All names: Gaia EDR3 184468780942344960, Gaia DR3 184468780942344960, Gaia DR2 184468780942344960, LAMOST J052130.82+372146.2, 2MASS J05213081+3721463, LAMOSTJ052130.82+372146.2, UCAC4 637-024662, TIC 143639859, Lan 8
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 05 21 30.82 (0.03) | 05 21 30.82 | 05 21 30.82 (0.03) | ||
| Declination | 37 21 46.25 (0.02) | 37 21 46.25 | 37 21 46.37 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 26600.0 (300) | |||
| log(g) | [cgs] | 5.72 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.50 (0.03) | 1.51 (0.06) | 1.50 (0.03) | |
| Distance | [pc] | 666.84 (15) | 664.10 (25) | 666.84 (15) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.051 (0.04) | -0.231 (0.1) | 0.051 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.851 (0.03) | -7.737 (0.07) | -7.851 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.19 (0.02) | ||||
| V magnitude | 14.29 (0.07) | ||||
| R magnitude | 14.52 (0.07) | ||||
| I magnitude | |||||
| J magnitude | 14.61 | ||||
| H magnitude | 14.63 (0.06) | 14.63 (0.06) | |||
| K magnitude | 14.82 | ||||
| u magnitude | |||||
| g magnitude | 14.12 (0.02) | ||||
| r magnitude | 14.44 (0.04) | ||||
| i magnitude | 14.67 (0.03) | ||||
| z magnitude | |||||
| G magnitude | 14.26 (0.003) | 14.28 (0.0008) | 14.26 (0.003) | ||
| BP magnitude | 14.19 (0.003) | 14.14 (0.009) | |||
| RP magnitude | 14.38 (0.004) | 14.38 (0.004) | |||
| Pan g magnitude | 14.15 (0.002) | ||||
| Pan r magnitude | 14.46 (0.003) | ||||
| Pan i magnitude | 14.73 (0.002) | ||||
| Pan z magnitude | 14.94 (0.002) | ||||
| Pan y magnitude | 15.06 (0.003) | ||||
| E(B-V) | 0.196 | ||||
* 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.