SDSS J140658.22+201749.3

All names: SDSS J140658.22+201749.3, SDSS J140658.22+201749.34, Gaia DR3 1247078870046452608, SDSS J140658.21+201749.3, Gaia EDR3 1247078870046452608, Gaia DR2 1247078870046452608

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 14 06 58.21 (0.5) 14 06 58.22 14 06 58.21 (0.5) 14 06 58.22 (0.5)
Declination 20 17 49.36 (0.4) 20 17 49.34 20 17 49.36 (0.6) 20 17 49.20 (0.4)
Spectral type DA: DA: DA DA
Effective temperature [K] 6862.0 7088.0 (142)
log(g) [cgs] 7.56 7.56 (0.3)
Mass [M] 0.366 0.397 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.9445
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] 3.21 (0.6) 3.28 (0.7) 3.21 (0.6)
Distance [pc] 311.77 (63) 304.44 (69) 311.77 (63)
Composition H
Proper motion (right ascension) [mas/yr] -8.018971469 (0.7) -8.563970802 (1) -8.019 (0.7)
Proper motion (declination) [mas/yr] 10.15698397 (0.7) 9.840325374 (1) 10.157 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.08 (0.07) 21.09 (0.07) 21.08 (0.07)
g magnitude 20.50 (0.02) 20.53 (0.03) 20.50 (0.02)
r magnitude 20.30 (0.02) 20.36 (0.03) 20.30 (0.02)
i magnitude 20.30 (0.03) 20.35 (0.03) 20.30 (0.03)
z magnitude 20.17 (0.1) 20.27 (0.09) 20.18 (0.1)
G magnitude 20.34 (0.09) 20.39 20.34 (0.006)
BP magnitude 20.50 (0.09) 20.46
RP magnitude 20.08 (0.1) 19.96
Pan g magnitude 20.56 (0.03)
Pan r magnitude 20.35 (0.02)
Pan i magnitude 20.36 (0.04)
Pan z magnitude 20.37 (0.02)
Pan y magnitude 19.93 (0.2)
E(B-V) 0.021

* 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.