All names: 2MASS J19110929-1406532, TIC 230936927, GALEXJ19111-1406, GALEX J191109.3-140654, [VKN2011] J191109.3-140654, Gaia DR2 4185372993465091072, GALEX J191109.2-140651, TYC 5720-292-1, Gaia DR3 4185372993465091072
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 19 11 09.29 | 19 11 09.29 (0.04) | ||
Declination | -14 06 54.12 | -14 06 53.28 (0.04) | ||
Spectral type | He-sdO | sdOC6.5VIIHe39 | ||
Effective temperature | [K] | 55970.0 (4540) | ||
log(g) | [cgs] | 5.69 (0.7) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 2.15 (0.07) | 1.94 (0.04) | |
Distance | [pc] | 464.53 (15) | 515.09 (12) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -36.911 (0.1) | -37.082 (0.05) | |
Proper motion (declination) | [mas/yr] | -33.363 (0.09) | -33.415 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 11.67 (0.09) | |||
V magnitude | 11.79 (0.2) | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 12.31 (0.02) | 12.31 (0.02) | ||
H magnitude | 12.40 (0.02) | 12.40 (0.02) | ||
K magnitude | 12.56 (0.03) | 12.56 (0.03) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 11.89 (0.0006) | 11.88 (0.003) | ||
BP magnitude | 11.70 (0.01) | |||
RP magnitude | 12.04 (0.003) | |||
Pan g magnitude | 11.51 | |||
Pan r magnitude | 11.97 | |||
Pan i magnitude | 12.30 | |||
Pan z magnitude | 12.59 | |||
Pan y magnitude | 12.78 (0.002) | |||
E(B-V) | 0.172 |
* 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.