All names: Gaia DR3 4575316819482948608, GALEX J171728.3+283634, Gaia DR2 4575316819482948608
Parameter | Unit | Vincent et al. 2024 | Simbad |
---|---|---|---|
Right ascension | 17 17 28.35 | 17 17 28.34 (0.2) | |
Declination | 28 36 34.17 | 28 36 34.55 (0.2) | |
Spectral type | DA | DA | |
Effective temperature | [K] | 9004.0 (455) | |
log(g) | [cgs] | 8.27 (0.1) | |
Mass | [M☉] | 0.767 (0.09) | |
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 5.24 | 5.24 (0.2) |
Distance | [pc] | 190.88 | 190.88 (9) |
Composition | |||
Proper motion (right ascension) | [mas/yr] | 6.75 (0.2) | |
Proper motion (declination) | [mas/yr] | -24.215 (0.3) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | |||
V magnitude | |||
R magnitude | |||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | |||
g magnitude | |||
r magnitude | |||
i magnitude | |||
z magnitude | |||
G magnitude | 19.39 | 19.39 (0.004) | |
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.