All names: SDSS J082517.99+113106.3, SDSS J082517.99+113106.2, UCAC4 508-047825, 2MASS J08251803+1131062, GALEX J082517.9+113107, Gaia DR3 601188910547673728, TIC 366399746, LAMOST J082517.99+113106.3, Gaia DR2 601188910547673728, LAMOSTJ082517.99+113106.3
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 25 17.99 | 08 25 17.99 (0.02) | ||
| Declination | 11 31 06.30 | 11 31 06.31 (0.02) | ||
| Spectral type | sdB+MS | sdB | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.69 (0.05) | 0.69 (0.03) | |
| Distance | [pc] | 1445.30 (105) | 1442.79 (56) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.017 (0.09) | -5.058 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.797 (0.05) | -0.694 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.58 (0.03) | |||
| V magnitude | 14.38 (0.06) | |||
| R magnitude | 14.77 (0.3) | |||
| I magnitude | ||||
| J magnitude | 14.01 (0.06) | |||
| H magnitude | 13.66 (0.06) | |||
| K magnitude | 13.60 (0.07) | |||
| u magnitude | 14.77 (0.004) | 14.76 (0.004) | ||
| g magnitude | 14.66 (0.003) | 14.38 (0.02) | ||
| r magnitude | 14.75 (0.004) | 14.34 (0.06) | ||
| i magnitude | 14.79 (0.004) | 14.33 (0.07) | ||
| z magnitude | 14.90 (0.004) | 14.86 (0.004) | ||
| G magnitude | 14.65 (0.0008) | 14.63 (0.003) | ||
| BP magnitude | 14.67 (0.007) | |||
| RP magnitude | 14.46 (0.004) | |||
| Pan g magnitude | 14.67 (0.006) | |||
| Pan r magnitude | 14.72 (0.005) | |||
| Pan i magnitude | 14.80 (0.001) | |||
| Pan z magnitude | 14.88 (0.002) | |||
| Pan y magnitude | 14.90 (0.004) | |||
| E(B-V) | 0.029 | |||
* 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.