All names: SDSS J083812.25+320835.7, Gaia DR3 709798939720824192, SDSS J083812.26+320835.7, Gaia EDR3 709798939720824192, WDJ083812.26+320835.51, Gaia DR2 709798939720824192
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 38 12.26 (0.3) | 08 38 12.26 | 08 38 12.26 | 08 38 12.26 (0.3) | 08 38 12.26 | |||
| Declination | 32 08 36.37 (0.2) | 32 08 36.34 | 32 08 36.37 | 32 08 35.52 (0.2) | 32 08 36.34 | |||
| Spectral type | DA | DA | ||||||
| Effective temperature | [K] | 4876.0 (107) | ||||||
| log(g) | [cgs] | 8.02 (0.07) | ||||||
| Mass | [M☉] | 0.594 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 11.60 (0.4) | 11.89 (0.6) | 11.60 | 11.60 (0.4) | 11.89 (0.6) | ||
| Distance | [pc] | 86.24 (3) | 84.11 (4) | 86.24 | 86.24 (3) | 84.11 (4) | ||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -4.527900081 (0.4) | -3.495857855 (0.9) | -4.528 (0.4) | -3.495857855 | |||
| Proper motion (declination) | [mas/yr] | 53.32484475 (0.3) | 53.63125456 (0.5) | 53.325 (0.3) | 53.63125456 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 22.14 (0.2) | 22.49 (0.3) | ||||||
| g magnitude | 20.46 (0.02) | 20.48 (0.02) | ||||||
| r magnitude | 19.65 (0.02) | 19.64 (0.02) | ||||||
| i magnitude | 19.35 (0.02) | 19.36 (0.02) | ||||||
| z magnitude | 19.38 (0.07) | 19.30 (0.08) | ||||||
| G magnitude | 19.70 (0.05) | 19.75 | 19.70 | 19.70 (0.004) | 19.75 | |||
| BP magnitude | 20.27 (0.05) | 20.41 | 20.41 | |||||
| RP magnitude | 19.11 (0.04) | 19.12 | 19.12 | |||||
| Pan g magnitude | 20.37 (0.05) | |||||||
| Pan r magnitude | 19.69 (0.02) | |||||||
| Pan i magnitude | 19.39 (0.009) | |||||||
| Pan z magnitude | 19.29 (0.01) | |||||||
| Pan y magnitude | 19.22 (0.06) | |||||||
| E(B-V) | 0.003 | |||||||
* 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.