All names: GALEX J085119.1+412331, SDSS J085119.10+412331.1, FBS 0848+415, Gaia DR3 912843969612934144, TIC 459018766, PG0848+416, KUV 08480+4135, PG 0848+416, Gaia DR2 912843969612369280, 2MASS J08511910+4123311, FBS B 255, KUV 345-6
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 51 19.09 | 08 51 19.10 (0.04) | ||
| Declination | 41 23 31.35 | 41 23 31.11 (0.03) | ||
| Spectral type | sdB+K1 | sdB+F5 | ||
| 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] | 0.15 (0.07) | 0.19 (0.06) | |
| Distance | [pc] | 6765.90 (3323) | 5154.64 (1687) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.708 (0.1) | 0.88 (0.06) | |
| Proper motion (declination) | [mas/yr] | -3.591 (0.09) | -3.649 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.17 | |||
| V magnitude | 15.90 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.63 (0.07) | 15.63 (0.07) | ||
| H magnitude | 15.39 (0.1) | 15.39 (0.1) | ||
| K magnitude | 15.67 (0.2) | 15.67 (0.2) | ||
| u magnitude | 16.23 (0.006) | 16.23 (0.006) | ||
| g magnitude | 16.16 (0.004) | 16.16 (0.004) | ||
| r magnitude | 16.25 (0.005) | 16.25 (0.005) | ||
| i magnitude | 16.30 (0.005) | 16.30 (0.005) | ||
| z magnitude | 16.36 (0.009) | 16.36 (0.009) | ||
| G magnitude | 16.16 (0.0008) | 16.15 (0.003) | ||
| BP magnitude | 16.17 (0.004) | |||
| RP magnitude | 15.98 (0.003) | |||
| Pan g magnitude | 16.19 (0.002) | |||
| Pan r magnitude | 16.26 (0.005) | |||
| Pan i magnitude | 16.33 (0.003) | |||
| Pan z magnitude | 16.40 (0.002) | |||
| Pan y magnitude | 16.43 (0.005) | |||
| E(B-V) | 0.027 | |||
* 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.