2QZ J140121.1-022456

All names: SDSS J140121.12-022456.0, WD 1358-021, 2QZ J140121.1-022456, PSO J140121.111-022455.858, Gaia DR2 3657683999989978752, SDSS J140121.12-022456.05

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 14 01 21.09 (0.3) 14 01 21.15 14 01 21.15
Declination -02 24 56.00 (0.3) -02 24 56.02 -02 24 56.02
Spectral type DA DA DA3.0
Effective temperature [K] 13834.0 18343.0 (125)
log(g) [cgs] 8.05 7.96 (0.02)
Mass [M☉] 0.64 0.598 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2714
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] 3.65 (0.4)
Distance [pc] 274.15 (32)
Composition H
Proper motion (right ascension) [mas/yr] -58.8763991273 (0.7) -57.0
Proper motion (declination) [mas/yr] -0.1688055184 (0.5) -3.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.77
V magnitude 18.80
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.84 (0.02) 18.86 (0.02) 18.86
g magnitude 18.56 (0.02) 18.56 (0.008) 18.56
r magnitude 18.85 (0.02) 18.85 (0.01) 18.85
i magnitude 19.09 (0.02) 19.11 (0.02) 19.11
z magnitude 19.41 (0.07) 19.42 (0.07) 19.38
G magnitude 18.74
BP magnitude 18.71
RP magnitude 18.69
Pan g magnitude 18.61 (0.005)
Pan r magnitude 18.86 (0.007)
Pan i magnitude 19.12 (0.009)
Pan z magnitude 19.34 (0.02)
Pan y magnitude 19.49 (0.03)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.