All names: 2MASS J12062441+5709360, UCAC4 736-053875, PG1203+574, PG 1203+574, LAMOST J120624.36+570935.7, LAMOST J120624.41+570936.3, TIC 55753808, Gaia DR3 1575432697534110336, LB 2211, SDSS J120624.41+570936.1, GALEX J120624.3+570935, SDSS J120624.41+570936.0, GALEX J120624.4+570936, SBSS 1203+574, LAMOST J120624.41+570936.0, Gaia DR2 1575432697534110336
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 06 24.43 | 12 06 24.42 (0.02) | ||
| Declination | 57 09 37.10 | 57 09 36.15 (0.03) | ||
| Spectral type | sdB | sdOBHe9 | ||
| Effective temperature | [K] | 33620.0 (390) | ||
| log(g) | [cgs] | 5.90 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.89 (0.05) | 0.84 (0.04) | |
| Distance | [pc] | 1129.82 (69) | 1184.41 (50) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -7.475 (0.07) | -7.664 (0.03) | |
| Proper motion (declination) | [mas/yr] | -16.922 (0.07) | -16.858 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.55 (0.01) | |||
| V magnitude | 14.87 | |||
| R magnitude | 15.35 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.58 (0.06) | 15.58 (0.06) | ||
| H magnitude | 15.69 (0.1) | 15.69 (0.1) | ||
| K magnitude | 15.74 (0.2) | 15.74 (0.2) | ||
| u magnitude | 14.25 (0.003) | 14.25 (0.003) | ||
| g magnitude | 14.54 (0.003) | 14.54 (0.003) | ||
| r magnitude | 15.07 (0.003) | 15.07 (0.003) | ||
| i magnitude | 15.47 (0.003) | 15.47 (0.003) | ||
| z magnitude | 15.81 (0.006) | 15.81 (0.006) | ||
| G magnitude | 14.85 (0.0006) | 14.83 (0.003) | ||
| BP magnitude | 14.61 (0.008) | |||
| RP magnitude | 15.15 (0.003) | |||
| Pan g magnitude | 14.63 (0.004) | |||
| Pan r magnitude | 15.10 (0.004) | |||
| Pan i magnitude | 15.49 (0.002) | |||
| Pan z magnitude | 15.78 (0.003) | |||
| Pan y magnitude | 15.98 (0.006) | |||
| E(B-V) | 0.020 | |||
* 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.