All names: Gaia EDR3 3386622158606040960, Gaia DR3 3386622158606040960, Gaia DR2 3386622158606040960, 2MASS J06461835+2920135, GALEX J064618.3+292013, TIC 84592081, SDSS J064618.36+292013.1, LAMOST J064618.35+292013.4, LAMOST J064618.36+292013.2, GALEXJ06463+2920
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 06 46 18.37 (0.03) | 06 46 18.30 | 06 46 18.36 (0.03) | ||
| Declination | 29 20 13.03 (0.03) | 29 20 13.41 | 29 20 13.42 (0.03) | ||
| Spectral type | sdOB | sdOHe0 | |||
| Effective temperature | [K] | 37930.0 (360) | |||
| log(g) | [cgs] | 6.00 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 2.09 (0.04) | 1.98 (0.06) | 2.09 (0.04) | |
| Distance | [pc] | 478.06 (1e+01) | 504.92 (15) | 478.06 (1e+01) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 7.399 (0.04) | 7.315 (0.09) | 7.399 (0.04) | |
| Proper motion (declination) | [mas/yr] | -24.698 (0.03) | -24.764 (0.08) | -24.698 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.23 (0.03) | 14.23 (0.03) | |||
| H magnitude | 14.35 (0.06) | 14.35 (0.06) | |||
| K magnitude | 14.43 (0.09) | 14.43 (0.09) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | 13.78 | ||||
| i magnitude | 14.17 | ||||
| z magnitude | |||||
| G magnitude | 13.57 (0.003) | 13.59 (0.0009) | 13.57 (0.003) | ||
| BP magnitude | 13.42 (0.003) | 13.33 (0.008) | |||
| RP magnitude | 13.87 (0.004) | 13.86 (0.004) | |||
| Pan g magnitude | 13.40 (0.003) | ||||
| Pan r magnitude | 13.87 (0.01) | ||||
| Pan i magnitude | 14.21 (0.004) | ||||
| Pan z magnitude | 14.50 (0.003) | ||||
| Pan y magnitude | 14.68 (0.004) | ||||
| E(B-V) | 0.037 | ||||
* 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.