All names: Gaia DR2 1680503506153120128, TIC 147680069, Gaia DR3 1680503506153120128, 2MASS J12344768+6546008, SDSS J123447.68+654600.9, SDSSJ123447.69+654600.9, SDSS J123447.69+654600.9
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 34 47.69 | 12 34 47.69 (0.02) | ||
| Declination | 65 46 00.95 | 65 46 00.98 (0.03) | ||
| Spectral type | sdB+MS | sdB+? | ||
| 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] | 0.17 (0.04) | 0.23 (0.03) | |
| Distance | [pc] | 6038.65 (1601) | 4282.66 (539) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.636 (0.07) | -1.705 (0.03) | |
| Proper motion (declination) | [mas/yr] | -8.871 (0.07) | -8.903 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.41 (0.06) | 15.41 (0.06) | ||
| H magnitude | 15.08 (0.09) | 15.08 (0.09) | ||
| K magnitude | 15.09 (0.1) | 15.09 (0.1) | ||
| u magnitude | 16.30 (0.006) | 16.30 (0.006) | ||
| g magnitude | 15.89 (0.003) | 15.89 (0.003) | ||
| r magnitude | 15.91 (0.004) | 15.91 (0.004) | ||
| i magnitude | 15.94 (0.004) | 15.94 (0.004) | ||
| z magnitude | 16.02 (0.007) | 16.02 (0.007) | ||
| G magnitude | 15.85 (0.0008) | 15.83 (0.003) | ||
| BP magnitude | 15.94 (0.005) | |||
| RP magnitude | 15.63 (0.003) | |||
| Pan g magnitude | 15.91 (0.004) | |||
| Pan r magnitude | 15.91 (0.004) | |||
| Pan i magnitude | 15.96 (0.003) | |||
| Pan z magnitude | 16.04 (0.004) | |||
| Pan y magnitude | 16.06 (0.006) | |||
| E(B-V) | 0.019 | |||
* 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.