All names: 2MASS J10500787-0028380, Gaia DR2 3806247816406884864, Gaia DR3 3806247816406884864, TIC 47377427, GALEX J105007.9-002838, SDSS J105007.88-002838.0, Gaia EDR3 3806247816406884864
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Sayres et al. 2012 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 10 50 07.88 (0.03) | 10 50 07.88 (0.04) | 10 50 07.88 | 10 50 07.89 (0.03) | ||
| Declination | -00 28 39.31 (0.02) | -00 28 39.28 (0.04) | 00 28 38.10 | -00 28 38.08 (0.02) | ||
| Spectral type | sd | 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] | 1.36 (0.03) | 1.31 (0.04) | 1.36 (0.03) | ||
| Distance | [pc] | 735.77 (14) | 764.01 (23) | 735.78 (14) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -10.36563409 (0.03) | -10.37700807 (0.07) | -10.366 (0.03) | ||
| Proper motion (declination) | [mas/yr] | -77.25575673 (0.03) | -77.38835447 (0.06) | -77.256 (0.03) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 13.52 (0.02) | 13.52 (0.02) | ||||
| H magnitude | 13.19 (0.03) | 13.19 (0.03) | ||||
| K magnitude | 13.10 (0.03) | 13.10 (0.03) | ||||
| u magnitude | 17.86 (0.01) | 15.86 (0.005) | ||||
| g magnitude | 16.79 (0.004) | 14.90 (0.003) | ||||
| r magnitude | (0.004) | 14.52 (0.003) | ||||
| i magnitude | 16.19 (0.004) | 14.39 (0.004) | ||||
| z magnitude | 16.15 (0.008) | 14.33 (0.004) | ||||
| G magnitude | 14.53 (0.002) | 14.54 | 14.53 (0.003) | |||
| BP magnitude | 14.84 (0.002) | 14.85 | ||||
| RP magnitude | 14.05 (0.001) | 14.06 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.027 | |||||
* 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.