All names: 2MASS J00232719+5107497, UCAC4 706-003325, Gaia DR2 394843322846749824, LAMOST J002327.19+510749.6, LAMOSTJ002327.19+510749.9, Gaia DR3 394843322846749824
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 23 27.19 | 00 23 27.19 (0.03) | ||
| Declination | 51 07 49.67 | 51 07 49.91 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 26610.0 (170) | ||
| log(g) | [cgs] | 5.42 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.70 (0.07) | 0.57 (0.04) | |
| Distance | [pc] | 1433.49 (148) | 1760.87 (130) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.917 (0.08) | -2.703 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.311 (0.06) | -2.361 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.18 (0.05) | |||
| V magnitude | 16.32 (0.01) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.30 (0.1) | 16.30 (0.1) | ||
| H magnitude | 16.14 | |||
| K magnitude | 15.97 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.95 (0.001) | 15.93 (0.003) | ||
| BP magnitude | 15.82 (0.005) | |||
| RP magnitude | 16.05 (0.006) | |||
| Pan g magnitude | 15.84 (0.004) | |||
| Pan r magnitude | 16.11 (0.003) | |||
| Pan i magnitude | 16.39 (0.004) | |||
| Pan z magnitude | 16.61 (0.005) | |||
| Pan y magnitude | 16.76 (0.007) | |||
| E(B-V) | 0.139 | |||
* 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.