SDSS J154019.57+543059.2
All names: SDSS J154019.55+543059.1, SDSS J154019.57+543059.1, Gaia DR3 1597892245460264192, GALEX J154019.5+543059, SDSS J154019.57+543059.2, Gaia EDR3 1597892245460264192, SDSS J154019.56+543059.1, Gaia DR2 1597892245460264192, WD 1539+546
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 40 19.54 (0.2) | 15 40 19.55 | 15 40 19.54 (0.2) | 15 40 19.54 | 15 40 19.56 (0.2) | 15 40 19.57 | 15 40 18.86 | 15 40 19.57 | |||||
| Declination | 54 30 58.73 (0.2) | 54 30 59.16 | 54 30 58.74 (0.2) | 54 30 58.73 | 54 30 59.18 (0.2) | 54 30 59.29 | 54 30 54.00 | 54 30 59.17 | |||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 7321.0 | 7582.0 (248) | 7928.0 (90) | 7501.0 (113) | ||||||||
| log(g) | [cgs] | 7.39 | 7.57 (0.08) | 8.61 (0.2) | 8.26 (0.2) | ||||||||
| Mass | [M☉] | 0.303 | 0.376 (0.05) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.7139 | |||||||||||
| 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] | 4.95 (0.2) | 4.67 (0.2) | 4.95 | 4.95 (0.2) | ||||||||
| Distance | [pc] | 201.89 (7) | 213.98 (11) | 201.89 | 201.89 (7) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.56681401 (0.2) | -15.56498248 (0.4) | -15.567 (0.2) | -13.3 | ||||||||
| Proper motion (declination) | [mas/yr] | -27.9489694 (0.2) | -28.25252965 (0.6) | -27.949 (0.2) | -27.0 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.72 (0.03) | 19.72 (0.03) | 19.75 (0.03) | 19.74 | 19.73 (0.03) | ||||||||
| g magnitude | 19.26 (0.01) | 19.26 (0.01) | 19.27 (0.03) | 19.27 | 19.28 (0.02) | ||||||||
| r magnitude | 19.12 (0.01) | 19.12 (0.01) | 19.11 (0.02) | 19.10 | 19.10 (0.02) | ||||||||
| i magnitude | 19.12 (0.01) | 19.12 (0.01) | 19.10 (0.02) | 19.09 | 19.11 (0.02) | ||||||||
| z magnitude | 19.15 (0.05) | 19.15 (0.05) | 19.15 (0.05) | 19.14 | 19.15 (0.05) | ||||||||
| G magnitude | 19.12 (0.02) | 19.15 | 19.12 | 19.12 (0.004) | |||||||||
| BP magnitude | 19.31 (0.02) | 19.32 | |||||||||||
| RP magnitude | 18.85 (0.04) | 18.79 | |||||||||||
| Pan g magnitude | 19.28 (0.01) | ||||||||||||
| Pan r magnitude | 19.15 (0.003) | ||||||||||||
| Pan i magnitude | 19.13 (0.01) | ||||||||||||
| Pan z magnitude | 19.21 (0.02) | ||||||||||||
| Pan y magnitude | 19.25 (0.06) | ||||||||||||
| E(B-V) | 0.017 | ||||||||||||
* Constant surface field
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