All names: 2MASS J17562963-0722488, Gaia DR2 4171625833944161920, Gaia DR3 4171625833944161920, UCAC4 414-072806, WISE J175629.61-072248.6, PSO J269.1234-07.3802, GALEX J175629.6-072249
Parameter | Unit | Vincent et al. 2024 | Simbad |
---|---|---|---|
Right ascension | 17 56 29.64 | 17 56 29.64 (0.04) | |
Declination | -07 22 48.98 | -07 22 48.90 (0.04) | |
Spectral type | DA: | DA | |
Effective temperature | [K] | 28898.0 (449) | |
log(g) | [cgs] | 7.38 (0.02) | |
Mass | [M☉] | 0.388 (0.007) | |
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 5.47 | 5.47 (0.04) |
Distance | [pc] | 182.76 | 182.76 (1) |
Composition | |||
Proper motion (right ascension) | [mas/yr] | -2.25 (0.05) | |
Proper motion (declination) | [mas/yr] | -5.375 (0.04) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | 15.33 (0.01) | ||
V magnitude | 15.58 (0.09) | ||
R magnitude | 15.82 (0.2) | ||
I magnitude | |||
J magnitude | 15.94 (0.09) | ||
H magnitude | 16.10 (0.2) | ||
K magnitude | |||
u magnitude | |||
g magnitude | 15.33 (0.01) | ||
r magnitude | 15.76 (0.01) | ||
i magnitude | |||
z magnitude | |||
G magnitude | 15.43 | 15.43 (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.