All names: KeplerJ19091+3756, Gaia DR3 2099149567821051904, TIC 121212691, EQ J1909.1+3756, Gaia DR2 2099149567821051904, 2MASS J19090714+3756143, KIC 2697388, SDSS J190907.14+375614.2, LAMOST J190907.14+375614.3
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 09 07.10 | 19 09 07.15 (0.02) | ||
| Declination | 37 56 14.00 | 37 56 14.22 (0.03) | ||
| Spectral type | sdBV | sdB | ||
| Effective temperature | [K] | 24320.0 (90) | ||
| log(g) | [cgs] | 5.42 (0.02) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.79 (0.04) | 0.78 (0.03) | |
| Distance | [pc] | 1261.99 (64) | 1285.35 (45) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.814 (0.06) | -1.815 (0.03) | |
| Proper motion (declination) | [mas/yr] | -4.288 (0.07) | -4.313 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.67 (0.06) | 15.67 (0.06) | ||
| H magnitude | 16.07 (0.2) | 16.07 (0.2) | ||
| K magnitude | 15.78 | 15.78 | ||
| u magnitude | 15.05 (0.004) | 15.06 (0.004) | ||
| g magnitude | 15.01 (0.003) | 15.00 (0.003) | ||
| r magnitude | 15.40 (0.003) | 15.42 (0.003) | ||
| i magnitude | 15.68 (0.004) | 15.69 (0.004) | ||
| z magnitude | 15.93 (0.006) | 15.93 (0.007) | ||
| G magnitude | 15.26 (0.0009) | 15.24 (0.003) | ||
| BP magnitude | 15.13 (0.004) | |||
| RP magnitude | 15.40 (0.002) | |||
| Pan g magnitude | 15.12 (0.003) | |||
| Pan r magnitude | 15.44 (0.004) | |||
| Pan i magnitude | 15.73 (0.002) | |||
| Pan z magnitude | 15.96 (0.001) | |||
| Pan y magnitude | 16.11 (0.003) | |||
| E(B-V) | 0.081 | |||
* 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.