All names: UCAC2 38729976, TIC 435859217, GALEXJ00468+1956, Gaia DR2 2801277176253968640, GALEX J004648.3+195613, Gaia EDR3 2801277176253968640, 2MASS J00464826+1956129, LAMOST J004648.30+195612.5, UCAC4 550-001562, Gaia DR3 2801277176253968640
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 46 48.31 (0.04) | 00 46 48.34 | 00 46 48.30 (0.04) | ||
| Declination | 19 56 12.57 (0.03) | 19 56 13.62 | 19 56 12.73 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 32230.0 (250) | |||
| log(g) | [cgs] | 5.89 (0.06) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.91 (0.04) | 0.95 (0.06) | 0.91 (0.04) | |
| Distance | [pc] | 1103.63 (50) | 1049.65 (66) | 1103.63 (50) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 12.183 (0.05) | 12.409 (0.1) | 12.183 (0.05) | |
| Proper motion (declination) | [mas/yr] | -9.858 (0.03) | -9.826 (0.09) | -9.858 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.82 (0.01) | ||||
| V magnitude | 14.93 (0.02) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.21 (0.05) | 15.21 (0.05) | |||
| H magnitude | 15.30 (0.1) | 15.30 (0.1) | |||
| K magnitude | 14.86 (0.1) | 14.86 (0.1) | |||
| u magnitude | 14.54 (0.004) | ||||
| g magnitude | 14.74 (0.003) | 14.84 (0.01) | |||
| r magnitude | 15.15 (0.003) | 15.12 (0.03) | |||
| i magnitude | 15.44 (0.004) | 15.56 (0.01) | |||
| z magnitude | 15.73 (0.007) | ||||
| G magnitude | 14.96 (0.003) | 14.98 (0.0007) | 14.96 (0.003) | ||
| BP magnitude | 14.84 (0.003) | 14.80 (0.008) | |||
| RP magnitude | 15.18 (0.005) | 15.19 (0.005) | |||
| Pan g magnitude | 14.80 (0.006) | ||||
| Pan r magnitude | 15.19 (0.003) | ||||
| Pan i magnitude | 15.53 (0.001) | ||||
| Pan z magnitude | 15.77 (0.003) | ||||
| Pan y magnitude | 15.91 (0.007) | ||||
| E(B-V) | 0.053 | ||||
* 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.