All names: LAMOST J052147.24+283532.50, LAMOST J052147.24+283532.5, Gaia EDR3 3445625521667557504, Lan 636, Gaia DR2 3445625521667557504, LAMOST J052147.23+283532.4, Gaia DR3 3445625521667557504, SDSS J052147.22+283532.6
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Zhao et al. 2013 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 05 21 47.25 (0.1) | 05 21 47.24 | 05 21 47.25 | 05 21 47.22 (0.1) | |||
| Declination | 28 35 32.29 (0.07) | 28 35 32.50 | 28 35 32.29 | 28 35 32.92 (0.07) | |||
| Spectral type | DA | DA | DA3 | ||||
| Effective temperature | [K] | 18399.0 (444) | 18917.0 (466) | 10758.0 (237) | |||
| log(g) | [cgs] | 7.94 (0.09) | 7.81 (0.09) | 8.08 (0.04) | |||
| Mass | [M☉] | 0.59 (0.05) | 0.52 (0.05) | 0.648 (0.03) | |||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | 0.0590 (0.02) | |||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 7.76 (0.1) | 7.76 | 7.76 (0.1) | |||
| Distance | [pc] | 128.93 (2) | 108.00 | 128.93 | 128.93 (2) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 24.748 (0.1) | 24.748 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -39.769 (0.09) | -39.769 (0.09) | ||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 18.50 | ||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 17.98 (0.01) | ||||||
| g magnitude | 17.50 | 17.55 (0.005) | |||||
| r magnitude | 17.73 | 17.68 (0.006) | |||||
| i magnitude | 17.86 | 17.84 (0.008) | |||||
| z magnitude | 18.21 (0.02) | ||||||
| G magnitude | 17.60 (0.003) | 17.60 | 17.60 (0.003) | ||||
| BP magnitude | 17.64 (0.01) | ||||||
| RP magnitude | 17.56 (0.02) | ||||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.005 | ||||||
* 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.