All names: SDSSJ210741.15-065719.6, Gaia DR3 6909349936736654336, Gaia EDR3 6909349936736654336, SDSS J210741.15-065719.6, TIC 35612692, GALEX J210741.1-065720, 2MASS J21074114-0657194, Gaia DR2 6909349936736654336
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 07 41.16 (0.05) | 21 07 41.16 | 21 07 41.16 (0.05) | ||
| Declination | -06 57 19.65 (0.04) | -06 57 19.65 | -06 57 19.69 (0.04) | ||
| Spectral type | sd | sd | |||
| 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] | 0.65 (0.06) | 0.70 (0.1) | 0.65 (0.06) | |
| Distance | [pc] | 1545.60 (143) | 1426.13 (226) | 1545.60 (143) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.128 (0.06) | 3.21 (0.2) | 3.128 (0.06) | |
| Proper motion (declination) | [mas/yr] | 2.021 (0.06) | 1.986 (0.2) | 2.021 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.29 (0.1) | 16.29 (0.1) | |||
| H magnitude | 15.98 (0.2) | 15.98 (0.2) | |||
| K magnitude | 15.99 | ||||
| u magnitude | 15.19 (0.005) | 15.19 (0.005) | |||
| g magnitude | 15.43 (0.004) | 15.43 (0.004) | |||
| r magnitude | 15.86 (0.005) | 15.86 (0.005) | |||
| i magnitude | 16.18 (0.006) | 16.18 (0.006) | |||
| z magnitude | 16.47 (0.01) | 16.47 (0.01) | |||
| G magnitude | 15.63 (0.003) | 15.65 (0.0008) | 15.63 (0.003) | ||
| BP magnitude | 15.52 (0.005) | 15.46 (0.007) | |||
| RP magnitude | 15.86 (0.005) | 15.87 (0.005) | |||
| Pan g magnitude | 15.50 (0.005) | ||||
| Pan r magnitude | 15.88 (0.004) | ||||
| Pan i magnitude | 16.20 (0.002) | ||||
| Pan z magnitude | 16.45 (0.006) | ||||
| Pan y magnitude | 16.62 (0.004) | ||||
| E(B-V) | 0.036 | ||||
* 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.