All names: MCT2349-3135, MCT 2349-3135, 2MASS J23514366-3118527, GALEX J235143.6-311851, PHL 577, TIC 380859297, Gaia EDR3 2326356155272564480, Gaia DR2 2326356155272564480, UCAC4 294-230326, GD 1703, HE 2349-3135, Gaia DR3 2326356155272564480, Ton S 124
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 51 43.66 (0.03) | 23 51 43.63 | 23 51 43.65 (0.03) | ||
| Declination | -31 18 53.01 (0.04) | -31 18 52.89 | -31 18 52.94 (0.04) | ||
| Spectral type | sdB | sdBHe0 | |||
| Effective temperature | [K] | 28520.0 (500) | |||
| log(g) | [cgs] | 5.44 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.50 (0.05) | 0.43 (0.08) | 0.50 (0.05) | |
| Distance | [pc] | 1993.22 (191) | 2304.68 (441) | 1993.22 (191) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 9.594 (0.04) | 9.928 (0.1) | 9.594 (0.04) | |
| Proper motion (declination) | [mas/yr] | -4.198 (0.04) | -3.971 (0.1) | -4.198 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.63 | ||||
| V magnitude | 15.87 (0.01) | ||||
| R magnitude | 16.22 (0.3) | ||||
| I magnitude | |||||
| J magnitude | 16.62 (0.1) | 16.62 (0.1) | |||
| H magnitude | 16.60 (0.3) | 16.60 (0.3) | |||
| K magnitude | 16.36 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.87 (0.003) | 15.88 (0.001) | 15.87 (0.003) | ||
| BP magnitude | 15.72 (0.004) | 15.66 (0.008) | |||
| RP magnitude | 16.13 (0.006) | 16.13 (0.003) | |||
| Pan g magnitude | 15.81 | ||||
| Pan r magnitude | 16.23 | ||||
| Pan i magnitude | 16.46 (0.006) | ||||
| Pan z magnitude | 16.83 | ||||
| Pan y magnitude | 17.03 | ||||
| E(B-V) | 0.007 | ||||
* 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.