SDSS J082033.75+055027.8
All names: SDSS J082033.75+055027.8, GALEX J082033.7+055028, Gaia DR3 3093406386278421760, Gaia EDR3 3093406386278421760, Gaia DR2 3093406386278421760, WD 0817+059, SDSS J082033.76+055027.9
| 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 | 08 20 33.77 (0.6) | 08 20 33.76 | 08 20 33.77 (0.8) | 08 20 33.76 (0.6) | 08 20 33.76 | 08 20 33.43 | 08 20 33.76 | |||||
| Declination | 05 50 27.80 (0.5) | 05 50 27.85 | 05 50 27.80 (0.7) | 05 50 27.83 (0.5) | 05 50 27.86 | 05 50 21.84 | 05 50 27.86 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA+MS | ||||||
| Effective temperature | [K] | 19353.0 | 14579.0 (624) | 15108.0 (706) | ||||||||
| log(g) | [cgs] | 9.01 | 8.05 (0.2) | 8.10 (0.2) | ||||||||
| Mass | [M☉] | 1.205 | 0.667 (0.1) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.5871 | ||||||||||
| 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] | 2.60 (0.8) | 2.91 (1) | 2.60 (0.8) | ||||||||
| Distance | [pc] | 384.75 (119) | 343.40 (117) | 384.75 (119) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 5.63168089 (0.9) | 4.973496646 (2) | 5.632 (0.9) | 5.5 | |||||||
| Proper motion (declination) | [mas/yr] | -1.587826683 (0.6) | -0.702916124 (1) | -1.588 (0.6) | -1.8 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | |||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.53 (0.05) | 20.54 (0.06) | 20.55 (0.06) | 20.54 | 20.55 (0.06) | |||||||
| g magnitude | 20.23 (0.02) | 20.23 (0.02) | 20.24 (0.02) | 20.23 | 20.24 (0.02) | |||||||
| r magnitude | 20.55 (0.03) | 20.55 (0.03) | 20.55 (0.03) | 20.54 | 20.54 (0.03) | |||||||
| i magnitude | 20.70 (0.04) | 20.71 (0.04) | 20.70 (0.04) | 20.70 | 20.70 (0.04) | |||||||
| z magnitude | 21.14 (0.2) | 21.17 (0.2) | 21.09 (0.2) | 21.08 | 21.09 (0.2) | |||||||
| G magnitude | 20.38 (0.08) | 20.45 | 20.38 (0.007) | |||||||||
| BP magnitude | 20.39 (0.08) | 20.16 | ||||||||||
| RP magnitude | 20.26 (0.1) | 20.38 | ||||||||||
| Pan g magnitude | 20.19 (0.01) | |||||||||||
| Pan r magnitude | 20.50 (0.01) | |||||||||||
| Pan i magnitude | 20.79 (0.01) | |||||||||||
| Pan z magnitude | 20.92 (0.03) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.019 | |||||||||||
* Constant surface field
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