All names: GALEX J154114.2+044304, Gaia DR3 4427822763452970624, Gaia EDR3 4427822763452970624, SDSS J154114.17+044305.2, Gaia DR2 4427822763452970624, SDSS J154114.17+044305.23
Parameter | Unit | Gaia EDR3 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 15 41 14.19 (0.2) | 15 41 14.17 | 15 41 14.19 (0.2) | 15 41 14.19 (0.2) | |||
Declination | 04 43 05.11 (0.1) | 04 43 05.24 | 04 43 05.11 (0.1) | 04 43 05.31 (0.1) | |||
Spectral type | DAZ: | DAZ | |||||
Effective temperature | [K] | 6321.0 (24) | |||||
log(g) | [cgs] | 5.32 (0.3) | |||||
Mass | [M☉] | ||||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | 0.57 (0.2) | 0.41 (0.2) | 0.57 (0.2) | |||
Distance | [pc] | 1758.70 (574) | 2460.02 (1492) | 1758.71 (574) | |||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | -1.417867963 (0.2) | -1.107 (0.4) | -1.418 (0.2) | |||
Proper motion (declination) | [mas/yr] | -12.69704136 (0.1) | -12.549 (0.3) | -12.697 (0.1) | |||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 19.56 (0.03) | 19.57 (0.03) | 19.57 (0.03) | ||||
g magnitude | 18.78 (0.009) | 18.78 (0.01) | 18.78 (0.01) | ||||
r magnitude | 18.91 (0.01) | 18.83 (0.02) | 18.83 (0.02) | ||||
i magnitude | 18.49 (0.01) | 18.41 (0.02) | 18.41 (0.02) | ||||
z magnitude | 17.99 (0.02) | 18.06 (0.02) | 18.06 (0.02) | ||||
G magnitude | 18.24 (0.02) | 18.26 | 18.24 (0.003) | ||||
BP magnitude | 18.53 (0.02) | 18.53 | |||||
RP magnitude | 17.81 (0.02) | 17.78 | |||||
Pan g magnitude | |||||||
Pan r magnitude | |||||||
Pan i magnitude | |||||||
Pan z magnitude | |||||||
Pan y magnitude | |||||||
E(B-V) | 0.038 |
* 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.