WD 1518+573A
All names: SDSS J152006.79+571203.0, SDSS J152006.80+571202.9, SDSS J152006.81+571202.9, WD 1518+573A, PSO J152006.787+571203.642, WD 1518+573.1, Gaia DR2 1602535345626098816, SDSS J152006.80+571203.0, USNO-A2.0 1425-08280218, GALEX 2680954629586422545
| Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 20 06.78 (0.2) | 15 20 06.80 | 15 20 06.81 | 15 20 06.81 | 15 20 05.26 | 15 20 06.80 | 15 20 06.80 | |||
| Declination | 57 12 03.77 (0.3) | 57 12 03.30 | 57 12 02.98 | 57 12 02.98 | 57 11 56.40 | 57 12 02.96 | 57 12 02.95 | |||
| Spectral type | DA | DA | DA | DA4.6 | DA | |||||
| Effective temperature | [K] | 10464.0 | 10829.0 (123) | 10815.0 (132) | 10874.0 (127) | |||||
| log(g) | [cgs] | 8.11 | 8.49 (0.1) | 8.47 (0.1) | 8.50 (0.1) | |||||
| Mass | [M☉] | 0.667 | 0.887 (0.07) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.6237 | ||||||||
| 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] | 4.30 (0.2) | ||||||||
| Distance | [pc] | 232.33 (13) | ||||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -20.8280499 (0.4) | -21.0 | -16.1 | -19.0 | |||||
| Proper motion (declination) | [mas/yr] | 47.07713437 (0.6) | 43.0 | 42.0 | 43.0 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 18.20 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 18.80 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.39 (0.03) | 19.35 | 19.33 (0.03) | 19.34 | 19.35 (0.03) | 19.34 (0.02) | ||||
| g magnitude | 18.99 (0.009) | 19.00 | 19.00 (0.02) | 18.99 | 19.00 (0.02) | 18.99 (0.02) | ||||
| r magnitude | 19.11 (0.01) | 19.09 | 19.09 (0.02) | 19.09 | 19.09 (0.02) | 19.09 (0.02) | ||||
| i magnitude | 19.28 (0.02) | 19.23 | 19.22 (0.02) | 19.23 | 19.24 (0.02) | 19.23 (0.02) | ||||
| z magnitude | 19.46 (0.06) | 19.40 | 19.40 (0.06) | 19.40 | 19.40 (0.06) | 19.40 (0.06) | ||||
| G magnitude | 19.06 | |||||||||
| BP magnitude | 19.06 | |||||||||
| RP magnitude | 18.99 | |||||||||
| Pan g magnitude | 19.00 (0.01) | |||||||||
| Pan r magnitude | 19.09 (0.007) | |||||||||
| Pan i magnitude | 19.28 (0.009) | |||||||||
| Pan z magnitude | 19.46 (0.02) | |||||||||
| Pan y magnitude | 19.54 (0.03) | |||||||||
* Constant surface field
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