All names: Gaia EDR3 1744102076201595904, Gaia DR2 1744102076201595904, Gaia DR3 1744102076201595904, WDJ210515.03+090057.57, SDSS J210515.02+090057.4
| Parameter | Unit | Gaia EDR3 | Kilic et al. 2025 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 21 05 14.84 (0.3) | 21 05 14.84 | 21 05 15.03 (0.3) | 21 05 14.85 | |||
| Declination | 09 00 55.43 (0.2) | 09 00 55.43 | 09 00 57.57 (0.2) | 09 00 55.50 | |||
| Spectral type | DZH | DA | DA | ||||
| Effective temperature | [K] | 4427.0 (31) | 4476.0 (115) | ||||
| log(g) | [cgs] | 7.71 (0.04) | 7.75 (0.08) | ||||
| Mass | [M☉] | 0.408 (0.03) | 0.433 (0.06) | ||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | -8.99 | ||||||
| log(Ca/H) | |||||||
| log(C/H) | |||||||
| log(N/H) | |||||||
| log(O/H) | |||||||
| log(Na/H) | |||||||
| log(Mg/H) | |||||||
| log(Al/H) | |||||||
| log(Si/H) | |||||||
| log(P/H) | |||||||
| log(S/H) | |||||||
| log(Sc/H) | |||||||
| log(Ti/H) | |||||||
| log(Cr/H) | |||||||
| log(Mn/H) | |||||||
| log(Fe/H) | |||||||
| log(Ni/H) | |||||||
| Parallax | [mas] | 12.13 (0.4) | 12.13 | 12.13 (0.4) | 11.63 (0.7) | ||
| Distance | [pc] | 82.44 (3) | 82.44 | 82.44 (3) | 85.99 (5) | ||
| Composition | H | ||||||
| Proper motion (right ascension) | [mas/yr] | -170.4923104 (0.4) | -170.492 (0.4) | -170.8341799 | |||
| Proper motion (declination) | [mas/yr] | -133.5535031 (0.3) | -133.554 (0.3) | -133.6234418 | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 22.68 (0.4) | ||||||
| g magnitude | 20.59 (0.03) | ||||||
| r magnitude | 19.67 (0.02) | ||||||
| i magnitude | 19.29 (0.02) | ||||||
| z magnitude | 19.12 (0.06) | ||||||
| G magnitude | 19.70 (0.05) | 19.70 | 19.70 (0.004) | 19.75 | |||
| BP magnitude | 20.26 (0.05) | 20.15 | |||||
| RP magnitude | 18.94 (0.03) | 18.94 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.007 | ||||||
* 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.