All names: SDSS J085950.51+215423.9, Gaia EDR3 685108242184109056, Gaia DR3 685108242184109056, Gaia DR2 685108242184109056, GALEX J085950.5+215424, SDSS J085950.50+215424.0, SDSS J085950.51+215423.90, SDSS J085950.49+215424.0
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 08 59 50.51 (0.3) | 08 59 50.50 | 08 59 50.51 (0.4) | 08 59 50.50 (0.3) | |||
| Declination | 21 54 23.84 (0.2) | 21 54 24.07 | 21 54 23.85 (0.3) | 21 54 24.20 (0.2) | |||
| Spectral type | DA+M4 | DA | |||||
| Effective temperature | [K] | 25891.0 (503) | |||||
| log(g) | [cgs] | 8.06 (0.07) | |||||
| Mass | [M☉] | 0.665 (0.04) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 1.86 (0.3) | 2.19 (0.4) | 1.86 (0.3) | |||
| Distance | [pc] | 538.78 (96) | 456.70 (88) | 538.76 (96) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 9.280034939 (0.4) | 8.933576151 (0.7) | 9.28 (0.4) | |||
| Proper motion (declination) | [mas/yr] | -22.60061249 (0.3) | -23.05909448 (0.5) | -22.601 (0.3) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 18.94 (0.02) | 18.97 (0.02) | 18.94 (0.02) | ||||
| g magnitude | 18.82 (0.008) | 18.91 (0.02) | 18.82 (0.008) | ||||
| r magnitude | 19.10 (0.01) | 19.25 (0.02) | 19.10 (0.01) | ||||
| i magnitude | 19.26 (0.02) | 19.47 (0.2) | 19.26 (0.02) | ||||
| z magnitude | 19.91 (0.1) | 20.06 (1) | 19.91 (0.1) | ||||
| G magnitude | 19.15 (0.02) | 19.17 | 19.15 (0.004) | ||||
| BP magnitude | 18.93 (0.02) | 18.80 | |||||
| RP magnitude | 17.94 (0.03) | 17.88 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.030 | ||||||
* 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.