All names: 2MASS J01090173-0011128, EPIC 220195136, TIC 248349293, Gaia EDR3 2534754359385331968, Gaia DR2 2534754359385331968, SDSS J010901.73-001112.7, CHSS 1637, Gaia DR3 2534754359385331968, SDSS J010901.74-001112.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 09 01.75 (0.03) | 01 09 01.75 | 01 09 01.75 (0.05) | 01 09 01.74 (0.03) | 01 09 01.74 | |||
| Declination | -00 11 12.86 (0.02) | -00 11 12.79 | -00 11 12.86 (0.03) | -00 11 12.78 (0.02) | -00 11 12.72 | |||
| Spectral type | sdA | SD_auto | ||||||
| Effective temperature | [K] | 12293.0 (6) | ||||||
| log(g) | [cgs] | 5.00 (0.002) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.17 (0.04) | 0.15 (0.06) | 0.17 (0.04) | ||||
| Distance | [pc] | 5723.70 (1283) | 6729.48 (2518) | 5724.10 (1284) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 12.29933971 (0.05) | 12.244 (0.1) | 12.299 (0.05) | 2.0 | |||
| Proper motion (declination) | [mas/yr] | -5.30278601 (0.03) | -5.316 (0.06) | -5.303 (0.03) | -1.0 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.44 (0.04) | |||||||
| H magnitude | 15.39 (0.1) | |||||||
| K magnitude | 15.40 (0.2) | |||||||
| u magnitude | 16.26 (0.006) | 16.30 (0.006) | 16.29 (0.03) | |||||
| g magnitude | 15.28 (0.004) | 15.28 (0.004) | 15.27 (0.03) | |||||
| r magnitude | 15.52 (0.005) | 15.51 (0.004) | 15.52 (0.01) | |||||
| i magnitude | 15.73 (0.005) | 15.72 (0.005) | 15.73 (0.02) | |||||
| z magnitude | 15.89 (0.007) | 15.90 (0.007) | 15.91 (0.02) | |||||
| G magnitude | 15.41 (0.001) | 15.43 | 15.41 (0.003) | |||||
| BP magnitude | 15.41 (0.001) | 15.41 | ||||||
| RP magnitude | 15.41 (0.003) | 15.41 | ||||||
| Pan g magnitude | 15.30 (0.003) | |||||||
| Pan r magnitude | 15.55 (0.002) | |||||||
| Pan i magnitude | 15.75 (0.003) | |||||||
| Pan z magnitude | 15.91 (0.003) | |||||||
| Pan y magnitude | 15.94 (0.01) | |||||||
| E(B-V) | 0.026 | |||||||
* 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.