SDSS J152154.17+465744.3
All names: SDSS J152154.17+465744.3, Gaia DR3 1395948724358234496, Gaia DR2 1395948724358234496, SDSS J152154.17+465744.2, WD 1520+471, SDSS J152154.18+465744.4, Gaia EDR3 1395948724358234496, GALEX J152154.1+465744
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 21 54.16 (0.3) | 15 21 54.18 | 15 21 54.16 (0.4) | 15 21 54.18 (0.3) | 15 21 54.18 | 15 21 53.59 | 15 21 54.18 | |||||
| Declination | 46 57 44.63 (0.3) | 46 57 44.30 | 46 57 44.62 (0.4) | 46 57 44.22 (0.3) | 46 57 44.40 | 46 57 37.44 | 46 57 44.40 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 14488.0 | 18441.0 (628) | 18495.0 (638) | ||||||||
| log(g) | [cgs] | 7.43 | 8.12 (0.1) | 8.18 (0.2) | ||||||||
| Mass | [M☉] | 0.348 | 0.719 (0.09) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1088 | ||||||||||
| 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] | 1.47 (0.3) | 1.36 (0.4) | 1.47 (0.3) | ||||||||
| Distance | [pc] | 680.26 (144) | 736.61 (239) | 680.27 (144) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.04562055 (0.3) | -15.44921134 (0.7) | -15.046 (0.3) | -11.9 | |||||||
| Proper motion (declination) | [mas/yr] | 25.70309045 (0.4) | 25.52759542 (0.9) | 25.703 (0.4) | 30.4 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.99 (0.04) | 19.99 (0.04) | 20.00 (0.04) | 20.00 | 19.99 (0.04) | |||||||
| g magnitude | 19.83 (0.01) | 19.83 (0.01) | 19.86 (0.02) | 19.85 | 19.84 (0.02) | |||||||
| r magnitude | 20.15 (0.02) | 20.16 (0.03) | 20.18 (0.03) | 20.18 | 20.17 (0.03) | |||||||
| i magnitude | 20.44 (0.04) | 20.44 (0.04) | 20.48 (0.04) | 20.48 | 20.47 (0.04) | |||||||
| z magnitude | 20.50 (0.1) | 20.50 (0.1) | 20.50 (0.1) | 20.51 | 20.49 (0.1) | |||||||
| G magnitude | 20.03 (0.06) | 20.09 | 20.03 (0.005) | |||||||||
| BP magnitude | 20.01 (0.06) | 19.87 | ||||||||||
| RP magnitude | 20.14 (0.1) | 20.07 | ||||||||||
| Pan g magnitude | 19.85 (0.01) | |||||||||||
| Pan r magnitude | 20.16 (0.01) | |||||||||||
| Pan i magnitude | 20.46 (0.02) | |||||||||||
| Pan z magnitude | 20.68 (0.05) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.020 | |||||||||||
* Constant surface field
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