All names: GALEX J233310.8-172657, TIC 2052100786, Gaia DR2 2394852706025510016, EC 23305-1743, Gaia EDR3 2394852706025510016, GD 1315, EC23305-1743, Gaia DR3 2394852706025510016, PHL 560, TIC 471015422
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 23 33 10.95 (0.08) | 23 33 10.96 | 23 33 10.94 (0.08) | ||
Declination | -17 26 58.11 (0.06) | -17 26 58.16 | -17 26 58.12 (0.06) | ||
Spectral type | sdB | sdB | |||
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] | 0.46 (0.08) | 0.12 (0.1) | 0.46 (0.08) | |
Distance | [pc] | 2182.93 (381) | 8298.76 (9690) | 2182.93 (381) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 8.427 (0.1) | 8.289 (0.3) | 8.427 (0.1) | |
Proper motion (declination) | [mas/yr] | 0.472 (0.07) | -0.141 (0.4) | 0.472 (0.07) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 16.50 | ||||
V magnitude | 16.70 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 16.53 (0.003) | 16.55 (0.003) | 16.53 (0.003) | ||
BP magnitude | 16.37 (0.006) | 16.29 (0.01) | |||
RP magnitude | 16.90 (0.01) | 16.86 (0.01) | |||
Pan g magnitude | 16.35 (0.002) | ||||
Pan r magnitude | 16.82 (0.004) | ||||
Pan i magnitude | 17.20 (0.003) | ||||
Pan z magnitude | 17.48 (0.006) | ||||
Pan y magnitude | 17.70 (0.008) | ||||
E(B-V) | 0.017 |
* 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.