All names: [BGK2006] J145258.42+132736.3, SDSS J145258.42+132736.3, Gaia DR2 1184656128899595520, Gaia DR3 1184656128899595520, GALEX J145258.4+132737, 2MASS J14525840+1327366, SDSS J145258.42+132736.2, TIC 229551275, SDSSJ145258.42+132736.2
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 52 58.43 | 14 52 58.43 (0.04) | ||
| Declination | 13 27 36.29 | 13 27 36.22 (0.05) | ||
| Spectral type | sdB | sdA | ||
| 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 (0.08) | 0.11 (0.05) | |
| Distance | [pc] | 5984.44 (2919) | 8703.22 (3999) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.075 (0.1) | -8.871 (0.06) | |
| Proper motion (declination) | [mas/yr] | -1.904 (0.1) | -2.058 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.45 (0.1) | 16.45 (0.1) | ||
| H magnitude | 16.33 | |||
| K magnitude | 16.40 | |||
| u magnitude | 16.56 (0.007) | 16.56 (0.007) | ||
| g magnitude | 16.02 (0.004) | 16.02 (0.004) | ||
| r magnitude | 16.39 (0.005) | 16.39 (0.005) | ||
| i magnitude | 16.63 (0.006) | 16.63 (0.006) | ||
| z magnitude | 16.86 (0.01) | 16.86 (0.01) | ||
| G magnitude | 16.25 (0.002) | 16.23 (0.003) | ||
| BP magnitude | 16.16 (0.009) | |||
| RP magnitude | 16.32 (0.01) | |||
| Pan g magnitude | 16.10 (0.003) | |||
| Pan r magnitude | 16.40 (0.003) | |||
| Pan i magnitude | 16.67 (0.004) | |||
| Pan z magnitude | 16.85 (0.003) | |||
| Pan y magnitude | 16.93 (0.006) | |||
| E(B-V) | 0.027 | |||
* 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.