All names: TIC 452922664, SDSSJ080540.00+050951.5, 2MASS J08054001+0509515, Gaia DR3 3094948627431806464, Gaia DR2 3094948627431806464, GALEX J080540.0+050952, Gaia EDR3 3094948627431806464, SDSS J080540.00+050951.5
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 08 05 40.01 (0.05) | 08 05 40.00 | 08 05 40.01 (0.05) | ||
Declination | 05 09 51.45 (0.03) | 05 09 51.49 | 05 09 51.56 (0.03) | ||
Spectral type | sd | sd | |||
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] | 0.87 (0.06) | 0.75 (0.08) | 0.87 (0.06) | |
Distance | [pc] | 1152.21 (78) | 1338.87 (151) | 1152.21 (78) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -6.339 (0.06) | -6.726 (0.1) | -6.339 (0.06) | |
Proper motion (declination) | [mas/yr] | -7.029 (0.04) | -6.902 (0.08) | -7.029 (0.04) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 16.54 (0.2) | 16.54 (0.2) | |||
H magnitude | 16.03 | ||||
K magnitude | 15.98 | ||||
u magnitude | 15.02 (0.004) | 15.04 (0.01) | |||
g magnitude | 15.35 (0.004) | 15.38 (0.02) | |||
r magnitude | 15.84 (0.004) | 15.87 (0.009) | |||
i magnitude | 16.23 (0.005) | 16.24 (0.01) | |||
z magnitude | 16.57 (0.009) | 16.57 (0.02) | |||
G magnitude | 15.65 (0.003) | 15.67 (0.001) | 15.65 (0.003) | ||
BP magnitude | 15.49 (0.004) | 15.42 (0.007) | |||
RP magnitude | 15.95 (0.005) | 15.95 (0.002) | |||
Pan g magnitude | 15.47 (0.007) | ||||
Pan r magnitude | 15.90 (0.007) | ||||
Pan i magnitude | 16.28 (0.002) | ||||
Pan z magnitude | 16.57 (0.003) | ||||
Pan y magnitude | 16.75 (0.005) | ||||
E(B-V) | 0.025 |
* 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.