All names: WISEA J085611.09+812245.5, UCAC4 857-006732, GALEX J085610.9+812245, WISE J085611.09+812245.6, 2MASS J08561109+8122453, Gaia EDR3 1145233586163217664, Gaia DR2 1145233586163217664, GALEXJ08561+8122, Gaia DR3 1145233586163217664, TIC 137504709
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 56 11.15 (0.03) | 08 56 10.96 | 08 56 11.09 (0.03) | ||
| Declination | 81 22 45.66 (0.03) | 81 22 45.48 | 81 22 45.60 (0.03) | ||
| 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] | 0.82 (0.04) | 0.74 (0.05) | 0.82 (0.04) | |
| Distance | [pc] | 1214.03 (54) | 1343.72 (82) | 1214.03 (54) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 8.127 (0.04) | 8.111 (0.07) | 8.127 (0.04) | |
| Proper motion (declination) | [mas/yr] | 4.029 (0.04) | 4.221 (0.07) | 4.029 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.67 (0.06) | ||||
| V magnitude | 14.96 (0.06) | ||||
| R magnitude | 15.17 (0.07) | ||||
| I magnitude | |||||
| J magnitude | 15.63 (0.08) | 15.63 (0.08) | |||
| H magnitude | 15.79 (0.2) | 15.79 (0.2) | |||
| K magnitude | 15.79 | ||||
| u magnitude | |||||
| g magnitude | 14.73 (0.03) | ||||
| r magnitude | 15.26 (0.05) | ||||
| i magnitude | 15.59 (0.1) | ||||
| z magnitude | |||||
| G magnitude | 14.96 (0.003) | 14.98 (0.0007) | 14.96 (0.003) | ||
| BP magnitude | 14.81 (0.003) | 14.77 (0.01) | |||
| RP magnitude | 15.25 (0.005) | 15.25 (0.004) | |||
| Pan g magnitude | 14.82 (0.006) | ||||
| Pan r magnitude | 15.23 (0.0009) | ||||
| Pan i magnitude | 15.59 (0.002) | ||||
| Pan z magnitude | 15.87 (0.005) | ||||
| Pan y magnitude | 16.06 (0.007) | ||||
| E(B-V) | 0.032 | ||||
* 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.