All names: SDSS J235814.92-101922.8, TIC 9789317, GALEX J235815.0-101922, 2MASS J23581493-1019229, GD 1330, Gaia DR2 2422872385470546432, UCAC3 160-301362, SDSSJ235814.92-101922.8, Gaia DR3 2422872385470546432
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 58 14.93 | 23 58 14.93 (0.05) | ||
| Declination | -10 19 22.89 | -10 19 22.78 (0.03) | ||
| Spectral type | sd | sd+G/K | ||
| 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] | 0.36 (0.1) | 0.47 (0.06) | |
| Distance | [pc] | 2797.20 (888) | 2125.85 (280) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.942 (0.1) | 5.473 (0.07) | |
| Proper motion (declination) | [mas/yr] | -5.664 (0.1) | -5.627 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 16.26 (0.3) | |||
| I magnitude | ||||
| J magnitude | 15.83 (0.07) | 15.83 (0.07) | ||
| H magnitude | 15.75 (0.1) | 15.75 (0.1) | ||
| K magnitude | 15.72 | |||
| u magnitude | 15.04 (0.004) | 15.01 (0.03) | ||
| g magnitude | 15.29 (0.003) | 15.30 (0.02) | ||
| r magnitude | 15.74 (0.004) | 15.74 (0.02) | ||
| i magnitude | 16.01 (0.004) | 16.00 (0.01) | ||
| z magnitude | 16.24 (0.008) | 16.23 (0.01) | ||
| G magnitude | 15.52 (0.0007) | 15.51 (0.003) | ||
| BP magnitude | 15.34 (0.005) | |||
| RP magnitude | 15.70 (0.003) | |||
| Pan g magnitude | 15.36 (0.006) | |||
| Pan r magnitude | 15.74 (0.004) | |||
| Pan i magnitude | 16.03 (0.004) | |||
| Pan z magnitude | 16.26 (0.004) | |||
| Pan y magnitude | 16.38 (0.006) | |||
| E(B-V) | 0.015 | |||
* 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.