All names: Gaia DR3 4141454036586477184, SDSSJ171219.91-130241.8, SDSS J171219.91-130241.8, Gaia DR2 4141454036586477184, GALEX J171219.8-130241
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 17 12 19.91 | 17 12 19.92 (0.1) | ||
Declination | -13 02 41.85 | -13 02 41.75 (0.06) | ||
Spectral type | sd | sd+G/K | ||
Effective temperature | [K] | |||
log(g) | [cgs] | |||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.34 (0.1) | 0.48 (0.1) | |
Distance | [pc] | 2970.89 (1177) | 2086.38 (488) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 0.97 (0.2) | 0.995 (0.1) | |
Proper motion (declination) | [mas/yr] | -4.711 (0.2) | -4.638 (0.09) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 15.93 (0.09) | |||
H magnitude | 15.47 (0.1) | |||
K magnitude | 15.68 (0.3) | |||
u magnitude | 18.20 (0.02) | 18.20 (0.02) | ||
g magnitude | 17.79 (0.006) | 17.79 (0.006) | ||
r magnitude | 17.45 (0.006) | 17.45 (0.006) | ||
i magnitude | 17.23 (0.006) | 17.23 (0.006) | ||
z magnitude | 17.02 (0.01) | 17.02 (0.01) | ||
G magnitude | 17.39 (0.002) | 17.38 (0.003) | ||
BP magnitude | 17.72 (0.02) | |||
RP magnitude | 16.86 (0.008) | |||
Pan g magnitude | 17.78 (0.006) | |||
Pan r magnitude | 17.46 (0.004) | |||
Pan i magnitude | 17.24 (0.003) | |||
Pan z magnitude | 17.08 (0.005) | |||
Pan y magnitude | 16.97 (0.01) | |||
E(B-V) | 0.317 |
* 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.