All names: UCAC2 24018469, MCT 0048-2016, TIC 28052378, UCAC4 351-000914, Gaia DR2 2356616398895680768, KUV 00486-2016, Gaia DR3 2356616398895680768, PHL 861, Gaia EDR3 2356616398895680768, KUV00486-2016, GALEX J005103.9-195959, EC 00485-2016, 2MASS J00510392-1959592, GD 656, WD 0048-202
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 51 03.92 (0.04) | 00 51 03.91 | 00 51 03.92 (0.05) | 00 51 03.92 (0.04) | 00 51 04.46 | |||
| Declination | -19 59 59.76 (0.03) | -19 59 57.80 | -19 59 59.74 (0.05) | -19 59 59.32 (0.03) | -20 00 05.04 | |||
| Spectral type | sdB+WD | sdBHe0 | sd | |||||
| Effective temperature | [K] | 29668.0 (500) | ||||||
| log(g) | [cgs] | 5.50 (0.05) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.87 (0.04) | 0.80 (0.07) | 0.80 (0.07) | 0.87 (0.04) | |||
| Distance | [pc] | 1149.38 (59) | 1254.39 (105) | 1254.39 (105) | 1149.43 (59) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 1.665857081 (0.05) | 1.729 (0.1) | 1.729 (0.1) | 1.666 (0.05) | |||
| Proper motion (declination) | [mas/yr] | -27.26323716 (0.05) | -27.214 (0.09) | -27.214 (0.09) | -27.263 (0.06) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 14.56 (0.01) | |||||||
| V magnitude | 14.83 (0.04) | |||||||
| R magnitude | 15.01 (0.1) | |||||||
| I magnitude | ||||||||
| J magnitude | 15.38 (0.05) | 15.38 (0.05) | ||||||
| H magnitude | 15.50 (0.1) | 15.50 (0.1) | ||||||
| K magnitude | 15.46 (0.2) | 15.46 (0.2) | ||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 14.76 (0.002) | 14.78 (0.0005) | 14.78 | 14.76 (0.003) | ||||
| BP magnitude | 14.62 (0.002) | 14.58 (0.006) | 14.58 | |||||
| RP magnitude | 15.04 (0.001) | 15.04 (0.002) | 15.04 | |||||
| Pan g magnitude | 14.61 (0.003) | |||||||
| Pan r magnitude | 15.03 (0.003) | |||||||
| Pan i magnitude | 15.37 (0.001) | |||||||
| Pan z magnitude | 15.65 (0.002) | 19.32 (0.07) | ||||||
| Pan y magnitude | 15.81 (0.004) | 18.78 (0.06) | ||||||
| E(B-V) | 0.009 | |||||||
* 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.