WD J1446+634

All names: Gaia EDR3 1620511162444777856, Gaia DR3 1620511162444777856, RE J1446+632, Gaia DR2 1620511162444777856, WD 1444+636

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 46 02.17 (0.04) 14 46 02.17 (0.05) 14 46 02.17 14 46 01.85
Declination 63 29 24.71 (0.04) 63 29 24.68 (0.05) 63 29 24.71 63 29 22.20
Spectral type DA DA DA DA1
Effective temperature [K] 28178.0 41770.0 (813) 68221.0 (7452)
log(g) [cgs] 7.35 7.83 (0.07) 8.15 (2)
Mass [M] 0.378 0.59 (0.03) 0.799 (247)
log(Luminosity) [L]
Cooling age [Gyr] 0.0116
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] 3.94 (0.04) 3.79 (0.06) 3.94
Distance [pc] 253.91 (3) 263.84 (4) 288.00 253.91
Composition H H
Proper motion (right ascension) [mas/yr] 16.34764217 (0.05) 16.33303591 (0.1)
Proper motion (declination) [mas/yr] 48.10512715 (0.06) 48.21009865 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 16.00
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 24.16
g magnitude 25.13
r magnitude 21.88
i magnitude 24.38
z magnitude 20.07
G magnitude 16.14 (0.003) 16.18 16.14
BP magnitude 15.99 (0.003) 15.92
RP magnitude 16.46 (0.004) 16.44
Pan g magnitude 15.96 (0.003)
Pan r magnitude 16.40 (0.005)
Pan i magnitude 16.79 (0.003)
Pan z magnitude 17.06 (0.008)
Pan y magnitude 17.21 (0.007)
E(B-V) 0.016

* 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.