WD 1454+172
All names: Gaia DR2 1188075433968561792, SDSS J145641.12+170415.3, SDSS J145641.13+170415.3, SDSS J145641.13+170415.2, GALEX J145641.1+170416, WD 1454+172, PG 1454+173, Gaia DR3 1188075433968561792, Gaia EDR3 1188075433968561792
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 56 41.12 (0.06) | 14 56 41.13 | 14 56 41.12 (0.1) | 14 56 41.12 | 14 56 41.14 (0.06) | 14 56 40.46 | 14 56 41.13 | |||||||
| Declination | 17 04 15.37 (0.08) | 17 04 15.23 | 17 04 15.36 (0.1) | 17 04 15.37 | 17 04 15.13 (0.08) | 17 04 03.72 | 17 04 15.27 | |||||||
| Spectral type | DA | DA | DA | DA | DA1.6 | DA | DA | DA | ||||||
| Effective temperature | [K] | 31180.0 (98) | 26993.0 | 31380.0 (484) | 34518.0 (2025) | 31718.0 (200) | ||||||||
| log(g) | [cgs] | 7.97 (0.02) | 7.95 | 8.19 (0.06) | 8.19 (0.05) | 7.96 (0.03) | ||||||||
| Mass | [M☉] | 0.63 (0.01) | 0.611 | 0.76 (0.04) | 0.762 (0.04) | 0.627 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -0.80 (0.02) | ||||||||||||
| Cooling age | [Gyr] | 0.0079 (0.0002) | 0.0138 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(C/H) | ||||||||||||||
| log(N/H) | ||||||||||||||
| log(O/H) | ||||||||||||||
| log(Na/H) | ||||||||||||||
| log(Mg/H) | ||||||||||||||
| log(Al/H) | ||||||||||||||
| log(Si/H) | ||||||||||||||
| log(P/H) | ||||||||||||||
| log(S/H) | ||||||||||||||
| log(Sc/H) | ||||||||||||||
| log(Ti/H) | ||||||||||||||
| log(Cr/H) | ||||||||||||||
| log(Mn/H) | ||||||||||||||
| log(Fe/H) | ||||||||||||||
| log(Ni/H) | ||||||||||||||
| Parallax | [mas] | 4.10 (0.09) | 4.27 (0.1) | 4.10 | 4.10 (0.09) | |||||||||
| Distance | [pc] | 243.72 (5) | 234.11 (8) | 162.00 | 243.72 | 243.72 (5) | ||||||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -19.07219435 (0.09) | -19.30548184 (0.2) | -19.072 (0.09) | ||||||||||
| Proper motion (declination) | [mas/yr] | 14.84727585 (0.1) | 14.99955075 (0.2) | 14.847 (0.1) | ||||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.22 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 16.43 (0.006) | 16.43 (0.006) | 16.44 (0.01) | |||||||||||
| g magnitude | 16.68 (0.004) | 16.68 (0.004) | 16.70 (0.02) | |||||||||||
| r magnitude | 17.18 (0.006) | 17.18 (0.006) | 17.20 (0.02) | |||||||||||
| i magnitude | 17.54 (0.007) | 17.54 (0.007) | 17.54 (0.01) | |||||||||||
| z magnitude | 17.84 (0.02) | 17.84 (0.02) | 17.85 (0.02) | |||||||||||
| G magnitude | 16.96 (0.005) | 16.98 | 16.96 | 16.96 (0.003) | ||||||||||
| BP magnitude | 16.82 (0.005) | 16.79 | ||||||||||||
| RP magnitude | 17.25 (0.01) | 17.23 | ||||||||||||
| Pan g magnitude | 16.77 (0.004) | |||||||||||||
| Pan r magnitude | 17.19 (0.005) | |||||||||||||
| Pan i magnitude | 17.55 (0.004) | |||||||||||||
| Pan z magnitude | 17.84 (0.004) | |||||||||||||
| Pan y magnitude | 17.99 (0.03) | |||||||||||||
| E(B-V) | 0.030 | |||||||||||||
* Constant surface field
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