All names: TIC 118412596, GALEXJ18109-5711, Gaia DR3 6648681877555723776, 2MASS J18105674-5711153, UCAC4 165-199090, Gaia EDR3 6648681877555723776, Gaia DR2 6648681877555723776, GALEX J181056.8-571115, DENIS J181056.7-571115, UCAC2 6927696
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 18 10 56.77 (0.03) | 18 10 56.80 | 18 10 56.75 (0.03) | ||
Declination | -57 11 15.61 (0.03) | -57 11 15.71 | -57 11 15.47 (0.03) | ||
Spectral type | sdOB | sdOB | |||
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] | 0.98 (0.04) | 1.10 (0.07) | 0.98 (0.04) | |
Distance | [pc] | 1024.59 (42) | 908.60 (54) | 1024.59 (42) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 6.995 (0.04) | 7.01 (0.08) | 6.995 (0.04) | |
Proper motion (declination) | [mas/yr] | -8.58 (0.04) | -8.413 (0.08) | -8.58 (0.04) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | |||||
R magnitude | 15.22 (0.1) | ||||
I magnitude | 15.04 (0.05) | ||||
J magnitude | 15.41 (0.06) | 15.41 (0.06) | |||
H magnitude | 15.52 (0.1) | 15.52 (0.1) | |||
K magnitude | 15.72 | ||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 14.84 (0.003) | 14.86 (0.001) | 14.84 (0.003) | ||
BP magnitude | 14.72 (0.003) | 14.66 (0.007) | |||
RP magnitude | 15.05 (0.004) | 15.05 (0.003) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.108 |
* Constant surface field
Spectra without link are available upon request
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.