All names: TIC 273875093, UCAC4 689-072699, 2MASS J19530839+4743002, LAMOST J195308.39+474300.2, KIC 10553698, Gaia DR2 2086441927825846656, KIC10553698, EQ J1953.1+4743, Gaia DR3 2086441927825846656
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 53 08.39 | 19 53 08.39 (0.02) | ||
| Declination | 47 43 00.22 | 47 43 00.18 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 30123.0 (90) | ||
| log(g) | [cgs] | 5.59 (0.02) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.74 (0.03) | 0.78 (0.03) | |
| Distance | [pc] | 1344.63 (59) | 1288.66 (45) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.185 (0.06) | -4.144 (0.03) | |
| Proper motion (declination) | [mas/yr] | 2.956 (0.06) | 3.224 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.70 (0.2) | |||
| V magnitude | 14.90 (0.08) | |||
| R magnitude | 15.42 (0.07) | |||
| I magnitude | ||||
| J magnitude | 15.45 (0.05) | 15.45 (0.05) | ||
| H magnitude | 15.54 (0.09) | 15.54 (0.09) | ||
| K magnitude | 15.58 | |||
| u magnitude | ||||
| g magnitude | 14.66 (0.1) | |||
| r magnitude | 14.96 (0.08) | |||
| i magnitude | 15.08 (0.2) | |||
| z magnitude | ||||
| G magnitude | 15.00 (0.0006) | 14.98 (0.003) | ||
| BP magnitude | 14.83 (0.005) | |||
| RP magnitude | 15.17 (0.002) | |||
| Pan g magnitude | 14.86 (0.002) | |||
| Pan r magnitude | 15.21 (0.006) | |||
| Pan i magnitude | 15.51 (0.002) | |||
| Pan z magnitude | 15.76 (0.005) | |||
| Pan y magnitude | 15.91 (0.005) | |||
| E(B-V) | 0.087 | |||
* 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.