All names: Gaia EDR3 6451186636899257728, Gaia DR3 6451186636899257728, GALEX J205735.1-615525, EC20535-6207, TIC 1988868455, EC 20535-6207, Gaia DR2 6451186636899257728
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 20 57 35.23 (0.04) | 20 57 35.35 | 20 57 35.23 (0.04) | ||
Declination | -61 55 25.43 (0.04) | -61 55 26.00 | -61 55 25.37 (0.04) | ||
Spectral type | He-sdO | sdO?He | |||
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] | 0.45 (0.06) | 0.45 (0.1) | 0.45 (0.06) | |
Distance | [pc] | 2215.33 (282) | 2218.77 (559) | 2215.33 (282) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -0.184 (0.04) | -0.092 (0.1) | -0.184 (0.04) | |
Proper motion (declination) | [mas/yr] | -4.306 (0.05) | -4.385 (0.1) | -4.306 (0.05) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 16.02 | ||||
V magnitude | 16.24 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 16.22 (0.003) | 16.25 (0.001) | 16.22 (0.003) | ||
BP magnitude | 16.06 (0.004) | 15.99 (0.01) | |||
RP magnitude | 16.53 (0.007) | 16.53 (0.007) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.023 |
* 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.