WD 1418-088

All names: TIC 6121254, NLTT 37026, USNO-B1.0 0809-00264271, USNO 628, PSO J215.2266-09.0859, WD1418-088, GEN# +9.80124026, LHS 5270, G124-26, WD 1418-088, 2MASS J14205484-0905086, Gaia DR2 6329136310728635776, PLX 3258.01, G 124-26, J1420-0905, GALEX J142054.6-090508, WDJ142054.81-090508.76, Gaia EDR3 6329136310728635776, Gaia DR3 6329136310728635776

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Blouin et al. 2019 MWDD H Gaia DR2 Bedard et al. 2017 Stilism Gianninas et al. 2011 Koester et al. 2009 Subasavage et al. 2007 Zuckerman et al. 2003 Koester et al. 2001 Bergeron et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 20 54.30 (0.2) 14 20 54.32 (0.1) 14 20 54.93 14 20 54.80 14 20 54.30 14 20 54.81 (0.2) 14 20 54.32 14 20 55.80
Declination -09 05 09.50 (0.2) -09 05 09.48 (0.1) -09 05 08.70 -09 05 09.00 -09 05 09.50 -09 05 08.77 (0.2) -09 05 09.48 -09 05 12.12
Spectral type DA DA DA DA DA DA DA6.5 DA DA DA DA6.1 DA7
Effective temperature [K] 7785.0 (71) 7726.0 (16) 7645.0 (60) 7676.0 8061.0 (117) 8210.0 (119) 8003.0 (10) 7872.0 (243) 7837.0 8289.0 (16) 7810.0 (190) 7719.0 (40)
log(g) [cgs] 7.57 (0.03) 7.56 (0.007) 7.55 (0.02) 7.54 8.10 (0.06) 8.31 (0.06) 7.91 (0.01) 7.35 8.26 (0.03) 7.43 (0.3) 7.50 (0.01)
Mass [M] 0.398 (0.01) 0.371 (0.005) 0.364 (0.009) 0.364 0.79 (0.04) 0.76 0.32 (0.09) 0.347 (0.008)
log(Luminosity) [L] -2.96 (0.1)
Cooling age [Gyr] 0.7300 0.7260 (0.02) 0.7187 0.6300 (0.1)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) <-11.723
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] 26.12 (0.2) 26.12 (0.2) 26.99 (0.1) 26.99 (0.1) 26.99 (0.1) 24.60 (4) 26.12 26.12 (0.2) 26.99 (0.1) 24.60 (4)
Distance [pc] 38.29 (0.3) 38.28 (0.3) 37.05 (0.2) 37.05 (0.2) 37.05 (0.2) 39.20 (6) 24.00 28.50 40.65 (6) 38.29 38.29 (0.3) 37.05 (0.2) 40.65 (7)
Composition H H H H H H
Proper motion (right ascension) [mas/yr] -474.3375076 (0.2) -474.0723849 (0.3) -474.338 (0.2) -474.0723849
Proper motion (declination) [mas/yr] -46.00172597 (0.2) -46.25635825 (0.2) -46.002 (0.2) -46.25635825
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity DDu DDU
B magnitude 15.66 15.90
V magnitude 15.36 15.36 15.38 15.36
R magnitude 15.21 15.21
I magnitude 15.00 15.01
J magnitude 14.80 (0.003) 14.76 (0.04) 14.76 (0.04) 14.81 14.76 (0.04)
H magnitude 14.67 (0.006) 14.73 (0.06) 14.73 (0.06) 14.69 14.73 (0.06)
K magnitude 14.66 (0.01) 14.76 (0.1) 14.76 (0.1) 14.69 14.76 (0.1)
u magnitude
g magnitude 15.46 (0.002)
r magnitude 15.38 (0.003)
i magnitude 15.39 (0.002)
z magnitude 15.47 (0.01)
G magnitude 15.31 (0.003) 15.33 15.31 15.31 (0.003) 15.33
BP magnitude 15.46 (0.003) 15.46 15.46
RP magnitude 15.06 (0.002) 15.07 15.07
Pan g magnitude 15.46 (0.002) 15.46 (0.002) 15.46 (0.002)
Pan r magnitude 15.38 (0.003) 15.38 (0.003) 15.38 (0.003)
Pan i magnitude 15.39 (0.002) 15.39 (0.002) 15.39 (0.002)
Pan z magnitude 15.47 (0.01) 15.47 (0.01) 15.47 (0.01)
Pan y magnitude 15.52 (0.006) 15.52 (0.006) 15.52 (0.006)
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.