All names: SDSS J032942.79+053755.8, Gaia EDR3 3275734280638754688, WIRED J032942.79+053755.8, GALEX J032942.8+053756, LAMOST J032942.79+053755.8, Gaia DR2 3275734280638754688, LAMOST J032942.85+053756.4, Gaia DR3 3275734280638754688
| Parameter | Unit | Gaia EDR3 | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|
| Right ascension | 03 29 42.82 (0.07) | 03 29 42.82 | 03 29 42.78 (0.07) | ||
| Declination | 05 37 55.43 (0.06) | 05 37 55.43 | 05 37 56.12 (0.06) | ||
| Spectral type | DA | DA | DA2 | ||
| Effective temperature | [K] | 19517.0 (609) | 17270.0 (464) | ||
| log(g) | [cgs] | 8.03 (0.1) | 7.95 (0.03) | ||
| Mass | [M☉] | 0.64 (0.06) | 0.591 (0.02) | ||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 6.38 (0.08) | 6.38 | 6.38 (0.08) | |
| Distance | [pc] | 156.84 (2) | 156.84 | 156.84 (2) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 36.803 (0.1) | 36.803 (0.1) | ||
| Proper motion (declination) | [mas/yr] | -42.959 (0.07) | -42.959 (0.07) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 17.37 (0.03) | ||||
| H magnitude | 17.37 (0.05) | ||||
| K magnitude | 17.39 (0.1) | ||||
| u magnitude | 17.03 (0.008) | ||||
| g magnitude | 16.84 (0.004) | ||||
| r magnitude | 17.14 (0.005) | ||||
| i magnitude | 17.43 (0.006) | ||||
| z magnitude | 17.70 (0.02) | ||||
| G magnitude | 17.00 (0.003) | 17.00 | 17.00 (0.003) | ||
| BP magnitude | 16.96 (0.008) | ||||
| RP magnitude | 17.14 (0.01) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | |||||
* 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.