All names: Gaia EDR3 3892236699509602560, SDSS J115440.77+011633.5, Gaia DR2 3892236699509602560, 2QZ J115440.7+011632, Gaia DR3 3892236699509602560, GALEX J115440.7+011633
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|
Right ascension | 11 54 40.74 (0.2) | 11 54 40.74 | 11 54 40.77 (0.2) | ||
Declination | 01 16 33.50 (0.2) | 01 16 33.50 | 01 16 33.58 (0.2) | ||
Spectral type | DA | DA | |||
Effective temperature | [K] | 16174.0 (1425) | |||
log(g) | [cgs] | 8.17 (0.1) | |||
Mass | [M☉] | 0.719 (0.1) | |||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 3.18 (0.3) | 3.18 | 3.18 (0.3) | |
Distance | [pc] | 314.01 (30) | 314.02 | 314.01 (30) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -29.406 (0.3) | -29.406 (0.3) | ||
Proper motion (declination) | [mas/yr] | -4.911 (0.2) | -4.911 (0.2) | ||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 19.30 (0.2) | ||||
H magnitude | |||||
K magnitude | |||||
u magnitude | 19.20 (0.03) | ||||
g magnitude | 18.91 (0.03) | ||||
r magnitude | 19.18 (0.02) | ||||
i magnitude | 19.37 (0.03) | ||||
z magnitude | 19.58 (0.09) | ||||
G magnitude | 18.99 (0.004) | 18.99 | 18.99 (0.004) | ||
BP magnitude | 18.99 (0.02) | ||||
RP magnitude | 19.12 (0.03) | ||||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.022 |
* 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.