All names: GALEX J201430.1+092703, SDSS J201430.18+092702.4, Gaia DR2 4251395162024377472, Gaia EDR3 4251394921506192896, Gaia DR3 4251395162024377472, SDSSJ201430.18+092702.4
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 20 14 36.71 (0.5) | 20 14 30.18 | 20 14 30.18 (0.06) | ||
| Declination | 09 26 27.19 (0.4) | 09 27 02.46 | 09 27 02.47 (0.05) | ||
| Spectral type | sd | sd+F/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] | 1.38 (0.7) | 0.01 (0.1) | 0.12 (0.08) | |
| Distance | [pc] | 723.75 (378) | 125000.00 (1506250) | 8396.31 (5478) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.216 (0.8) | -2.537 (0.1) | -2.697 (0.09) | |
| Proper motion (declination) | [mas/yr] | -7.082 (0.7) | -9.916 (0.1) | -9.951 (0.07) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.54 (0.1) | ||||
| H magnitude | 16.16 (0.2) | ||||
| K magnitude | 16.92 | ||||
| u magnitude | 17.59 (0.01) | 17.59 (0.01) | |||
| g magnitude | 17.35 (0.005) | 17.35 (0.005) | |||
| r magnitude | 17.26 (0.005) | 17.26 (0.005) | |||
| i magnitude | 17.23 (0.006) | 17.23 (0.006) | |||
| z magnitude | 17.18 (0.01) | 17.18 (0.01) | |||
| G magnitude | 20.22 (0.006) | 17.22 (0.0009) | 17.20 (0.003) | ||
| BP magnitude | 20.67 (0.09) | 17.34 (0.01) | |||
| RP magnitude | 19.76 (0.06) | 16.93 (0.005) | |||
| Pan g magnitude | 17.36 (0.006) | ||||
| Pan r magnitude | 17.28 (0.003) | ||||
| Pan i magnitude | 17.27 (0.005) | ||||
| Pan z magnitude | 17.29 (0.006) | ||||
| Pan y magnitude | 17.28 (0.008) | ||||
| E(B-V) | 0.112 | ||||
* 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.