All names: 2QZ J102131.0-023452, GALEX J102130.9-023452, LP 610-4, NLTT 24115, Gaia EDR3 3782207608845723136, Gaia DR2 3782207608845723136, Gaia DR3 3782207608845723136, SDSS J102130.97-023452.4
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 10 21 30.85 (0.1) | 10 21 30.85 | 10 21 30.98 (0.1) | |||
| Declination | -02 34 54.55 (0.1) | -02 34 54.55 | -02 34 52.45 (0.1) | |||
| Spectral type | DA | DC | DA | |||
| Effective temperature | [K] | 8359.0 (226) | ||||
| log(g) | [cgs] | 7.96 (0.05) | ||||
| Mass | [M☉] | 0.569 (0.04) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 8.03 (0.2) | 8.03 | 8.03 (0.2) | ||
| Distance | [pc] | 124.50 (2) | 124.50 | 124.50 (2) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -114.395 (0.2) | -114.395 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -131.075 (0.1) | -131.075 (0.1) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | 18.20 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 18.72 (0.02) | |||||
| g magnitude | 18.29 (0.007) | |||||
| r magnitude | 18.23 (0.008) | |||||
| i magnitude | 18.29 (0.01) | |||||
| z magnitude | 18.38 (0.04) | |||||
| G magnitude | 18.22 (0.003) | 18.22 | 18.22 (0.003) | |||
| BP magnitude | 18.38 (0.02) | |||||
| RP magnitude | 18.00 (0.02) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.006 | |||||
* 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.