All names: V* DT Lyn, GSC 03424-01387, BPS BS 16926-0058, TIC 56863037, 2MASS J09145536+4523414, PG 0911+456, Gaia DR2 818937017945804160, GALEX J091455.3+452339, PG0911+456, Gaia EDR3 818937017945804160, Gaia DR3 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.