PG 1109-070

All names: 2MASS J11113630-0718323, GALEX J111136.4-071831, WISEA J111136.28-071832.5, PG1109-070, PG 1109-070, WISE J111136.29-071832.5, UCAC2 29278649, UCAC4 414-052532, TIC 143058705, Gaia DR2 3784322695556085248, Gaia DR3 3784322695556085248

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 11 11 36.37 11 11 36.30 (0.03)
Declination -07 18 31.83 -07 18 32.39 (0.03)
Spectral type sdB+K
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] 0.87 (0.05) 0.82 (0.04)
Distance [pc] 1153.40 (66) 1226.39 (59)
Composition
Proper motion (right ascension) [mas/yr] -23.63 (0.1) -24.091 (0.05)
Proper motion (declination) [mas/yr] -11.231 (0.06) -11.334 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.54 (0.05)
V magnitude 14.46 (0.04)
R magnitude 14.72 (0.1)
I magnitude
J magnitude 13.96 (0.03) 13.96 (0.03)
H magnitude 13.74 (0.03) 13.74 (0.03)
K magnitude 13.61 (0.06) 13.61 (0.06)
u magnitude
g magnitude 14.43 (0.03)
r magnitude 14.57 (0.04)
i magnitude 14.64 (0.1)
z magnitude
G magnitude 14.40 (0.0008) 14.38 (0.003)
BP magnitude 14.40 (0.006)
RP magnitude 14.27 (0.003)
Pan g magnitude 14.43 (0.001)
Pan r magnitude 14.52 (0.004)
Pan i magnitude 14.61 (0.001)
Pan z magnitude 14.69 (0.003)
Pan y magnitude 14.71 (0.005)
E(B-V) 0.028

* 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.