All names: Gaia DR3 4592167698469904000, Gaia DR2 4592167698469904000, UCAC2 43295402, GALEXJ18331+3239, TIC 27699822, 2MASS J18330644+3239590, UCAC4 614-061430, WISE J183306.44+323959.1, WISEA J183306.44+323959.0
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 18 33 06.40 | 18 33 06.44 (0.02) | ||
Declination | 32 39 58.77 | 32 39 59.07 (0.02) | ||
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] | 1.19 (0.03) | 1.24 (0.03) | |
Distance | [pc] | 837.17 (23) | 806.39 (17) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 2.865 (0.06) | 2.964 (0.03) | |
Proper motion (declination) | [mas/yr] | 3.021 (0.06) | 2.962 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | 14.74 (0.08) | |||
I magnitude | ||||
J magnitude | 14.94 (0.04) | 14.94 (0.04) | ||
H magnitude | 15.05 (0.07) | 15.05 (0.07) | ||
K magnitude | 15.23 (0.2) | 15.23 (0.2) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 14.40 (0.0006) | 14.39 (0.003) | ||
BP magnitude | 14.20 (0.006) | |||
RP magnitude | 14.64 (0.001) | |||
Pan g magnitude | 14.24 (0.003) | |||
Pan r magnitude | 14.65 (0.003) | |||
Pan i magnitude | 14.97 (0.002) | |||
Pan z magnitude | 15.24 (0.002) | |||
Pan y magnitude | 15.41 (0.003) | |||
E(B-V) | 0.055 |
* 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.