LHS 2534

All names: WDJ121456.38-023402.84, SDSS J121456.39-023402.8, 2MASS J12145641-0234030, J1214-0234, LP 614-59, SDSS J121456.38-023402.9, Gaia EDR3 3694399755554510720, EQ J1214-0234, Gaia DR2 3694399755554510720, 121456.38-023402.84, SDSS J121456.38-023402.8, SDSS J121456.39-023402.7, 1212-022, TIC 349446042, WD 1212-022, NLTT 30094, Gaia DR3 3694399755554510720, LHS 2534

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 O'Brien et al. 2022 Leggett et al. 2018 Gaia DR2 Stilism Hollands et al. 2017 Ferrario et al. 2015 Hollands et al. 2015 Reid et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 12 14 56.77 (0.1) 12 14 56.38 12 14 56.75 (0.1) 12 14 56.77 12 14 56.38 (0.1) 12 14 56.75 12 14 54.94
Declination -02 34 09.55 (0.07) -02 34 02.85 -02 34 09.34 (0.09) -02 34 09.55 -02 34 02.84 (0.07) -02 34 09.34 -02 33 40.32
Spectral type DZH DZH DZH DZH DZP10.9 DZ DZ DZ DZ DZ DZP DZH DZH DZ
Effective temperature [K] 5362.0 (25) 5215.0 (65) 5115.0 (16) 5220.0 (60) 4618.0 (16) 5210.0 (100) 5200.0 5200.0 6000.0 5184.0 (30)
log(g) [cgs] 8.33 (0.01) 8.17 (0.04) 8.17 (0.01) 8.17 (0.04) 7.87 (0.03) 8.25 (0.01)
Mass [M] 0.787 (0.01) 0.679 (0.03) 0.679 (0.009) 0.494 (0.03) 0.73 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 6.6500 5.3850 (0.3) 5.8000
log(H/He) -1.0 -3.0
log(C/He)
log(Ca/He) -8.26 -9.4 -9.4
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He) -8.98
log(Mg/He) -8.19
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) -8.49
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 26.28 (0.1) 26.28 (0.1) 26.19 (0.1) 26.28 (0.1) 26.18 (0.6) 26.19 (0.2) 26.28 26.28 (0.1) 26.19 (0.2)
Distance [pc] 38.05 (0.2) 38.05 (0.2) 38.18 (0.2) 38.05 (0.2) 38.20 (0.9) 38.18 (0.2) 43.20 (5) 38.05 38.05 (0.2) 38.18 (0.2)
Composition He He
Proper motion (right ascension) [mas/yr] 358.6544279 (0.1) 358.2312795 (0.3) 358.654 (0.1) 358.231
Proper motion (declination) [mas/yr] -419.2817921 (0.09) -419.2843336 (0.2) -419.282 (0.09) -419.284
Variability
Magnetic yes yes yes yes yes
Bd [MG] 2.12 (0.03) 1.92 * 1.92
Infrared excess (disk)
Binarity
B magnitude 17.70
V magnitude 17.85
R magnitude
I magnitude
J magnitude 16.76 (0.02) 16.74 (0.2)
H magnitude 16.60 (0.02) 16.70 (0.3)
K magnitude 16.42 (0.04)
u magnitude 20.87 (0.06) 20.87 (0.06) 20.87 (0.06) 20.87 (0.06) 20.87 (0.06) 20.87 (0.06) 20.90
g magnitude 18.33 (0.007) 18.32 (0.02) 18.32 (0.02) 18.33 (0.007) 18.33 (0.007) 18.31
r magnitude 17.75 (0.006) 17.75 (0.01) 17.75 (0.01) 17.75 (0.006) 17.75 (0.006) 17.74
i magnitude 17.55 (0.007) 17.56 (0.01) 17.56 (0.01) 17.55 (0.007) 17.55 (0.007) 17.55
z magnitude 17.51 (0.02) 17.51 (0.02) 17.51 (0.02) 17.51 (0.02) 17.51 (0.02) 17.50
G magnitude 17.81 (0.01) 17.82 17.81 17.81 (0.003) 17.82
BP magnitude 18.23 (0.01) 18.28 18.28
RP magnitude 17.25 (0.007) 17.25 17.25
Pan g magnitude 18.23 (0.007) 18.23 (0.006)
Pan r magnitude 17.79 (0.005) 17.79 (0.005)
Pan i magnitude 17.60 (0.007) 17.60 (0.006)
Pan z magnitude 17.56 (0.01) 17.56 (0.01)
Pan y magnitude 17.58 (0.01) 17.58 (0.01)
E(B-V) 0.001

* 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.