WD 1402+016

All names: SDSS J140506.16+012351.1, Gaia DR3 3661108119716795392, SDSS J140506.18+012351.2, SDSS J140506.18+012351.3, Gaia DR2 3661108119716795392, LAMOST J140506.16+012351.2, SDSS J140506.16+012351.2, Gaia EDR3 3661108119716795392, 2QZ J140506.2+012351, WD 1402+016

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Guo et al. 2015 Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 14 05 06.15 (0.1) 14 05 06.16 14 05 06.15 (0.2) 14 05 06.15 14 05 06.18 (0.1) 14 05 06.19 14 05 05.86 14 05 06.18 14 05 06.18
Declination 01 23 51.08 (0.1) 01 23 51.18 01 23 51.08 (0.1) 01 23 51.08 01 23 51.34 (0.1) 01 23 51.30 01 23 46.68 01 23 51.30 01 23 51.29
Spectral type DA DA DA DA DA DA DA4.9 DA DA
Effective temperature [K] 9791.0 10400.0 (80) 9525.0 (258) 10311.0 (55) 10225.0 (60) 10366.0 (53)
log(g) [cgs] 7.87 8.24 (0.07) 7.80 (0.06) 8.16 (0.06) 8.17 (0.07) 8.25 (0.06)
Mass [M] 0.526 0.75 (0.04) 0.489 (0.04) 0.698 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.5415 0.7943
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] 6.25 (0.1) 6.25 (0.2) 6.25 6.25 (0.1)
Distance [pc] 159.95 (4) 160.01 (5) 159.95 159.95 (4)
Composition H H
Proper motion (right ascension) [mas/yr] -35.11952976 (0.2) -35.16603984 (0.3) -35.12 (0.2) -31.5 -28.0
Proper motion (declination) [mas/yr] -16.24957454 (0.1) -16.14821871 (0.2) -16.25 (0.1) -17.4 -18.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.93 (0.06)
H magnitude 17.89 (0.09)
K magnitude 18.10 (0.2)
u magnitude 18.55 (0.02) 18.55 (0.02) 18.58 (0.02) 18.51 18.59 (0.02) 18.51 (0.03)
g magnitude 18.07 (0.006) 18.07 (0.006) 18.11 (0.02) 18.12 18.12 (0.02) 18.12 (0.03)
r magnitude 18.15 (0.007) 18.15 (0.007) 18.16 (0.02) 18.17 18.17 (0.02) 18.17 (0.02)
i magnitude 18.26 (0.009) 18.26 (0.009) 18.29 (0.02) 18.30 18.30 (0.02) 18.30 (0.02)
z magnitude 18.48 (0.03) 18.48 (0.03) 18.44 (0.04) 18.44 18.45 (0.04) 18.44 (0.04)
G magnitude 18.08 (0.01) 18.11 18.08 18.08 (0.003)
BP magnitude 18.17 (0.01) 18.17
RP magnitude 17.96 (0.02) 17.97
Pan g magnitude 18.08 (0.004)
Pan r magnitude 18.15 (0.004)
Pan i magnitude 18.30 (0.007)
Pan z magnitude 18.46 (0.007)
Pan y magnitude 18.56 (0.01)
E(B-V) 0.018

* 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.