WD 1448+025

All names: Gaia EDR3 1154410346430357120, Gaia DR2 1154410346430357120, WD 1448+025, GALEX J145113.2+022011, Gaia DR3 1154410346430357120, SDSS J145113.17+022010.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 14 51 13.17 (0.5) 14 51 13.18 14 51 13.17 (0.6) 14 51 13.18 (0.5) 14 51 13.18 14 51 12.84 14 51 13.17 14 51 13.17
Declination 02 20 10.71 (0.4) 02 20 10.66 02 20 10.71 (0.6) 02 20 10.70 (0.4) 02 20 10.63 02 20 04.92 02 20 10.60 02 20 10.61
Spectral type DA DA DA DA5.0 DA DA
Effective temperature [K] 9198.0 10094.0 (184) 9972.0 (201) 10106.0 (186)
log(g) [cgs] 7.58 8.37 (0.2) 8.34 (0.2) 8.36 (0.2)
Mass [M] 0.385 0.804 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.4703
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] 2.66 (0.5) 2.37 (0.7) 2.66 (0.5)
Distance [pc] 375.29 (74) 421.08 (126) 375.29 (74)
Composition H
Proper motion (right ascension) [mas/yr] -2.791493303 (0.6) -2.6443735 (1) -2.791 (0.6) 0.3 0.0
Proper motion (declination) [mas/yr] 0.643581798 (0.5) -1.901249675 (1) 0.644 (0.5) 4.0 0.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.51 (0.06) 20.51 (0.06) 20.46 (0.06) 20.47 20.46 (0.06) 20.47 (0.06)
g magnitude 20.03 (0.02) 20.03 (0.02) 20.04 (0.03) 20.04 20.04 (0.02) 20.04 (0.02)
r magnitude 20.08 (0.02) 20.08 (0.02) 20.07 (0.02) 20.07 20.07 (0.02) 20.07 (0.02)
i magnitude 20.13 (0.04) 20.13 (0.04) 20.11 (0.04) 20.11 20.11 (0.04) 20.11 (0.04)
z magnitude 20.22 (0.2) 20.22 (0.2) 20.26 (0.2) 20.27 20.25 (0.2) 20.27 (0.2)
G magnitude 20.00 (0.08) 20.05 20.00 (0.007)
BP magnitude 20.15 (0.08) 20.01
RP magnitude 19.97 (0.1) 19.89
Pan g magnitude 20.01 (0.03)
Pan r magnitude 20.09 (0.03)
Pan i magnitude 20.19 (0.02)
Pan z magnitude 20.27 (0.05)
Pan y magnitude 20.08 (0.2)
E(B-V) 0.036

* 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.