WD 1143-013

All names: GSC2U J114625.7-013635, LHS 2455, 2MASS J11462574-0136363, SDSS J114625.77-013636.9, J1146-0136, G 11-20, NLTT 28493, WDJ114625.77-013636.90, Gaia DR2 3794567429507510528, Gaia EDR3 3794567429507510528, SDSS J114625.76-013636.9, PSO J176.6084-01.6115, TIC 82053952, WD 1143-013, Gaia DR3 3794567429507510528

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Subasavage et al. 2007 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 46 26.15 (0.05) 11 46 26.13 (0.07) 11 46 25.77 11 46 26.15 11 46 25.77 (0.05) 11 46 26.13 11 46 24.65
Declination -01 36 43.86 (0.04) -01 36 43.65 (0.04) -01 36 36.80 -01 36 43.86 -01 36 36.90 (0.04) -01 36 43.65 -01 36 34.20
Spectral type DA DA DA DA7.5 DA7.5 DA DA7.5 DA
Effective temperature [K] 6526.0 (52) 6598.0 (13) 6615.0 (40) 6614.0 6824.0 (250) 6748.0 (41)
log(g) [cgs] 7.98 (0.03) 8.02 (0.005) 8.03 (0.02) 8.03 8.06 (0.01)
Mass [M] 0.579 (0.01) 0.602 (0.004) 0.611 (0.01) 0.607 0.627 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 1.8800 1.8550 (0.07) 1.8340
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] 30.38 (0.05) 30.38 (0.05) 30.46 (0.08) 30.46 (0.08) 30.46 (0.08) 30.38 30.38 (0.05) 30.46 (0.08)
Distance [pc] 32.91 (0.06) 32.92 (0.05) 32.83 (0.09) 32.84 (0.08) 32.83 (0.08) 34.40 32.91 32.91 (0.06) 32.83 (0.08)
Composition H H H H
Proper motion (right ascension) [mas/yr] 356.8645885 (0.06) 357.0779089 (0.2) 356.865 (0.06) 357.0779089
Proper motion (declination) [mas/yr] -435.1730296 (0.04) -435.1835164 (0.09) -435.173 (0.04) -435.1835164
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.41
V magnitude 16.39 (0.03)
R magnitude 16.08
I magnitude 15.79
J magnitude 15.47 (0.009) 15.54 (0.06) 15.54 (0.06) 15.54 (0.06)
H magnitude 15.26 (0.009) 15.38 (0.08) 15.38 (0.08) 15.38 (0.08)
K magnitude 15.24 (0.01) 15.18 (0.2) 15.18 (0.2) 15.18 (0.2)
u magnitude 17.15 (0.008) 17.14 (0.008) 17.15 (0.008) 17.14
g magnitude 16.48 (0.0001) 16.48 (0.005) 16.51
r magnitude 16.24 (0.003) 16.27 (0.005) 16.24
i magnitude 16.14 (0.004) 16.19 (0.006) 16.14
z magnitude 16.22 (0.004) 16.21 (0.007) 16.17
G magnitude 16.25 (0.003) 16.26 16.25 16.25 (0.003) 16.26
BP magnitude 16.48 (0.003) 16.49 16.49
RP magnitude 15.86 (0.004) 15.87 15.87
Pan g magnitude 16.48 (0.0001) 16.48 (0.0001) 16.48 (0)
Pan r magnitude 16.28 (0.02) 16.28 (0.02) 16.28 (0.01)
Pan i magnitude 16.24 (0.01) 16.24 (0.01) 16.24 (0.01)
Pan z magnitude 16.22 (0.004) 16.22 (0.004) 16.22 (0.004)
Pan y magnitude 16.25 (0.005) 16.25 (0.005) 16.25 (0.005)
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.