All names: WISE J085457.88-764622.6, DENIS J085457.5-764622, Gaia DR3 5215511523500404352, TIC 804835539, Gaia DR2 5215511523500404352
Parameter | Unit | Vincent et al. 2024 | Simbad |
---|---|---|---|
Right ascension | 08 54 57.60 | 08 54 57.51 (0.05) | |
Declination | -76 46 21.98 | -76 46 21.94 (0.05) | |
Spectral type | DB | DB | |
Effective temperature | [K] | 15499.0 (373) | |
log(g) | [cgs] | 8.15 (0.03) | |
Mass | [M☉] | 0.681 (0.02) | |
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 7.99 | 7.99 (0.05) |
Distance | [pc] | 125.13 | 125.13 (0.8) |
Composition | |||
Proper motion (right ascension) | [mas/yr] | 18.488 (0.06) | |
Proper motion (declination) | [mas/yr] | -2.788 (0.06) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | |||
V magnitude | |||
R magnitude | |||
I magnitude | 16.94 (0.1) | ||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | |||
g magnitude | |||
r magnitude | |||
i magnitude | |||
z magnitude | |||
G magnitude | 16.91 | 16.91 (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.