All names: WD 0154-071, SDSS J015642.43-065540.1, KUV 01542-0710, 2MASS J01564243-0655402, WISE J015642.43-065540.2, PB 8949, Gaia DR3 2466635147278682112, Gaia EDR3 2466635147278682112, KUV01542-0710, Gaia DR2 2466635147278682112, TIC 287203814, UCAC4 416-002382, GALEX J015642.4-065539, WISEA J015642.44-065540.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 56 42.43 (0.05) | 01 56 42.41 | 01 56 42.43 (0.07) | 01 56 42.43 (0.05) | 01 56 41.76 | |||
| Declination | -06 55 40.28 (0.04) | -06 55 40.19 | -06 55 40.28 (0.06) | -06 55 40.15 (0.04) | -06 55 34.32 | |||
| Spectral type | sdB | sdB | DA | |||||
| Effective temperature | [K] | 27760.0 (500) | ||||||
| log(g) | [cgs] | 5.44 (0.05) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.32 (0.06) | 0.44 (0.09) | 0.44 (0.09) | 0.32 (0.06) | |||
| Distance | [pc] | 3169.05 (621) | 2262.44 (465) | 2262.44 (465) | 3168.57 (620) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -0.75948338 (0.06) | -0.834 (0.1) | -0.834 (0.1) | -0.759 (0.06) | |||
| Proper motion (declination) | [mas/yr] | -8.297951985 (0.04) | -8.719 (0.1) | -8.719 (0.1) | -8.298 (0.04) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.90 (0.01) | |||||||
| V magnitude | 16.04 (0.01) | |||||||
| R magnitude | 15.72 (0.3) | |||||||
| I magnitude | ||||||||
| J magnitude | 16.30 (0.1) | 16.30 (0.1) | ||||||
| H magnitude | 16.04 (0.2) | 16.04 (0.2) | ||||||
| K magnitude | 16.79 | |||||||
| u magnitude | 15.61 (0.005) | |||||||
| g magnitude | 15.76 (0.003) | |||||||
| r magnitude | 16.14 (0.004) | |||||||
| i magnitude | 16.46 (0.005) | |||||||
| z magnitude | 16.68 (0.01) | |||||||
| G magnitude | 15.96 (0.003) | 16.00 (0.003) | 16.00 | 15.96 (0.003) | ||||
| BP magnitude | 15.85 (0.003) | 15.82 (0.005) | 15.82 | |||||
| RP magnitude | 16.16 (0.004) | 16.17 (0.004) | 16.17 | |||||
| Pan g magnitude | 15.81 (0.004) | 15.81 (0.004) | ||||||
| Pan r magnitude | 16.20 (0.004) | 16.20 (0.004) | ||||||
| Pan i magnitude | 16.50 (0.002) | 16.50 (0.002) | ||||||
| Pan z magnitude | 16.71 (0.002) | 16.71 (0.002) | ||||||
| Pan y magnitude | 16.83 (0.006) | 16.83 (0.006) | ||||||
| E(B-V) | 0.031 | |||||||
* 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.