All names: GALEX J032304.1-294530, UCAC4 302-003457, 2MASS J03230415-2945302, Gaia DR2 5059804115612541568, Ton S 345, Gaia EDR3 5059804115612541568, Gaia DR3 5059804115612541568, TIC 144522026, UCAC2 19310090, PHL 1523, GALEXJ03230-2945
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 03 23 04.16 (0.02) | 03 23 04.14 | 03 23 04.15 (0.02) | ||
| Declination | -29 45 30.37 (0.02) | -29 45 30.47 | -29 45 30.26 (0.02) | ||
| Spectral type | sdB+MS | 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] | 0.66 (0.03) | 0.73 (0.04) | 0.66 (0.03) | |
| Distance | [pc] | 1512.63 (78) | 1369.86 (82) | 1512.63 (78) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.758 (0.03) | 3.812 (0.05) | 3.758 (0.03) | |
| Proper motion (declination) | [mas/yr] | -7.104 (0.03) | -6.929 (0.06) | -7.104 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.52 (0.04) | ||||
| V magnitude | 14.74 (0.05) | ||||
| R magnitude | 15.19 (0.03) | ||||
| I magnitude | |||||
| J magnitude | 15.46 (0.06) | 15.46 (0.06) | |||
| H magnitude | 15.71 (0.1) | 15.71 (0.1) | |||
| K magnitude | 15.80 (0.3) | 15.80 (0.3) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.69 (0.003) | 14.70 (0.0006) | 14.69 (0.003) | ||
| BP magnitude | 14.53 (0.003) | 14.44 (0.008) | |||
| RP magnitude | 15.01 (0.004) | 15.00 (0.002) | |||
| Pan g magnitude | 14.55 (0.007) | ||||
| Pan r magnitude | 14.98 (0.0009) | ||||
| Pan i magnitude | 15.35 (0.005) | ||||
| Pan z magnitude | 15.63 (0.002) | ||||
| Pan y magnitude | 15.81 (0.006) | ||||
| 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.