All names: DENIS J185535.1-414744, UCAC4 242-168036, WISEA J185535.16-414744.9, GALEXJ18555-4147, WISE J185535.15-414744.5, 2MASS J18553516-4147444, Gaia DR2 6716184298001038976, GALEX J185535.1-414742, UCAC2 14084537, Gaia DR3 6716184298001038976, TIC 253900630
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 18 55 35.13 | 18 55 35.17 (0.04) | ||
Declination | -41 47 42.14 | -41 47 44.53 (0.04) | ||
Spectral type | sdB | sdB | ||
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] | 0.78 (0.06) | 0.81 (0.04) | |
Distance | [pc] | 1288.83 (99) | 1236.86 (64) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -2.125 (0.1) | -2.335 (0.04) | |
Proper motion (declination) | [mas/yr] | 2.318 (0.09) | 2.257 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 14.31 (0.01) | |||
V magnitude | 14.48 (0.01) | |||
R magnitude | 14.82 (0.1) | |||
I magnitude | 14.81 (0.03) | |||
J magnitude | 15.18 (0.06) | 15.18 (0.06) | ||
H magnitude | 15.27 (0.08) | 15.27 (0.08) | ||
K magnitude | 15.22 (0.2) | 15.22 (0.2) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 14.46 (0.0009) | 14.44 (0.003) | ||
BP magnitude | 14.23 (0.008) | |||
RP magnitude | 14.70 (0.004) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.082 |
* 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.