SDSS J145359.69+422427.3

All names: Gaia DR2 1489456518943874688, Gaia DR3 1489456518943874688, Gaia EDR3 1489456518943874688, SDSS J145359.69+422427.3, GALEX J145359.6+422427, WD 1452+426

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 Vincent et al. 2023
Right ascension 14 53 59.68 (0.4) 14 53 59.69 14 53 59.68 (0.5) 14 53 59.69 (0.4) 14 53 59.69 14 53 59.81 14 53 59.69
Declination 42 24 27.29 (0.4) 42 24 27.39 42 24 27.29 (0.5) 42 24 27.41 (0.4) 42 24 27.30 42 24 20.52 42 24 27.31
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 11144.0 16856.0 (801) 17190.0 (827)
log(g) [cgs] 6.56 7.53 (0.2) 7.40 (0.3)
Mass [M☉] 0.152 0.396 (0.08)
log(Luminosity) [L☉]
Cooling age [Gyr]
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] 0.80 (0.5) 0.75 (0.7) 0.80 (0.5)
Distance [pc] 1249.73 (830) 1334.02 (1248) 1249.69 (830)
Composition H
Proper motion (right ascension) [mas/yr] -3.641258186 (0.5) -4.325688451 (1) -3.641 (0.5)
Proper motion (declination) [mas/yr] -7.879899711 (0.6) -10.04688573 (1) -7.88 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.52 (0.06) 20.52 (0.06) 20.53 (0.07) 20.52 20.53 (0.07)
g magnitude 20.30 (0.02) 20.30 (0.02) 20.32 (0.03) 20.31 20.32 (0.03)
r magnitude 20.63 (0.03) 20.63 (0.03) 20.64 (0.03) 20.63 20.63 (0.03)
i magnitude 20.73 (0.06) 20.73 (0.06) 20.77 (0.05) 20.77 20.77 (0.05)
z magnitude 20.76 (0.2) 20.76 (0.2) 20.78 (0.2) 20.78 20.78 (0.2)
G magnitude 20.43 (0.1) 20.52 20.43 (0.006)
BP magnitude 20.27 (0.1) 20.43
RP magnitude 20.11 (0.1) 20.14
Pan g magnitude 20.32 (0.01)
Pan r magnitude 20.58 (0.02)
Pan i magnitude 20.77 (0.03)
Pan z magnitude 20.91 (0.08)
Pan y magnitude 20.05 (0.2)
E(B-V) 0.022

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit




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.