All names: UCAC4 543-040297, Gaia DR3 3363070035424348800, Gaia DR2 3363070035424348800, Gaia EDR3 3363070035424348800, LAMOSTJ071305.31+182503.9, GALEX J071305.3+182504, 2MASS J07130529+1825040, LAMOST J071305.31+182503.9
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 13 05.32 (0.05) | 07 13 05.32 | 07 13 05.32 (0.05) | ||
| Declination | 18 25 03.98 (0.04) | 18 25 03.95 | 18 25 03.98 (0.04) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 27780.0 (179) | |||
| log(g) | [cgs] | 5.70 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.72 (0.06) | 0.61 (0.08) | 0.72 (0.06) | |
| Distance | [pc] | 1392.37 (108) | 1647.45 (223) | 1392.37 (108) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.283 (0.06) | 3.16 (0.1) | 3.283 (0.06) | |
| Proper motion (declination) | [mas/yr] | -0.365 (0.05) | -0.374 (0.1) | -0.365 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.79 (0.04) | ||||
| V magnitude | 15.86 (0.1) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.45 (0.1) | 16.45 (0.1) | |||
| H magnitude | 15.75 | ||||
| K magnitude | 16.75 | ||||
| u magnitude | |||||
| g magnitude | 15.68 (0.04) | ||||
| r magnitude | 16.09 (0.1) | ||||
| i magnitude | 15.90 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 15.83 (0.003) | 15.85 (0.001) | 15.83 (0.003) | ||
| BP magnitude | 15.75 (0.005) | 15.71 (0.01) | |||
| RP magnitude | 15.97 (0.006) | 15.96 (0.004) | |||
| Pan g magnitude | 15.69 (0.001) | ||||
| Pan r magnitude | 16.02 (0.001) | ||||
| Pan i magnitude | 16.29 (0.003) | ||||
| Pan z magnitude | 16.53 (0.009) | ||||
| Pan y magnitude | 16.71 (0.01) | ||||
| E(B-V) | 0.055 | ||||
* 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.