All names: LAMOST J011857.19-002545.5, SDSSJ011857.20-002546.5, GALEX J011857.2-002545, Gaia DR2 2533806305483837440, Gaia DR3 2533806305483837440, SDSS J011857.19-002546.5, FBS 0116-007, EPIC 220188903, Gaia EDR3 2533806305483837440, 2MASS J01185722-0025464, SDSS J011857.20-002546.5, PB 6373, TIC 248391428
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 18 57.20 (0.05) | 01 18 57.20 | 01 18 57.20 | 01 18 57.20 (0.07) | 01 18 57.20 (0.05) | 01 18 57.21 | |||
| Declination | -00 25 46.59 (0.04) | -00 25 46.51 | -00 25 46.52 | -00 25 46.59 (0.04) | -00 25 46.52 (0.04) | -00 25 46.51 | |||
| Spectral type | sdB+WD | sdBHe2 | SD_auto | ||||||
| Effective temperature | [K] | 27900.0 (600) | 28000.0 (47) | ||||||
| log(g) | [cgs] | 5.55 (0.07) | 5.36 (0.02) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.63 (0.05) | 0.64 (0.07) | 0.64 (0.07) | 0.63 (0.05) | ||||
| Distance | [pc] | 1577.22 (135) | 1573.32 (181) | 1573.35 (181) | 1577.29 (135) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.114313945 (0.07) | 0.684 (0.2) | 0.683776413 (0.2) | 1.114 (0.07) | 4.1 | |||
| Proper motion (declination) | [mas/yr] | -4.038810461 (0.05) | -4.476 (0.08) | -4.475779662 (0.08) | -4.039 (0.05) | -2.0 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 14.26 | ||||||||
| V magnitude | 14.80 | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.18 (0.05) | 15.24 (0.004) | |||||||
| H magnitude | 15.26 (0.1) | 15.15 (0.009) | |||||||
| K magnitude | 14.96 (0.1) | 15.15 (0.01) | |||||||
| u magnitude | 14.42 (0.004) | 14.42 (0.004) | 14.42 (0.004) | 14.41 (0.02) | |||||
| g magnitude | 14.56 (0.003) | 14.56 (0.003) | 14.56 (0.003) | 14.58 (0.02) | |||||
| r magnitude | 15.03 (0.005) | 15.03 (0.005) | 15.03 (0.005) | 15.07 (0.02) | |||||
| i magnitude | 15.34 (0.005) | 15.34 (0.005) | 15.34 (0.005) | 15.36 (0.02) | |||||
| z magnitude | 15.61 (0.006) | 15.61 (0.006) | 15.61 (0.006) | 15.64 (0.02) | |||||
| G magnitude | 14.81 (0.002) | 14.82 (0.001) | 14.82 | 14.81 (0.003) | |||||
| BP magnitude | 14.68 (0.002) | 14.63 (0.006) | 14.63 | ||||||
| RP magnitude | 15.01 (0.003) | 15.02 (0.006) | 15.02 | ||||||
| Pan g magnitude | 14.63 (0.004) | 14.63 (0.004) | |||||||
| Pan r magnitude | 15.04 (0.002) | 15.04 (0.002) | |||||||
| Pan i magnitude | 15.38 (0.002) | 15.38 (0.002) | |||||||
| Pan z magnitude | 15.62 (0.005) | 15.62 (0.005) | |||||||
| Pan y magnitude | 15.76 (0.005) | 15.76 (0.005) | |||||||
| E(B-V) | 0.027 | ||||||||
* 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.