SDSS J142703.40+372110.5

All names: CSO 453, SDSS J142703.35+372110.5, WD 1425+375, SDSS J142703.31+372110.3, Gaia DR3 1481364628764195072, Gaia EDR3 1481364628764195072, SDSS J142703.40+372110.5, Gaia DR2 1481364628764195072

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 27 03.28 (0.05) 14 27 03.35 14 27 03.28 (0.06) 14 27 03.40 14 27 03.28 14 27 03.37 (0.05) 14 27 03.31 14 27 03.35
Declination 37 21 10.30 (0.06) 37 21 10.51 37 21 10.31 (0.08) 37 21 10.51 37 21 10.30 37 21 10.58 (0.06) 37 21 04.68 37 21 10.51
Spectral type DAH DA DA DAH DA: DAP DAP2.7 DAH DAH
Effective temperature [K] 19875.9 (743) 17963.0 19000.0 18877.0 (554) 49950.0 (990)
log(g) [cgs] 8.92 (0.04) 8.86 8.00 (0) 8.91 (0.02) 10.00 (0.002)
Mass [M] 1.164849685518378 (0.04) 1.138 1.159 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.5176
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] 8.97 (0.09) 8.91 (0.1) 8.97 8.97 (0.09)
Distance [pc] 111.45 (1) 112.24 (1) 111.45 111.45 (1)
Composition H H
Proper motion (right ascension) [mas/yr] -67.92109185 (0.06) -68.04629053 (0.1) -67.921 (0.06)
Proper motion (declination) [mas/yr] -17.87429195 (0.08) -17.79210631 (0.2) -17.874 (0.08)
Variability
Magnetic yes yes yes yes
Bd [MG] 28.48221193715372 27.04 (3) 27.04 (3)
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.54 (0.01) 17.54 (0.01) 17.55 17.54 (0.02)
g magnitude 17.54 (0.005) 17.54 (0.005) 17.57 17.55 (0.02)
r magnitude 17.87 (0.006) 17.88 (0.006) 17.91 17.90 (0.02)
i magnitude 18.15 (0.009) 18.15 (0.009) 18.18 18.17 (0.02)
z magnitude 18.41 (0.03) 18.41 (0.03) 18.43 18.42 (0.03)
G magnitude 17.72 (0.005) 17.75 17.72 17.72 (0.003)
BP magnitude 17.66 (0.005) 17.62
RP magnitude 17.90 (0.02) 17.88
Pan g magnitude 17.59 (0.005)
Pan r magnitude 17.88 (0.007)
Pan i magnitude 18.17 (0.004)
Pan z magnitude 18.44 (0.007)
Pan y magnitude 18.62 (0.03)
E(B-V) 0.010

* 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.