LHS 2534

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

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 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 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 56.38 (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 02.84 (0.09) -02 34 09.34 -02 33 40.32
Spectral type DZH DZH DZH DZP10.9 DZ DZ DZ DZ DZP DZH DZ
Effective temperature [K] 5215.0 (65) 5115.0 (16) 5220.0 (60) 4618.0 (16) 5210.0 (100) 5200.0 5200.0 6000.0
log(g) [cgs] 8.26 (0.04) 8.17 (0.01) 8.17 (0.04) 7.87 (0.03)
Mass [M] 0.747 (0.03) 0.679 (0.009) 0.494 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 6.6500 5.3850 (0.3) 5.8000
log(H/He) -3.0
log(C/He)
log(Ca/He) -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) 26.19 (0.2) 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) 38.18 (0.2) 38.18 (0.2)
Composition He He
Proper motion (right ascension) [mas/yr] 358.6544279 (0.1) 358.2312795 (0.3) 358.231 (0.3) 358.2312795
Proper motion (declination) [mas/yr] -419.2817921 (0.09) -419.2843336 (0.2) -419.284 (0.2) -419.2843336
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 17.82 (0.002) 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.