All names: SDSS J233641.15+444952.9, SDSS J233641.14+444952.9, Gaia DR2 1926772773380639360, Gaia DR3 1926772773380639360, LAMOST J233641.14+444952.9, Gaia EDR3 1926772773380639360, SDSSJ233641.14+444952.9, LAMOST J233641.14+444952.8
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 36 41.14 (0.04) | 23 36 41.14 | 23 36 41.14 (0.04) | ||
| Declination | 44 49 52.86 (0.04) | 44 49 52.90 | 44 49 52.92 (0.04) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 31411.0 (1019) | |||
| log(g) | [cgs] | 5.67 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.38 (0.06) | 0.37 (0.07) | 0.38 (0.06) | |
| Distance | [pc] | 2609.60 (383) | 2678.09 (523) | 2609.60 (383) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.264 (0.04) | -2.268 (0.1) | -2.264 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.638 (0.05) | -3.777 (0.09) | -3.638 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 16.48 (0.006) | 16.48 (0.006) | |||
| g magnitude | 16.66 (0.004) | 16.66 (0.004) | |||
| r magnitude | 17.09 (0.006) | 17.09 (0.006) | |||
| i magnitude | 17.39 (0.007) | 17.39 (0.007) | |||
| z magnitude | 17.67 (0.02) | 17.67 (0.02) | |||
| G magnitude | 16.88 (0.003) | 16.91 (0.001) | 16.88 (0.003) | ||
| BP magnitude | 16.78 (0.006) | 16.74 (0.006) | |||
| RP magnitude | 17.09 (0.008) | 17.08 (0.005) | |||
| Pan g magnitude | 16.75 (0.004) | ||||
| Pan r magnitude | 17.10 (0.005) | ||||
| Pan i magnitude | 17.40 (0.005) | ||||
| Pan z magnitude | 17.66 (0.008) | ||||
| Pan y magnitude | 17.78 (0.02) | ||||
| E(B-V) | 0.123 | ||||
* 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.