PG 1123+189A

All names: WD 1123+189, GALEX J112619.1+183915, SDSS J112619.08+183916.3, PG 1123+189A, Gaia DR2 3977128961497893760, ** ZUC 9A, Gaia DR3 3977128961497893760, Gaia EDR3 3977128961497893760, WDS J11263+1839A

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 11 26 19.07 (0.08) 11 26 19.07 11 26 19.10 (0.08)
Declination 18 39 16.01 (0.07) 18 39 16.01 18 39 16.50 (0.07)
Spectral type DA DA.9
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 7.97 (0.1) 7.97 7.97 (0.1)
Distance [pc] 125.54 (2) 125.54 125.54 (2)
Composition
Proper motion (right ascension) [mas/yr] -27.648 (0.09) -27.648 (0.09)
Proper motion (declination) [mas/yr] -30.868 (0.08) -30.868 (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 13.52 (0.004)
g magnitude 13.88 (0.004)
r magnitude 14.40 (0.004)
i magnitude 14.82 (0.005)
z magnitude 15.13 (0.006)
G magnitude 14.13 (0.003) 14.13 14.13 (0.003)
BP magnitude 13.94 (0.007)
RP magnitude 14.13 (0.05)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.006

* Constant surface field

Special notes:

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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.