All names: TIC 17857896, Gaia EDR3 948546761433712256, Gaia DR2 948546761433712256, Gaia DR3 948546761433712256, SDSS J071941.81+412055.4, 2MASS J07194182+4120558, SDSS J071941.81+412055.5, [BGK2006] J071941.82+412055.5, SDSS J071941.81+412055.53
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 19 41.82 (0.04) | 07 19 41.81 | 07 19 41.82 (0.06) | 07 19 41.82 (0.04) | ||||
| Declination | 41 20 55.49 (0.04) | 41 20 55.50 | 41 20 55.49 (0.06) | 41 20 55.51 (0.04) | ||||
| Spectral type | sdA | sdA | ||||||
| Effective temperature | [K] | 8197.0 (7) | ||||||
| log(g) | [cgs] | 5.57 (0.02) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.19 (0.04) | 0.11 (0.06) | 0.19 (0.04) | ||||
| Distance | [pc] | 5307.51 (1184) | 8698.73 (4528) | 5307.86 (1183) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 0.431903895 (0.05) | 0.254238565 (0.1) | 0.432 (0.05) | ||||
| Proper motion (declination) | [mas/yr] | -1.164903438 (0.04) | -1.186096663 (0.1) | -1.165 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.06 (0.1) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 16.68 (0.007) | 16.68 (0.02) | 16.72 (0.007) | |||||
| g magnitude | 15.90 (0.004) | 15.91 (0.02) | 15.90 (0.004) | |||||
| r magnitude | 16.14 (0.004) | 16.15 (0.01) | 16.15 (0.01) | |||||
| i magnitude | 16.35 (0.005) | 16.35 (0.01) | 16.35 (0.01) | |||||
| z magnitude | 16.51 (0.008) | 16.50 (0.02) | 16.50 (0.008) | |||||
| G magnitude | 16.03 (0.004) | 16.05 | 16.03 (0.003) | |||||
| BP magnitude | 16.03 (0.004) | 16.02 | ||||||
| RP magnitude | 16.03 (0.005) | 16.03 | ||||||
| Pan g magnitude | 15.95 (0.003) | |||||||
| Pan r magnitude | 16.17 (0.003) | |||||||
| Pan i magnitude | 16.38 (0.002) | |||||||
| Pan z magnitude | 16.53 (0.005) | |||||||
| Pan y magnitude | 16.57 (0.006) | |||||||
| E(B-V) | 0.064 | |||||||
* 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.