SDSS J155138.83+444314.2
All names: Gaia DR2 1396976703306698752, SDSS J155138.83+444314.1, GALEX J155138.8+444315, Gaia EDR3 1396976703306698752, SDSS J155138.83+444314.2, Gaia DR3 1396976703306698752, WD 1550+448
| 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 51 38.84 (0.1) | 15 51 38.83 | 15 51 38.84 (0.2) | 15 51 38.84 | 15 51 38.83 (0.1) | 15 51 38.83 | 15 51 38.71 | 15 51 38.83 | |||||
| Declination | 44 43 14.28 (0.1) | 44 43 14.26 | 44 43 14.27 (0.2) | 44 43 14.28 | 44 43 14.21 (0.1) | 44 43 14.24 | 44 43 10.92 | 44 43 14.24 | |||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 14112.0 | 17837.0 (1368) | 16623.0 (291) | 16438.0 (311) | ||||||||
| log(g) | [cgs] | 7.64 | 7.91 (0.09) | 7.97 (0.07) | 7.93 (0.07) | ||||||||
| Mass | [M☉] | 0.428 | 0.57 (0.07) | 0.579 (0.03) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.1406 | |||||||||||
| 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] | 2.70 (0.1) | 2.68 (0.2) | 2.70 | 2.70 (0.1) | ||||||||
| Distance | [pc] | 370.41 (20) | 372.59 (26) | 370.41 | 370.41 (20) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 5.817337076 (0.1) | 6.324757122 (0.3) | 5.817 (0.1) | 5.8 | ||||||||
| Proper motion (declination) | [mas/yr] | 3.960752213 (0.2) | 4.458383256 (0.4) | 3.961 (0.2) | -0.4 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.84 (0.02) | 18.84 (0.02) | 18.81 (0.02) | 18.80 | 18.83 (0.02) | ||||||||
| g magnitude | 18.61 (0.007) | 18.61 (0.007) | 18.64 (0.02) | 18.63 | 18.64 (0.02) | ||||||||
| r magnitude | 18.89 (0.01) | 18.89 (0.01) | 18.88 (0.01) | 18.88 | 18.89 (0.01) | ||||||||
| i magnitude | 19.15 (0.01) | 19.15 (0.01) | 19.14 (0.03) | 19.14 | 19.16 (0.03) | ||||||||
| z magnitude | 19.51 (0.06) | 19.51 (0.06) | 19.54 (0.06) | 19.54 | 19.54 (0.06) | ||||||||
| G magnitude | 18.76 (0.02) | 18.79 | 18.76 | 18.76 (0.003) | |||||||||
| BP magnitude | 18.75 (0.02) | 18.69 | |||||||||||
| RP magnitude | 18.95 (0.04) | 18.98 | |||||||||||
| Pan g magnitude | 18.65 (0.01) | ||||||||||||
| Pan r magnitude | 18.90 (0.01) | ||||||||||||
| Pan i magnitude | 19.19 (0.009) | ||||||||||||
| Pan z magnitude | 19.42 (0.01) | ||||||||||||
| Pan y magnitude | 19.55 (0.06) | ||||||||||||
| E(B-V) | 0.019 | ||||||||||||
* Constant surface field
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