All names: Ton S 415, 2MASS J05175653-3047497, CSI-30-05159, SOPS III a-38, Gaia DR2 4827575749313476096, Gaia EDR3 4827575749313476096, EC 05160-3051, GALEX J051756.6-304748, TIC 77959296, UBV M 43227, Gaia DR3 4827575749313476096, EC 05160-3050, WISEA J051756.54-304749.4, WISE J051756.54-304749.5, UCAC2 18820166, GEN# +6.10080415, UBV 5066, GALEXJ05179-3047, UCAC4 297-006410
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 05 17 56.54 (0.02) | 05 17 56.61 | 05 17 56.53 (0.02) | ||
| Declination | -30 47 49.44 (0.03) | -30 47 48.56 | -30 47 49.64 (0.03) | ||
| Spectral type | He-sdO | sdO8VIIHe30 | |||
| 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] | 1.87 (0.03) | 1.92 (0.03) | 1.87 (0.03) | |
| Distance | [pc] | 534.25 (9) | 521.21 (9) | 534.25 (9) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 9.245 (0.03) | 9.203 (0.05) | 9.245 (0.03) | |
| Proper motion (declination) | [mas/yr] | 12.623 (0.03) | 12.774 (0.06) | 12.623 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.08 (0.03) | ||||
| V magnitude | 13.34 (0.03) | ||||
| R magnitude | 13.67 (0.06) | ||||
| I magnitude | |||||
| J magnitude | 14.10 (0.03) | 14.10 (0.03) | |||
| H magnitude | 14.30 (0.04) | 14.30 (0.04) | |||
| K magnitude | 14.28 (0.08) | 14.28 (0.08) | |||
| u magnitude | |||||
| g magnitude | 13.10 (0.02) | ||||
| r magnitude | 13.60 (0.03) | ||||
| i magnitude | 13.95 (0.2) | ||||
| z magnitude | |||||
| G magnitude | 13.32 (0.003) | 13.33 (0.0006) | 13.32 (0.003) | ||
| BP magnitude | 13.15 (0.003) | 13.08 (0.006) | |||
| RP magnitude | 13.65 (0.004) | 13.65 (0.002) | |||
| Pan g magnitude | 13.21 | ||||
| Pan r magnitude | 13.60 (0.001) | ||||
| Pan i magnitude | 14.00 (0.003) | ||||
| Pan z magnitude | 14.29 (0.008) | ||||
| Pan y magnitude | 14.45 (0.004) | ||||
| E(B-V) | 0.009 | ||||
* 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.