All names: Gaia DR3 5071234015722219776, 2MASS J03035396-2848500, EC03017-2900, Ton S 314, Gaia DR2 5071234015722219776, GALEX J030353.9-284849, EC 03017-2900, TIC 88417452, UCAC4 306-003052
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 03 53.93 | 03 03 53.96 (0.02) | ||
| Declination | -28 48 49.97 | -28 48 50.10 (0.03) | ||
| Spectral type | sdB | sdB/B | ||
| 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] | 0.40 (0.05) | 0.29 (0.04) | |
| Distance | [pc] | 2474.63 (307) | 3411.80 (421) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 18.084 (0.08) | 18.159 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.909 (0.09) | -1.112 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.28 (0.03) | |||
| V magnitude | 15.40 (0.03) | |||
| R magnitude | 15.66 (0.04) | |||
| I magnitude | ||||
| J magnitude | 15.70 (0.07) | 15.70 (0.07) | ||
| H magnitude | 15.66 (0.1) | 15.66 (0.1) | ||
| K magnitude | 15.60 | |||
| u magnitude | ||||
| g magnitude | 15.21 (0.02) | |||
| r magnitude | 15.50 (0.03) | |||
| i magnitude | 15.64 (0.01) | |||
| z magnitude | ||||
| G magnitude | 15.35 (0.0005) | 15.33 (0.003) | ||
| BP magnitude | 15.21 (0.005) | |||
| RP magnitude | 15.46 (0.003) | |||
| Pan g magnitude | 15.19 (0.001) | |||
| Pan r magnitude | 15.52 (0.002) | |||
| Pan i magnitude | 15.81 (0.003) | |||
| Pan z magnitude | 16.02 (0.004) | |||
| Pan y magnitude | 16.14 (0.004) | |||
| E(B-V) | 0.010 | |||
* 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.