All names: Gaia EDR3 2381793355452753152, WDJ23187.89-235908.05, WDJ231807.89-235908.05, LEHPM 5688, Gaia DR2 2381793355452753152, Gaia DR3 2381793355452753152
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|
Right ascension | 23 18 08.12 (0.3) | 23 18 08.11 | 23 18 08.12 | 23 18 07.89 (0.3) | 23 18 08.11 | |||
Declination | -23 59 11.71 (0.3) | -23 59 11.60 | -23 59 11.71 | -23 59 08.04 (0.3) | -23 59 11.60 | |||
Spectral type | DA | DA | ||||||
Effective temperature | [K] | 3927.0 (176) | ||||||
log(g) | [cgs] | 7.71 (0.09) | ||||||
Mass | [M☉] | 0.412 (0.07) | ||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 17.07 (0.3) | 16.56 (0.5) | 17.07 | 17.07 (0.3) | 16.56 (0.5) | ||
Distance | [pc] | 58.57 (1) | 60.37 (2) | 58.57 | 58.57 (1) | 60.37 (2) | ||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | 194.6837351 (0.5) | 192.0253865 (1) | 194.684 (0.5) | 192.0253865 | |||
Proper motion (declination) | [mas/yr] | -229.203302 (0.4) | -228.5708238 (0.6) | -229.203 (0.4) | -228.5708238 | |||
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 | 19.31 (0.05) | 19.34 | 19.31 | 19.31 (0.005) | 19.34 | |||
BP magnitude | 20.01 (0.05) | 19.96 | 19.96 | |||||
RP magnitude | 18.60 (0.04) | 18.55 | 18.55 | |||||
Pan g magnitude | 20.15 (0.03) | |||||||
Pan r magnitude | 19.26 (0.02) | |||||||
Pan i magnitude | 18.88 (0.01) | |||||||
Pan z magnitude | 18.76 (0.04) | |||||||
Pan y magnitude | 18.67 (0.03) | |||||||
E(B-V) | 0.001 |
* 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.