All names: GALEX J200017.6+062457, Gaia DR2 4248996616072498176, Gaia DR3 4248996616072498176
Parameter | Unit | Vincent et al. 2024 | Simbad |
---|---|---|---|
Right ascension | 20 00 17.57 | 20 00 17.57 (0.05) | |
Declination | 06 24 57.16 | 06 24 57.16 (0.04) | |
Spectral type | DA | DA | |
Effective temperature | [K] | 18055.0 (446) | |
log(g) | [cgs] | 7.81 (0.03) | |
Mass | [M☉] | 0.518 (0.02) | |
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 5.18 | 5.18 (0.07) |
Distance | [pc] | 192.98 | 192.98 (3) |
Composition | |||
Proper motion (right ascension) | [mas/yr] | 5.971 (0.07) | |
Proper motion (declination) | [mas/yr] | -0.119 (0.06) | |
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 | 17.13 | 17.13 (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.