All names: EQ J1953.1+4743, KIC 10553698, KIC10553698, TIC 273875093, Gaia DR2 2086441927825846656, UCAC4 689-072699, LAMOST J195308.39+474300.2, Gaia DR3 2086441927825846656, 2MASS J19530839+4743002
| 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.