All names: TIC 14677852, GALEX J082734.9+175358, LAMOST J082734.95+175355.8, SDSS J082734.96+175356.0, 2MASS J08273497+1753560, Gaia DR3 662146419308286976, EPIC 211841249, UCAC2 38070048, UCAC4 540-046854, Gaia EDR3 662146419308286976, Gaia DR2 662146419308286976, GALEXJ08275+1753
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 27 34.95 (0.04) | 08 27 35.00 | 08 27 34.97 (0.04) | ||
| Declination | 17 53 55.80 (0.02) | 17 53 58.32 | 17 53 56.06 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 29550.0 (950) | |||
| log(g) | [cgs] | 5.55 (0.09) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.11 (0.04) | 1.04 (0.06) | 1.11 (0.04) | |
| Distance | [pc] | 902.61 (36) | 959.88 (55) | 902.61 (36) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -17.582 (0.04) | -17.613 (0.1) | -17.582 (0.04) | |
| Proper motion (declination) | [mas/yr] | -15.936 (0.03) | -15.934 (0.07) | -15.936 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.37 (0.03) | ||||
| V magnitude | 14.56 (0.01) | ||||
| R magnitude | 14.81 (0.02) | ||||
| I magnitude | |||||
| J magnitude | 15.05 (0.04) | 15.05 (0.04) | |||
| H magnitude | 15.16 (0.09) | 15.16 (0.09) | |||
| K magnitude | 15.35 (0.1) | 15.35 (0.1) | |||
| u magnitude | 14.18 (0.03) | ||||
| g magnitude | 14.32 (0.02) | ||||
| r magnitude | 14.78 (0.01) | ||||
| i magnitude | 15.10 (0.02) | ||||
| z magnitude | 15.42 (0.02) | ||||
| G magnitude | 14.56 (0.003) | 14.58 (0.0005) | 14.56 (0.003) | ||
| BP magnitude | 14.43 (0.003) | 14.37 (0.005) | |||
| RP magnitude | 14.80 (0.004) | 14.79 (0.002) | |||
| Pan g magnitude | 14.40 (0.005) | ||||
| Pan r magnitude | 14.78 (0.002) | ||||
| Pan i magnitude | 15.12 (0.002) | ||||
| Pan z magnitude | 15.38 (0.002) | ||||
| Pan y magnitude | 15.56 (0.003) | ||||
| E(B-V) | 0.034 | ||||
* 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.