3503927
Proper motion (declination) [mas/yr] -356.913313 (0.1) -357.1170686 (0.3) -357.1170686
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.50 (0.03)
H magnitude 17.72 (0.07)
K magnitude 18.31 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.19 (0.02) 18.22 18.19 18.22
BP magnitude 18.57 (0.02) 18.53 18.53
RP magnitude 17.63 (0.01) 17.61 17.61
Pan g magnitude 18.65 (0.008) 18.65 (0.009)
Pan r magnitude 18.16 (0.002) 18.16 (0.002)
Pan i magnitude 17.96 (0.008) 17.96 (0.008)
Pan z magnitude 17.94 (0.003) 17.94 (0.005)
Pan y magnitude 17.95 (0.02) 17.95 (0.02)
E(B-V) 0.001

* 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.