All names: 2MASS J14460103+4830576, PG1444+487, SDSS J144601.02+483057.7, Gaia DR3 1591482165686555520, TIC 161001705, CBS 284, UCAC4 693-055084, PG 1444+487, GALEX J144601.0+483056, Gaia DR2 1591482165686059136, UCAC2 47912130
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 46 01.11 | 14 46 01.03 (0.3) | ||
| Declination | 48 30 58.34 | 48 30 57.77 (0.3) | ||
| Spectral type | sdB | 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] | 0.07 (0.4) | 0.07 (0.4) | |
| Distance | [pc] | 14409.22 (84234) | 14409.22 (84234) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -14.381 (0.6) | -15.008 (0.3) | |
| Proper motion (declination) | [mas/yr] | -7.218 (0.6) | -7.436 (0.4) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.68 (0) | |||
| V magnitude | 15.64 (0.1) | |||
| R magnitude | 15.77 (0.09) | |||
| I magnitude | ||||
| J magnitude | 15.52 (0.06) | 15.52 (0.06) | ||
| H magnitude | 15.46 (0.1) | 15.46 (0.1) | ||
| K magnitude | 15.05 (0.2) | 15.05 (0.2) | ||
| u magnitude | 15.78 (0.005) | 15.78 (0.005) | ||
| g magnitude | 15.55 (0.003) | 15.55 (0.003) | ||
| r magnitude | 15.81 (0.004) | 15.81 (0.004) | ||
| i magnitude | 15.95 (0.004) | 15.95 (0.004) | ||
| z magnitude | 16.15 (0.008) | 16.15 (0.008) | ||
| G magnitude | 15.70 (0.001) | 15.73 (0.003) | ||
| BP magnitude | 15.62 (0.005) | |||
| RP magnitude | 15.68 (0.003) | |||
| Pan g magnitude | 15.61 (0.002) | |||
| Pan r magnitude | 15.82 (0.002) | |||
| Pan i magnitude | 16.01 (0.002) | |||
| Pan z magnitude | 16.17 (0.004) | |||
| Pan y magnitude | 16.24 (0.004) | |||
| E(B-V) | 0.021 | |||
* 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.