GD 427

All names: Gaia EDR3 491235823630096384, GEN# +6.10060427, GD 427, EGGR 477, Gaia DR3 491235823630096384, LSPM J0318+6500, WD 0314+64, Gaia DR2 491235823630096384, WD 0314+648, Lan 499

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 03 18 35.25 (0.02) 03 18 35.24 (0.03) 03 18 35.25 03 18 35.01 (0.02) 03 18 34.61
Declination 64 59 58.93 (0.04) 64 59 59.01 (0.05) 64 59 58.93 65 00 01.37 (0.04) 65 00 07.92
Spectral type DA DA DA DA2.9 DA3
Effective temperature [K] 13780.0 17610.0 (321) 16559.0 (192)
log(g) [cgs] 7.69 7.89 (0.06) 7.92 (0.01)
Mass [M] 0.45 0.56 (0.03) 0.571 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.1631
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] 7.60 (0.05) 7.61 (0.07) 7.60 7.60 (0.05)
Distance [pc] 131.52 (0.9) 131.34 (1) 139.00 131.52 131.52 (0.9)
Composition H H
Proper motion (right ascension) [mas/yr] 95.07491217 (0.02) 95.07308892 (0.05) 95.075 (0.02)
Proper motion (declination) [mas/yr] -152.7528137 (0.05) -152.4744773 (0.1) -152.753 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.61 (0.002) 16.64 16.61 16.61 (0.003)
BP magnitude 16.56 (0.002) 16.55
RP magnitude 16.75 (0.004) 16.75
Pan g magnitude 16.49 (0.003)
Pan r magnitude 16.78 (0.003)
Pan i magnitude 17.04 (0.003)
Pan z magnitude 17.29 (0.007)
Pan y magnitude 17.35 (0.02)
E(B-V) 0.017

* 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.