SDSS J152022.75+492215.3
All names: SDSS J152022.75+492215.1, WD 1518+495, Gaia DR3 1588624668108120320, SDSS J152022.75+492215.2, Gaia DR2 1588624668108120320, Gaia EDR3 1588624668108120320, GALEX J152022.7+492214, SDSS J152022.75+492215.3
| 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 20 22.72 (0.2) | 15 20 22.75 | 15 20 22.73 (0.3) | 15 20 22.77 (0.2) | 15 20 22.75 | 15 20 22.03 | 15 20 22.75 | |||||
| Declination | 49 22 15.38 (0.3) | 49 22 15.21 | 49 22 15.37 (0.3) | 49 22 15.15 (0.3) | 49 22 15.30 | 49 22 08.76 | 49 22 15.30 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 12368.0 | 13372.0 (387) | 13490.0 (361) | ||||||||
| log(g) | [cgs] | 7.59 | 7.95 (0.1) | 8.34 (0.1) | ||||||||
| Mass | [M☉] | 0.402 | 0.808 (0.06) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2060 | ||||||||||
| 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] | 2.06 (0.3) | 1.99 (0.4) | 2.06 (0.3) | ||||||||
| Distance | [pc] | 486.24 (65) | 503.10 (89) | 486.24 (65) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -25.96174761 (0.3) | -26.8086842 (0.6) | -25.962 (0.3) | -24.2 | |||||||
| Proper motion (declination) | [mas/yr] | 14.30195527 (0.3) | 14.32919456 (0.6) | 14.302 (0.3) | 9.7 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.90 (0.04) | 19.90 (0.04) | 19.91 (0.04) | 19.91 | 19.90 (0.04) | |||||||
| g magnitude | 19.46 (0.01) | 19.46 (0.01) | 19.54 (0.03) | 19.54 | 19.53 (0.03) | |||||||
| r magnitude | 19.76 (0.02) | 19.76 (0.02) | 19.78 (0.02) | 19.78 | 19.77 (0.02) | |||||||
| i magnitude | 19.92 (0.03) | 19.92 (0.03) | 19.97 (0.04) | 19.97 | 19.96 (0.04) | |||||||
| z magnitude | 20.10 (0.1) | 20.10 (0.1) | 20.07 (0.2) | 20.07 | 20.07 (0.2) | |||||||
| G magnitude | 19.63 (0.04) | 19.68 | 19.63 (0.005) | |||||||||
| BP magnitude | 19.64 (0.04) | 19.59 | ||||||||||
| RP magnitude | 19.68 (0.05) | 19.86 | ||||||||||
| Pan g magnitude | 19.51 (0.01) | |||||||||||
| Pan r magnitude | 19.72 (0.02) | |||||||||||
| Pan i magnitude | 19.99 (0.01) | |||||||||||
| Pan z magnitude | 20.21 (0.04) | |||||||||||
| Pan y magnitude | 19.92 (0.08) | |||||||||||
| E(B-V) | 0.020 | |||||||||||
* Constant surface field
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