All names: Gaia DR3 4513771110693512320, KPD 1901+1607, WISE J190351.30+161204.9, SDSS J190351.30+161205.0, WISEA J190351.29+161205.0, UCAC4 532-085921, UCAC2 37583843, GALEX J190351.2+161204, TIC 355714840, Gaia DR2 4513771110693512320, KPD1901+1607, 2MASS J19035130+1612051
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 03 51.32 | 19 03 51.31 (0.03) | ||
| Declination | 16 12 06.13 | 16 12 05.13 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.50 (0.05) | 1.86 (0.04) | |
| Distance | [pc] | 665.96 (24) | 536.25 (12) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -7.052 (0.09) | -8.182 (0.04) | |
| Proper motion (declination) | [mas/yr] | -13.838 (0.08) | -14.199 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.29 (0.05) | |||
| V magnitude | 14.33 (0.01) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.23 (0.03) | 14.23 (0.03) | ||
| H magnitude | 14.11 (0.04) | 14.11 (0.04) | ||
| K magnitude | 14.34 (0.08) | 14.34 (0.08) | ||
| u magnitude | ||||
| g magnitude | 14.20 (0.01) | |||
| r magnitude | 14.44 (0.04) | |||
| i magnitude | 14.53 (0.08) | |||
| z magnitude | ||||
| G magnitude | 14.27 (0.0003) | 14.25 (0.003) | ||
| BP magnitude | 14.20 (0.004) | |||
| RP magnitude | 14.25 (0.002) | |||
| Pan g magnitude | 14.22 (0.003) | |||
| Pan r magnitude | 14.43 (0.003) | |||
| Pan i magnitude | 14.62 (0.002) | |||
| Pan z magnitude | 14.73 (0.01) | |||
| Pan y magnitude | 14.83 (0.002) | |||
| E(B-V) | 0.249 | |||
* 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.