WD 1128-154

All names: Gaia DR2 3560286305063574016, GALEX J113051.7-154124, Gaia DR3 3560286305063574016, Gaia EDR3 3560286305063574016, HE 1128-1524, WD 1128-154, USNO-B1.0 0743-00252110

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 30 51.67 (0.09) 11 30 51.67 (0.1) 11 30 51.67 11 30 51.68 (0.09) 11 30 51.29
Declination -15 41 25.55 (0.08) -15 41 25.55 (0.09) -15 41 25.55 -15 41 25.72 (0.08) -15 41 21.48
Spectral type DB DB DB1.8
Effective temperature [K] 21382.0 (1305)
log(g) [cgs] 8.03 (0.05)
Mass [M☉] 0.618 (0.04)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.78 (0.1) 3.68 (0.2) 3.78 3.78 (0.1)
Distance [pc] 264.46 (9) 271.41 (12) 264.46 264.46 (9)
Composition
Proper motion (right ascension) [mas/yr] -10.26844233 (0.1) -9.915278585 (0.3) -10.268 (0.1)
Proper motion (declination) [mas/yr] 10.60369436 (0.09) 10.43092117 (0.2) 10.604 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.10
V magnitude
R magnitude 17.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.76 (0.008) 17.79 17.76 17.76 (0.003)
BP magnitude 17.68 (0.008) 17.66
RP magnitude 17.92 (0.009) 17.93
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
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.