All names: GALEX J190343.9+472439, UCAC4 688-066405, WISE J190343.86+472439.0, 2MASS J19034385+4724388, Gaia DR2 2130719707748641664, Gaia DR3 2130719707748641664, WISEA J190343.88+472439.1, TIC 158109185, GALEX J190343.8+472438, O11J190344+472439
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 19 03 44.00 | 19 03 43.85 (0.6) | |
| Declination | 47 24 39.00 | 47 24 38.87 (0.7) | |
| Spectral type | sd | ||
| 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] | ||
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 3.2 (3) | |
| Proper motion (declination) | [mas/yr] | -4.7 (3) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.88 (0.01) | ||
| V magnitude | 16.17 (0.1) | ||
| R magnitude | 16.20 (0.1) | ||
| I magnitude | |||
| J magnitude | 15.45 (0.05) | 15.45 (0.05) | |
| H magnitude | 14.94 (0.07) | 14.94 (0.07) | |
| K magnitude | 14.93 (0.1) | 14.93 (0.1) | |
| u magnitude | |||
| g magnitude | 15.75 (0.01) | ||
| r magnitude | 16.16 (0.01) | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 16.03 (0.003) | 16.14 (0.006) | |
| BP magnitude | 15.91 (0.006) | ||
| RP magnitude | 15.88 (0.004) | ||
| Pan g magnitude | 15.96 (0.005) | ||
| Pan r magnitude | 16.13 (0.003) | ||
| Pan i magnitude | 16.23 (0.002) | ||
| Pan z magnitude | 16.28 (0.005) | ||
| Pan y magnitude | 16.31 (0.005) | ||
| E(B-V) | |||
* 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.