All names: Gaia DR2 6613891091970498944, WISE J221505.40-313203.5, WISEA J221505.42-313203.7, Gaia DR3 6613891091970498944, 2QZ J221505.2-313203
Parameter | Unit | Vincent et al. 2024 | Simbad |
---|---|---|---|
Right ascension | 22 15 05.42 | 22 15 05.34 (0.1) | |
Declination | -31 32 04.68 | -31 32 03.67 (0.08) | |
Spectral type | DA | DA | |
Effective temperature | [K] | 9348.0 (201) | |
log(g) | [cgs] | 8.11 (0.04) | |
Mass | [M☉] | 0.664 (0.04) | |
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 7.89 | 7.89 (0.1) |
Distance | [pc] | 126.79 | 126.79 (2) |
Composition | |||
Proper motion (right ascension) | [mas/yr] | 62.773 (0.1) | |
Proper motion (declination) | [mas/yr] | -63.485 (0.1) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | 18.40 | ||
V magnitude | |||
R magnitude | |||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | |||
g magnitude | |||
r magnitude | |||
i magnitude | |||
z magnitude | |||
G magnitude | 18.07 | 18.07 (0.003) | |
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) |
* 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.