WD 1521+024
All names: WD 1521+024, GALEX J152359.7+021842, SDSS J152359.74+021841.6, FOCAP QNZ5:01, Gaia EDR3 4421205249642736128, SDSS J152359.74+021841.7, Gaia DR3 4421205249642736128, SDSS J152359.75+021841.7, Gaia DR2 4421205249642736128
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 23 59.74 (0.1) | 15 23 59.75 | 15 23 59.74 (0.2) | 15 23 59.75 (0.1) | 15 23 59.62 | 15 23 59.75 | ||||||
| Declination | 02 18 41.57 (0.1) | 02 18 41.76 | 02 18 41.58 (0.2) | 02 18 41.69 (0.1) | 02 18 37.08 | 02 18 41.74 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 49893.0 (1062) | 27182.0 | 53503.0 (1647) | ||||||||
| log(g) | [cgs] | 7.65 (0.08) | 7.21 | 7.72 (0.1) | ||||||||
| Mass | [M☉] | 0.54 (0.03) | 0.343 | 0.577 (0.04) | ||||||||
| log(Luminosity) | [L☉] | 0.26 (0.07) | ||||||||||
| Cooling age | [Gyr] | 0.0017 (0.0003) | 0.0127 | |||||||||
| 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] | 1.32 (0.2) | 1.29 (0.2) | 1.32 (0.2) | ||||||||
| Distance | [pc] | 756.22 (92) | 775.99 (145) | 756.20 (92) | ||||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.41154103 (0.2) | -10.56991065 (0.3) | -10.412 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | -7.352254203 (0.2) | -7.380500413 (0.3) | -7.352 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 19.20 (0.2) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 17.72 (0.01) | 17.72 (0.01) | 17.71 (0.02) | |||||||||
| g magnitude | 18.08 (0.006) | 18.08 (0.006) | 18.11 (0.02) | |||||||||
| r magnitude | 18.57 (0.009) | 18.57 (0.009) | 18.58 (0.01) | |||||||||
| i magnitude | 18.97 (0.01) | 18.97 (0.01) | 18.97 (0.02) | |||||||||
| z magnitude | 19.22 (0.05) | 19.22 (0.05) | 19.24 (0.05) | |||||||||
| G magnitude | 18.33 (0.02) | 18.37 | 18.33 (0.004) | |||||||||
| BP magnitude | 18.20 (0.02) | 18.14 | ||||||||||
| RP magnitude | 18.63 (0.03) | 18.63 | ||||||||||
| Pan g magnitude | 18.15 (0.01) | |||||||||||
| Pan r magnitude | 18.59 (0.003) | |||||||||||
| Pan i magnitude | 18.96 (0.006) | |||||||||||
| Pan z magnitude | 19.21 (0.009) | |||||||||||
| Pan y magnitude | 19.42 (0.04) | |||||||||||
| E(B-V) | 0.038 | |||||||||||
* Constant surface field
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