All names: Gaia EDR3 2327655361404412544, TIC 254298380, Gaia DR2 2327655361404412544, WD 2337-297, Gaia DR3 2327655361404412544, 2MASS J23402575-2925527, GALEX J234025.7-292553, 2QZ J234025.6-292553
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|
Right ascension | 23 40 25.77 (0.4) | 23 40 25.77 (0.5) | 23 40 25.75 (0.4) | 23 40 25.22 | ||
Declination | -29 25 52.88 (0.3) | -29 25 52.88 (0.4) | -29 25 52.82 (0.3) | -29 25 51.60 | ||
Spectral type | DA1.5+dM | DA1.5+dM | ||||
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] | 3.01 (0.4) | 1.15 (0.6) | 3.01 (0.4) | ||
Distance | [pc] | 331.97 (45) | 868.81 (451) | 331.97 (45) | ||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | 15.73473469 (0.5) | 18.284 (1) | 15.735 (0.5) | ||
Proper motion (declination) | [mas/yr] | -3.992966202 (0.4) | -3.174 (0.9) | -3.993 (0.4) | ||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | yes | |||||
B magnitude | 18.82 | |||||
V magnitude | 19.00 | |||||
R magnitude | ||||||
I magnitude | ||||||
J magnitude | 15.16 (0.04) | |||||
H magnitude | 14.58 (0.06) | |||||
K magnitude | 14.22 (0.07) | |||||
u magnitude | ||||||
g magnitude | ||||||
r magnitude | ||||||
i magnitude | ||||||
z magnitude | ||||||
G magnitude | 17.93 (0.02) | 17.84 | 17.93 (0.01) | |||
BP magnitude | 18.58 (0.02) | 18.57 | ||||
RP magnitude | 16.76 (0.01) | 16.78 | ||||
Pan g magnitude | ||||||
Pan r magnitude | ||||||
Pan i magnitude | ||||||
Pan z magnitude | ||||||
Pan y magnitude | ||||||
E(B-V) | 0.009 |
* 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.