WD 1102-188

All names: WD 1102-188, GALEX J110509.1-190705, USNO-B1.0 0708-00234485, Gaia EDR3 3552812447789842944, HE 1102-1850, Gaia DR3 3552812447789842944, Gaia DR2 3552812447789842944, SDSS J110509.06-190705.2

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 05 09.03 (0.06) 11 05 09.03 (0.1) 11 05 09.03 11 05 09.08 (0.06) 11 05 09.19
Declination -19 07 05.34 (0.06) -19 07 05.34 (0.09) -19 07 05.34 -19 07 05.21 (0.06) -19 07 00.48
Spectral type DB DBA DBA3.0
Effective temperature [K] 15110.0 (474)
log(g) [cgs] 8.10 (0.04)
Mass [M☉] 0.649 (0.03)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 6.78 (0.09) 6.78 (0.1) 6.78 6.78 (0.09)
Distance [pc] 147.57 (2) 147.53 (3) 147.57 147.57 (2)
Composition
Proper motion (right ascension) [mas/yr] -40.2929257 (0.08) -40.26002598 (0.2) -40.293 (0.08)
Proper motion (declination) [mas/yr] -8.32391388 (0.07) -8.178623775 (0.1) -8.324 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.00
V magnitude
R magnitude 17.10
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.23 (0.008) 17.25 17.23 17.23 (0.003)
BP magnitude 17.17 (0.008) 17.13
RP magnitude 17.35 (0.01) 17.36
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.010

* 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.