WD 1401+545

All names: Gaia DR3 1609274187969710592, [HHD2009] SDSS J1403+5418, SDSS J140308.05+541817.9, WD 1401+545, Gaia DR3 1609274909522626816, Gaia EDR3 1609274187969710592

Parameter Unit Gaia EDR3 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 03 10.61 (0.2) 14 03 10.61 14 03 08.07 (5) 14 03 08.28
Declination 54 18 09.00 (0.2) 54 18 09.00 54 18 17.82 (5) 54 18 13.32
Spectral type DA DA+M DA3.6
Effective temperature [K] 9619.0 (501)
log(g) [cgs] 7.96 (0.1)
Mass [M☉] 0.579 (0.1)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.79 (0.2) 3.79
Distance [pc] 263.78 (16) 263.79
Composition
Proper motion (right ascension) [mas/yr] -2.493 (0.2)
Proper motion (declination) [mas/yr] -5.993 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.79 (0.08)
g magnitude 20.41 (0.03)
r magnitude 20.53 (0.04)
i magnitude 20.41 (0.05)
z magnitude 20.62 (0.2)
G magnitude 19.34 (0.004) 19.34 21.25 (0.02)
BP magnitude 19.53 (0.04)
RP magnitude 19.34 (0.05)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)

* 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.