WD 1449+000

All names: J1452-0011, WDJ145224.96-001134.62, 2MASS J14522496-0011347, WD 1449+000, Gaia EDR3 3651028381228835456, TIC 189808175, Gaia DR3 3651028381228835456, Gaia DR2 3651028381228835456, SDSS J145224.95-001134.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 14 52 25.13 (0.1) 14 52 24.95 14 52 25.12 (0.2) 14 52 25.13 14 52 24.96 (0.1) 14 52 25.12 14 52 24.84
Declination -00 11 32.52 (0.1) -00 11 34.71 -00 11 32.58 (0.2) -00 11 32.52 -00 11 34.61 (0.1) -00 11 32.58 -00 11 39.48
Spectral type DA DA DA DC DC DA DC DC10.0 DA
Effective temperature [K] 5186.0 (20) 5240.0 (19) 5187.0 (20) 5209.0 4902.0 5315.0 (61)
log(g) [cgs] 7.94 (0.01) 8.01 (0.01) 7.96 (0.01) 7.97 7.76 8.02 (0.03)
Mass [M] 0.548 (0.01) 0.591 (0.01) 0.556 (0.01) 0.564 0.434 0.596 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 4.5300 4.2480 3.6930
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] 22.50 (0.1) 22.70 (0.2) 22.70 (0.2) 22.50 22.50 (0.1) 22.70 (0.2)
Distance [pc] 44.44 (0.3) 44.05 (0.4) 44.05 (0.4) 44.44 44.44 (0.3) 44.05 (0.4)
Composition H H
Proper motion (right ascension) [mas/yr] 154.7114826 (0.1) 154.8644217 (0.4) 154.711 (0.1) 154.8644217
Proper motion (declination) [mas/yr] 131.0392264 (0.1) 131.1183797 (0.4) 131.039 (0.1) 131.1183797
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.67 (0.02) 16.58 (0.1)
H magnitude 16.40 (0.02)
K magnitude 16.32 (0.03)
u magnitude 19.90 (0.03) 19.89 (0.03) 19.89 (0.03) 19.89 (0.03) 19.61
g magnitude 18.44 (0.007) 18.43 (0.007) 18.43 (0.007) 18.25
r magnitude 17.82 (0.006) 17.82 (0.006) 17.82 (0.006) 17.67
i magnitude 17.59 (0.006) 17.59 (0.006) 17.59 (0.006) 17.47
z magnitude 17.47 (0.01) 17.47 (0.01) 17.47 (0.01) 17.40
G magnitude 17.84 (0.02) 17.86 17.84 17.84 (0.003) 17.86
BP magnitude 18.29 (0.02) 18.14 18.14
RP magnitude 17.27 (0.01) 17.25 17.25
Pan g magnitude 18.36 (0.006) 18.36 (0.007)
Pan r magnitude 17.81 (0.006) 17.81 (0.007)
Pan i magnitude 17.59 (0.004) 17.59 (0.005)
Pan z magnitude 17.51 (0.005) 17.51 (0.006)
Pan y magnitude 17.51 (0.01) 17.51 (0.01)
E(B-V) 0.002

* 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.