All names: Gaia DR3 57358399181633920, GALEX J033755.7+200110, LAMOSTJ033755.78+200110.0, Gaia DR2 57358399181633920, PSO J054.4824+20.0194, LAMOST J033755.78+200110.0
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 03 37 55.78 | 03 37 55.77 (0.1) | ||
Declination | 20 01 10.10 | 20 01 10.17 (0.08) | ||
Spectral type | sdB | sdB/sdO | ||
Effective temperature | [K] | 32599.0 (324) | ||
log(g) | [cgs] | 6.04 (0.09) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.07 (0.1) | 0.23 (0.1) | |
Distance | [pc] | 13698.63 (27454) | 4291.85 (2069) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 0.295 (0.3) | 0.657 (0.1) | |
Proper motion (declination) | [mas/yr] | -1.399 (0.2) | -1.51 (0.1) | |
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 | 17.75 (0.008) | |||
r magnitude | 17.99 (0.004) | |||
i magnitude | 18.22 (0.005) | |||
z magnitude | 18.40 (0.008) | |||
G magnitude | 17.86 (0.003) | 17.83 (0.003) | ||
BP magnitude | 17.75 (0.01) | |||
RP magnitude | 17.86 (0.02) | |||
Pan g magnitude | 17.75 (0.008) | |||
Pan r magnitude | 17.99 (0.004) | |||
Pan i magnitude | 18.22 (0.005) | |||
Pan z magnitude | 18.40 (0.008) | |||
Pan y magnitude | 18.54 (0.02) | |||
E(B-V) | 0.157 |
* 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.