All names: Gaia EDR3 2154234138295606272, Gaia DR2 2154234138295606272, LAMOSTJ183652.69+572743.2, PSO J279.2195+57.4619, Gaia DR3 2154234138295606272, TIC 1551420295, LAMOST J183652.69+572743.2, TIC 471013476, GALEX J183652.7+572743
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 18 36 52.69 (0.04) | 18 36 52.70 | 18 36 52.70 (0.04) | ||
Declination | 57 27 43.20 (0.04) | 57 27 43.28 | 57 27 43.23 (0.04) | ||
Spectral type | sdB | sdB | |||
Effective temperature | [K] | 28457.0 (397) | |||
log(g) | [cgs] | 5.70 (0.07) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 0.61 (0.04) | 0.53 (0.06) | 0.61 (0.04) | |
Distance | [pc] | 1652.35 (118) | 1885.37 (208) | 1652.35 (118) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -0.704 (0.06) | -0.571 (0.1) | -0.704 (0.06) | |
Proper motion (declination) | [mas/yr] | -1.543 (0.06) | -1.781 (0.1) | -1.543 (0.06) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | |||||
g magnitude | 16.29 (0.003) | ||||
r magnitude | 16.68 (0.002) | ||||
i magnitude | 17.01 (0.003) | ||||
z magnitude | 17.26 (0.005) | ||||
G magnitude | 16.44 (0.003) | 16.47 (0.001) | 16.44 (0.003) | ||
BP magnitude | 16.32 (0.007) | 16.28 (0.008) | |||
RP magnitude | 16.70 (0.008) | 16.68 (0.005) | |||
Pan g magnitude | 16.29 (0.003) | ||||
Pan r magnitude | 16.68 (0.002) | ||||
Pan i magnitude | 17.01 (0.003) | ||||
Pan z magnitude | 17.26 (0.005) | ||||
Pan y magnitude | 17.44 (0.006) | ||||
E(B-V) | 0.033 |
* 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.