All names: 2MASS J09435455+2746592, Gaia DR2 648029239761019776, Gaia DR3 648029239761019776, LAMOST J094354.56+274659.5, TIC 233635622, UBV M 43104, Gaia EDR3 648029239761019776, PG 0941+280, GALEX J094354.6+274656, PG0941+280, Ton 22, uvby98 610070022, V* HX Leo, GEN# +6.10070022
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 09 43 54.53 (0.04) | 09 43 54.61 | 09 43 54.55 (0.04) | ||
Declination | 27 46 58.52 (0.04) | 27 47 01.15 | 27 46 59.16 (0.04) | ||
Spectral type | sdB+WD | sdB | |||
Effective temperature | [K] | 29400.0 (500) | |||
log(g) | [cgs] | 5.43 (0.05) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 1.53 (0.04) | 1.50 (0.07) | 1.53 (0.04) | |
Distance | [pc] | 652.95 (19) | 666.13 (32) | 652.95 (19) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -16.922 (0.05) | -16.304 (0.2) | -16.922 (0.05) | |
Proper motion (declination) | [mas/yr] | -39.698 (0.05) | -40.508 (0.2) | -39.698 (0.05) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 12.95 | ||||
V magnitude | 13.24 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 13.80 (0.03) | 13.80 (0.03) | |||
H magnitude | 13.90 (0.04) | 13.90 (0.04) | |||
K magnitude | 14.00 (0.07) | 14.00 (0.07) | |||
u magnitude | 12.96 (0.004) | ||||
g magnitude | 13.30 (0.002) | ||||
r magnitude | 13.57 (0.004) | ||||
i magnitude | 13.86 (0.01) | ||||
z magnitude | 14.17 (0.006) | ||||
G magnitude | 13.20 (0.003) | 13.21 (0.0005) | 13.20 (0.003) | ||
BP magnitude | 13.06 (0.003) | 13.02 (0.009) | |||
RP magnitude | 13.46 (0.004) | 13.46 (0.002) | |||
Pan g magnitude | 13.07 | ||||
Pan r magnitude | 13.49 | ||||
Pan i magnitude | 13.81 (0.003) | ||||
Pan z magnitude | 14.08 (0.004) | ||||
Pan y magnitude | 14.24 (0.003) | ||||
E(B-V) | 0.021 |
* 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.