All names: UCAC2 33690567, UCAC4 479-004819, HIDDEN NAME PG 0319+054, WISEA J032138.67+053839.9, LAMOST J032138.67+053839.9, 2MASS J03213867+0538402, GALEX J032138.6+053839, SDSS J032138.68+053840.0, Gaia DR2 9132341717393792, Gaia DR3 9132341717393792, TIC 343828974, PG 0319+055, SDSS J032138.67+053840.0, PG0319+054, WISE J032138.66+053839.9, LAMOST J032138.67+053840.0
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 21 38.67 | 03 21 38.67 (0.03) | ||
| Declination | 05 38 40.68 | 05 38 40.15 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 30700.0 (500) | ||
| log(g) | [cgs] | 5.74 (0.06) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.20 (0.07) | 1.16 (0.04) | |
| Distance | [pc] | 835.35 (50) | 861.92 (31) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.701 (0.1) | 4.548 (0.05) | |
| Proper motion (declination) | [mas/yr] | -5.795 (0.1) | -6.066 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.02 (0.08) | |||
| V magnitude | 15.05 (0.04) | |||
| R magnitude | 15.16 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.15 (0.05) | 15.15 (0.05) | ||
| H magnitude | 15.40 (0.1) | 15.40 (0.1) | ||
| K magnitude | 15.32 (0.2) | 15.32 (0.2) | ||
| u magnitude | 14.85 (0.004) | 14.85 (0.004) | ||
| g magnitude | 14.86 (0.004) | 14.86 (0.004) | ||
| r magnitude | 15.14 (0.005) | 15.14 (0.005) | ||
| i magnitude | 15.36 (0.005) | 15.36 (0.005) | ||
| z magnitude | 15.58 (0.007) | 15.58 (0.007) | ||
| G magnitude | 14.99 (0.001) | 14.97 (0.003) | ||
| BP magnitude | 14.89 (0.008) | |||
| RP magnitude | 15.04 (0.005) | |||
| Pan g magnitude | 14.91 (0.002) | |||
| Pan r magnitude | 15.15 (0.002) | |||
| Pan i magnitude | 15.39 (0.002) | |||
| Pan z magnitude | 15.57 (0.005) | |||
| Pan y magnitude | 15.71 (0.007) | |||
| E(B-V) | 0.162 | |||
* 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.