SDSS J155948.02+123708.0

All names: Gaia DR3 4457950004827014400, SDSS J155948.04+123707.9, SDSS J155948.02+123708.0, SDSS J155948.01+123708.0, SDSS J155948.02+123708.04, SDSS J155948.04+123707.8, Gaia EDR3 4457950004827014400, Gaia DR2 4457950004827014400, GALEX J155948.0+123708

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 15 59 48.00 (0.07) 15 59 48.04 15 59 48.00 (0.09) 15 59 48.00 15 59 48.06 (0.07)
Declination 12 37 08.10 (0.06) 12 37 07.88 12 37 08.09 (0.07) 12 37 08.10 12 37 07.85 (0.06)
Spectral type DA DA DA DA DA
Effective temperature [K] 14448.0 16601.0 (13) 14344.0 (394)
log(g) [cgs] 7.89 8.09 (0.01) 7.88 (0.03)
Mass [M] 0.551 0.6629999999999999 (0.005) 0.545 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.1871
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] 5.08 (0.1) 5.08 (0.1) 5.08 5.08 (0.1)
Distance [pc] 196.79 (4) 196.90 (5) 196.79 196.79 (4)
Composition H
Proper motion (right ascension) [mas/yr] -53.06287823 (0.09) -53.00281202 (0.2) -53.063 (0.09)
Proper motion (declination) [mas/yr] 15.28563573 (0.08) 15.20307591 (0.1) 15.286 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.84 (0.01) 17.85 (0.02) 17.84 (0.01)
g magnitude 17.55 (0.005) 17.56 (0.02) 17.55 (0.005)
r magnitude 17.85 (0.006) 17.85 (0.02) 17.84 (0.006)
i magnitude 18.08 (0.009) 18.09 (0.02) 18.08 (0.009)
z magnitude 18.34 (0.03) 18.34 (0.03) 18.34 (0.03)
G magnitude 17.70 (0.006) 17.72 17.70 17.70 (0.003)
BP magnitude 17.66 (0.006) 17.65
RP magnitude 17.82 (0.01) 17.82
Pan g magnitude 17.57 (0.006)
Pan r magnitude 17.84 (0.005)
Pan i magnitude 18.10 (0.006)
Pan z magnitude 18.34 (0.01)
Pan y magnitude 18.50 (0.02)
E(B-V) 0.027

* 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.