All names: PG 0911+456, Gaia DR3 818937017945804160, V* DT Lyn, Gaia EDR3 818937017945804160, 2MASS J09145536+4523414, BPS BS 16926-0058, GSC 03424-01387, TIC 56863037, GALEX J091455.3+452339, PG0911+456, Gaia DR2 818937017945804160
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 14 55.38 (0.03) | 09 14 55.38 | 09 14 55.38 (0.03) | ||
| Declination | 45 23 41.31 (0.02) | 45 23 41.66 | 45 23 41.40 (0.02) | ||
| Spectral type | sdBV | sdBO | |||
| Effective temperature | [K] | 31900.0 | |||
| log(g) | [cgs] | 5.77 | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.86 (0.04) | 0.97 (0.07) | 0.86 (0.04) | |
| Distance | [pc] | 1161.58 (56) | 1034.98 (75) | 1161.58 (56) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 2.324 (0.03) | 2.156 (0.09) | 2.324 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.26 (0.03) | -5.314 (0.09) | -5.26 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.92 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.32 (0.05) | 15.32 (0.05) | |||
| H magnitude | 15.65 (0.1) | 15.65 (0.1) | |||
| K magnitude | 15.43 (0.2) | 15.43 (0.2) | |||
| u magnitude | 14.11 (0.003) | ||||
| g magnitude | 14.38 (0.003) | ||||
| r magnitude | 14.90 (0.003) | ||||
| i magnitude | 15.25 (0.004) | ||||
| z magnitude | 15.61 (0.006) | ||||
| G magnitude | 14.66 (0.003) | 14.67 (0.0008) | 14.66 (0.003) | ||
| BP magnitude | 14.50 (0.003) | 14.44 (0.008) | |||
| RP magnitude | 14.96 (0.004) | 14.96 (0.004) | |||
| Pan g magnitude | 14.51 (0.02) | ||||
| Pan r magnitude | 14.93 (0.006) | ||||
| Pan i magnitude | 15.30 (0.003) | ||||
| Pan z magnitude | 15.58 (0.003) | ||||
| Pan y magnitude | 15.78 (0.004) | ||||
| E(B-V) | 0.022 | ||||
* 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.