All names: FBS 0812+354, Gaia EDR3 902948090084293632, UCAC4 627-042538, TIC 139271306, CBS 69, FBS B 485, SDSS J081611.84+351703.3, UCAC2 44131591, GALEXJ08161+3517, Ton 899, GALEX J081611.8+351702, Gaia DR2 902948090084293632, Gaia DR3 902948090084293632, 2MASS J08161186+3517034
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 16 11.85 (0.03) | 08 16 11.83 | 08 16 11.86 (0.03) | ||
| Declination | 35 17 02.95 (0.02) | 35 17 02.74 | 35 17 03.33 (0.02) | ||
| Spectral type | sdB | 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] | 1.48 (0.03) | 1.43 (0.07) | 1.48 (0.03) | |
| Distance | [pc] | 673.76 (16) | 699.84 (32) | 673.76 (16) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.48 (0.03) | -4.544 (0.1) | -4.48 (0.03) | |
| Proper motion (declination) | [mas/yr] | -23.447 (0.03) | -23.372 (0.08) | -23.447 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.50 | ||||
| V magnitude | 14.10 | ||||
| R magnitude | 14.37 (0.06) | ||||
| I magnitude | |||||
| J magnitude | 14.54 (0.03) | 14.54 (0.03) | |||
| H magnitude | 14.54 (0.05) | 14.54 (0.05) | |||
| K magnitude | 14.62 (0.1) | 14.62 (0.1) | |||
| u magnitude | 14.89 (0.007) | ||||
| g magnitude | 14.99 (0.007) | 13.96 (0.01) | |||
| r magnitude | 14.40 (0.002) | 14.33 (0.04) | |||
| i magnitude | 15.24 (0.008) | 14.71 (0.03) | |||
| z magnitude | 15.01 (0.007) | ||||
| G magnitude | 14.05 (0.003) | 14.07 (0.0008) | 14.05 (0.003) | ||
| BP magnitude | 13.94 (0.003) | 13.89 (0.007) | |||
| RP magnitude | 14.26 (0.004) | 14.27 (0.003) | |||
| Pan g magnitude | 13.89 (0.002) | ||||
| Pan r magnitude | 14.29 (0.006) | ||||
| Pan i magnitude | 14.61 (0.002) | ||||
| Pan z magnitude | 14.85 (0.003) | ||||
| Pan y magnitude | 15.01 (0.007) | ||||
| E(B-V) | 0.034 | ||||
* 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.