WD 1425+057

All names: TIC 402184491, Gaia DR2 3669936102871625600, PSO J216.9497+05.5416, Gaia EDR3 3669936102871625600, PM J14277+0532, LSPM J1427+0532, SDSS J142748.11+053232.3, SDSS J142748.12+053232.3, NLTT 37408, 14278+0532, WDJ142748.13+053232.58, LP 560-24, Gaia DR3 3669936102871625600, USNO-B1.0 0955-00234239, J1427+0532, SDSS J142748.12+053232.2, WD 1425+057, PM J14278+0532, 2MASS J14274811+0532321

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 Blouin et al. 2019 MWDD H MWDD HE Gaia DR2 Stilism Limoges et al. 2015 Sayres et al. 2012 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 27 47.92 (0.06) 14 27 48.11 14 27 47.93 (0.08) 14 27 48.12 14 27 47.92 14 27 48.13 (0.06) 14 27 47.93 14 27 47.83 14 27 48.12
Declination 05 32 29.84 (0.05) 05 32 32.31 05 32 29.93 (0.07) 05 32 32.20 05 32 29.84 05 32 32.59 (0.05) 05 32 29.93 05 32 29.76 05 32 32.29
Spectral type DC DC DC DC DA+DC DC DC DA+DC DC DA DC DC
Effective temperature [K] 6500.0 (22) 6725.0 (155) 7107.0 6840.0 7030.0 (218) 7060.0 (30) 6434.0 (78) 6301.0 (5)
log(g) [cgs] 7.95 (0.008) 8.11 (0.06) 8.25 8.14 8.00 (0.2) 8.01 (0.02) 10.00 (0.003)
Mass [M] 0.546 (0.006) 0.641 (0.04) 0.751 0.664 0.59 (0.1) 0.578 (0.02)
log(Luminosity) [L] -3.45
Cooling age [Gyr] 1.8400 2.1350 (0.2) 2.3530 2.2040
log(H/He) -3.2
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 23.89 (0.07) 23.93 (0.09) 23.93 (0.09) 23.93 (0.09) 23.89 23.89 (0.07) 23.93 (0.09)
Distance [pc] 41.87 (0.1) 41.79 (0.2) 41.79 (0.2) 41.79 (0.2) 69.30 (8) 48.50 41.87 41.87 (0.1) 41.79 (0.2)
Composition He He H He
Proper motion (right ascension) [mas/yr] -195.7928503 (0.07) -195.951064 (0.2) -195.793 (0.07) -195.951
Proper motion (declination) [mas/yr] -171.4993088 (0.06) -171.3995809 (0.1) -171.499 (0.06) -171.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WD+WD
B magnitude 17.60
V magnitude
R magnitude 16.70
I magnitude
J magnitude 16.24 (0.01) 16.30 (0.1) 16.30 16.24 (0.01) 16.30 (0.1)
H magnitude 16.13 (0.02) 16.03 (0.1) 16.03 16.15 (0.02) 16.03 (0.1)
K magnitude 15.98 (0.03) 15.93 (0.3) 15.93 15.97 (0.03) 15.93 (0.3)
u magnitude 17.62 (0.01) 17.59 (0.01) 17.61 17.61 (0.01) 17.62 (0.01) 17.62 (0.01) 17.58 (0.02)
g magnitude 17.04 (0.004) 17.02 17.02 (0.004) 17.02 (0.005) 17.04 (0.004) 17.03 (0.02)
r magnitude 16.87 (0.004) 16.86 (0.004) 16.87 (0.003) 16.87 (0.004) 16.86 (0.02)
i magnitude 16.82 (0.005) 16.82 16.82 (0.005) 16.84 (0.003) 16.82 (0.005) 16.83 (0.02)
z magnitude 16.90 (0.01) 16.86 16.86 (0.01) 16.90 (0.003) 16.90 (0.01) 16.86 (0.02)
G magnitude 16.84 (0.008) 16.86 16.84 16.84 (0.003) 16.86
BP magnitude 17.04 (0.008) 17.04 17.04
RP magnitude 16.54 (0.008) 16.53 16.53
Pan g magnitude 17.02 (0.006) 17.02 (0.005) 17.02 (0.005)
Pan r magnitude 16.87 (0.003) 16.87 (0.003) 16.87 (0.003)
Pan i magnitude 16.84 (0.004) 16.84 (0.003) 16.84 (0.003)
Pan z magnitude 16.90 (0.003) 16.90 (0.003) 16.90 (0.003)
Pan y magnitude 16.94 (0.007) 16.94 (0.006) 16.94 (0.006)
E(B-V) 0.002

* 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.