WD 1409-184

All names: WDS J14123-1843A, J1412-1842, ** LDS 4441A, LP 799-73, USNO-B1.0 0712-00277965, NLTT 36542, SCR J1412-1842B, Gaia DR3 6296317052576778240, WD 1409-184, TIC 428745310, Gaia EDR3 6296317052576778240, WDJ141220.36-184241.64, 2MASS J14122035-1842415, 141220.36-184241.64, Gaia DR2 6296317052576778240

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 O'Brien et al. 2022 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 12 20.50 (0.08) 14 12 20.50 (0.09) 14 12 20.50 14 12 20.36 (0.08) 14 12 20.50 14 12 21.94
Declination -18 42 43.49 (0.06) -18 42 43.44 (0.08) -18 42 43.49 -18 42 41.64 (0.06) -18 42 43.44 -18 43 03.00
Spectral type DAH DC DAH DC DC DA: DC DC
Effective temperature [K] 5721.0 (86) 5428.0 (19) 5720.0 (90) 5794.0 5528.0 5883.0 (47)
log(g) [cgs] 8.08 (0.05) 7.90 (0.008) 8.08 (0.05) 8.13 7.96 8.16 (0.02)
Mass [M] 0.635 (0.03) 0.513 (0.007) 0.667 0.549 0.687 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 3.5200 3.4680 3.5340
log(H/He)
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] 30.06 (0.09) 30.06 (0.09) 30.13 (0.1) 30.06 (0.09) 30.13 (0.1) 30.06 30.06 (0.09) 30.13 (0.1)
Distance [pc] 33.27 (0.09) 33.27 (0.1) 33.19 (0.1) 33.27 (0.1) 33.19 (0.1) 33.27 33.27 (0.09) 33.19 (0.1)
Composition He
Proper motion (right ascension) [mas/yr] 120.9534708 (0.09) 120.7736605 (0.2) 120.953 (0.1) 120.7736605
Proper motion (declination) [mas/yr] -116.003431 (0.07) -116.0029856 (0.2) -116.003 (0.07) -116.0029856
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 17.77
V magnitude
R magnitude 16.91
I magnitude
J magnitude 15.96 (0.008) 16.08 (0.09)
H magnitude 15.81 (0.2) 15.81 (0.2)
K magnitude 15.69 (0.03) 15.70 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.95 (0.009) 16.97 16.95 16.95 (0.003) 16.97
BP magnitude 17.28 (0.009) 17.28 17.28
RP magnitude 16.44 (0.01) 16.43 16.43
Pan g magnitude 17.32 (0.004) 17.32 (0.005)
Pan r magnitude 16.94 (0.005) 16.94 (0.004)
Pan i magnitude 16.80 (0.002) 16.80 (0.003)
Pan z magnitude 16.77 (0.004) 16.77 (0.003)
Pan y magnitude 16.77 (0.008) 16.77 (0.008)
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.