All names: WDJ215211.62-633236.43, Gaia DR2 6402648970968695424, LEHPM 4257, Gaia DR3 6402648970968695424, Gaia EDR3 6402648970968695424, LTT 8729, TIC 238815671, EC 21484-6346, 2MASS J21521159-6332367, GALEX J215211.6-633237
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 21 52 11.93 (0.02) | 21 52 11.92 | 21 52 11.93 | 21 52 11.62 (0.02) | 21 52 11.92 | ||
| Declination | -63 32 39.87 (0.03) | -63 32 39.76 | -63 32 39.87 | -63 32 36.43 (0.03) | -63 32 39.76 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 11464.0 (81) | |||||
| log(g) | [cgs] | 7.93 (0.009) | |||||
| Mass | [M☉] | 0.567 (0.007) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 13.11 (0.04) | 13.05 (0.07) | 13.11 | 13.11 (0.04) | 13.05 (0.07) | |
| Distance | [pc] | 76.27 (0.2) | 76.65 (0.4) | 76.27 | 76.27 (0.2) | 76.65 (0.4) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 127.5080892 (0.03) | 127.518114 (0.08) | 127.508 (0.03) | 127.518114 | ||
| Proper motion (declination) | [mas/yr] | -215.0648966 (0.04) | -214.9130006 (0.09) | -215.065 (0.04) | -214.9130006 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 16.22 | ||||||
| V magnitude | 16.03 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.17 (0.1) | ||||||
| H magnitude | 15.82 (0.2) | ||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 16.10 (0.003) | 16.12 | 16.10 | 16.10 (0.003) | 16.12 | ||
| BP magnitude | 16.12 (0.003) | 16.11 | 16.11 | ||||
| RP magnitude | 16.10 (0.005) | 16.11 | 16.11 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.004 | ||||||
* 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.