All names: PG 0055+016, 2MASS J00582466+0154350, WISEA J005824.66+015435.1, GALEX J005824.6+015434, LAMOST J005824.66+015435.0, SDSS J005824.66+015435.0, Gaia DR2 2537690089791382656, Gaia EDR3 2537690089791382656, Gaia DR3 2537690089791382656, TIC 344655324, Balloon 94700001, HS 0055+0138, PG0055+016, UCAC2 32304180, UCAC4 460-001268, WISE J005824.65+015434.9
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 58 24.67 (0.05) | 00 58 24.64 | 00 58 24.67 (0.05) | ||
| Declination | 01 54 35.11 (0.03) | 01 54 35.51 | 01 54 35.14 (0.03) | ||
| Spectral type | sdB | sdBO | |||
| Effective temperature | [K] | 32350.0 (450) | |||
| log(g) | [cgs] | 5.71 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.76 (0.05) | 0.93 (0.07) | 0.76 (0.05) | |
| Distance | [pc] | 1307.70 (86) | 1075.04 (77) | 1307.70 (86) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 1.926 (0.07) | 1.825 (0.2) | 1.926 (0.07) | |
| Proper motion (declination) | [mas/yr] | -1.856 (0.05) | -1.622 (0.08) | -1.856 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.94 (0.05) | ||||
| V magnitude | 15.10 (0.04) | ||||
| R magnitude | 15.44 (0.3) | ||||
| I magnitude | |||||
| J magnitude | 15.84 (0.06) | 15.84 (0.06) | |||
| H magnitude | 15.96 (0.1) | 15.96 (0.1) | |||
| K magnitude | 16.10 | ||||
| u magnitude | 14.51 (0.004) | 14.51 (0.004) | |||
| g magnitude | 14.80 (0.003) | 14.80 (0.003) | |||
| r magnitude | 15.35 (0.004) | 15.35 (0.004) | |||
| i magnitude | 15.70 (0.004) | 15.70 (0.004) | |||
| z magnitude | 16.03 (0.007) | 16.03 (0.007) | |||
| G magnitude | 15.11 (0.003) | 15.13 (0.0008) | 15.11 (0.003) | ||
| BP magnitude | 14.95 (0.003) | 14.90 (0.006) | |||
| RP magnitude | 15.41 (0.005) | 15.41 (0.002) | |||
| Pan g magnitude | 14.93 (0.004) | ||||
| Pan r magnitude | 15.36 (0.006) | ||||
| Pan i magnitude | 15.75 (0.002) | ||||
| Pan z magnitude | 16.02 (0.004) | ||||
| Pan y magnitude | 16.21 (0.003) | ||||
| E(B-V) | 0.025 | ||||
* 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.