Gaia DR2 4424957298712211840

All names: WDJ155918.01+032646.73, Gaia DR3 4424957298712211840, Gaia EDR3 4424957298712211840, Gaia DR2 4424957298712211840, SDSS J155917.98+032646.7, SDSS J155917.97+032646.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 15 59 17.86 (0.2) 15 59 17.87 15 59 17.86 15 59 18.01 (0.2) 15 59 17.87
Declination 03 26 46.80 (0.2) 03 26 46.79 03 26 46.80 03 26 46.74 (0.2) 03 26 46.79
Spectral type DA DA
Effective temperature [K] 4910.0 4587.0 4923.0 (135)
log(g) [cgs] 7.99 7.76 7.99 (0.07)
Mass [M] 0.572 0.435 0.571 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 5.9800 4.4340
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.22 (0.3) 14.35 (0.3) 14.22 14.22 (0.3) 14.35 (0.3)
Distance [pc] 70.30 (1) 69.69 (2) 70.30 70.30 (1) 69.69 (2)
Composition
Proper motion (right ascension) [mas/yr] -134.6135837 (0.3) -134.7279757 (0.6) -134.614 (0.3) -134.7279757
Proper motion (declination) [mas/yr] 3.729214003 (0.2) 3.965444655 (0.5) 3.729 (0.2) 3.965444655
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.61 (0.1) 21.48 (0.1)
g magnitude 19.88 (0.01) 19.89 (0.02)
r magnitude 19.12 (0.01) 19.12 (0.01)
i magnitude 18.98 (0.01) 18.88 (0.01)
z magnitude 18.74 (0.03) 18.72 (0.04)
G magnitude 19.17 (0.04) 19.21 19.17 19.17 (0.004) 19.21
BP magnitude 19.65 (0.04) 19.68 19.68
RP magnitude 18.51 (0.02) 18.51 18.51
Pan g magnitude 19.75 (0.01)
Pan r magnitude 19.14 (0.01)
Pan i magnitude 18.86 (0.005)
Pan z magnitude 18.77 (0.01)
Pan y magnitude 18.69 (0.02)
E(B-V) 0.003

* 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.