All names: GALEX J223748.7-305906, WD 2235-312, Gaia DR2 6607192111219841536, Gaia DR3 6607192111219841536, Gaia EDR3 6607192111219841536, 2QZ J223748.6-305907
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|
Right ascension | 22 37 48.69 (0.2) | 22 37 48.69 (0.4) | 22 37 48.69 (0.2) | 22 37 48.17 | ||
Declination | -30 59 07.20 (0.2) | -30 59 07.20 (0.4) | -30 59 07.07 (0.2) | -30 59 05.64 | ||
Spectral type | DA3.0 | DA3.0 | ||||
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] | 2.88 (0.3) | 2.74 (0.5) | 2.88 (0.3) | ||
Distance | [pc] | 347.45 (33) | 365.29 (71) | 347.45 (33) | ||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | 3.12312551 (0.2) | 3.57309261 (0.5) | 3.123 (0.2) | ||
Proper motion (declination) | [mas/yr] | -8.117865641 (0.3) | -6.992778437 (0.9) | -8.118 (0.3) | ||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | ||||||
B magnitude | 18.90 | |||||
V magnitude | 18.90 | |||||
R magnitude | ||||||
I magnitude | ||||||
J magnitude | ||||||
H magnitude | ||||||
K magnitude | ||||||
u magnitude | ||||||
g magnitude | ||||||
r magnitude | ||||||
i magnitude | ||||||
z magnitude | ||||||
G magnitude | 18.92 (0.03) | 18.95 | 18.92 (0.004) | |||
BP magnitude | 18.89 (0.03) | 18.88 | ||||
RP magnitude | 19.06 (0.07) | 18.90 | ||||
Pan g magnitude | ||||||
Pan r magnitude | ||||||
Pan i magnitude | ||||||
Pan z magnitude | ||||||
Pan y magnitude | ||||||
E(B-V) | 0.012 |
* 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.