All names: WISE J192900.66+445659.1, ATO J292.2527+44.9497, KIC 8754603, UCAC4 675-073121, LAMOST J192900.68+445658.9, KIC8754603, Gaia DR3 2126592038020508928, TIC 63208546, 2MASS J19290065+4456592, Gaia DR2 2126592038020508928, LAMOST J192900.66+445659.2
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 29 00.66 | 19 29 00.66 (0.01) | ||
| Declination | 44 56 59.28 | 44 56 59.15 (0.01) | ||
| Spectral type | sdB | sdB/sdO | ||
| Effective temperature | [K] | 17001.0 (94) | ||
| log(g) | [cgs] | 6.09 (0.02) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.43 (0.02) | 1.45 (0.02) | |
| Distance | [pc] | 699.84 (11) | 688.75 (7) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.717 (0.04) | -1.717 (0.02) | |
| Proper motion (declination) | [mas/yr] | -2.784 (0.04) | -2.775 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.09 (0.07) | |||
| V magnitude | 14.05 (0.06) | |||
| R magnitude | 14.17 (0.05) | |||
| I magnitude | ||||
| J magnitude | 14.02 (0.03) | 14.02 (0.03) | ||
| H magnitude | 14.01 (0.04) | 14.01 (0.04) | ||
| K magnitude | 13.98 (0.06) | 13.98 (0.06) | ||
| u magnitude | ||||
| g magnitude | 13.95 (0.08) | |||
| r magnitude | 14.24 (0.04) | |||
| i magnitude | 14.47 (0.07) | |||
| z magnitude | ||||
| G magnitude | 14.05 (0.001) | 14.03 (0.003) | ||
| BP magnitude | 14.03 (0.004) | |||
| RP magnitude | 14.03 (0.003) | |||
| Pan g magnitude | 13.93 (0.01) | |||
| Pan r magnitude | 14.15 (0.005) | |||
| Pan i magnitude | 14.36 (0.01) | |||
| Pan z magnitude | 14.53 (0.002) | |||
| Pan y magnitude | 14.58 (0.003) | |||
| E(B-V) | 0.033 | |||
* 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.