SDSS J084708.17+420113.1
All names: SDSS J084708.16+420113.2, Gaia DR2 913312494708844800, GALEX J084708.1+420113, US 1652, WD 0843+422, Gaia DR3 913312494708844800, Gaia EDR3 913312494708844800, SDSS J084708.16+420113.1, SDSS J084708.16+420113.0, SDSS J084708.17+420113.1, SDSS J084708.15+420113.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 | 08 47 08.16 (0.1) | 08 47 08.16 | 08 47 08.16 (0.1) | 08 47 08.16 | 08 47 08.17 (0.1) | 08 47 08.16 | 08 47 08.06 | 08 47 08.16 | ||||||
| Declination | 42 01 12.94 (0.09) | 42 01 13.14 | 42 01 12.95 (0.1) | 42 01 12.94 | 42 01 13.19 (0.09) | 42 01 13.20 | 42 01 09.84 | 42 01 13.18 | ||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 15992.0 | 19780.0 (360) | 17653.0 (896) | 19069.0 (224) | 19273.0 (236) | ||||||||
| log(g) | [cgs] | 7.52 | 7.98 (0.06) | 7.67 (0.08) | 7.97 (0.04) | 7.95 (0.04) | ||||||||
| Mass | [M☉] | 0.387 | 0.61 (0.03) | 0.451 (0.05) | 0.595 (0.02) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.0799 | 0.0759 | |||||||||||
| 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] | 2.75 (0.2) | 2.68 (0.2) | 2.75 | 2.75 (0.2) | |||||||||
| Distance | [pc] | 363.31 (21) | 373.34 (30) | 363.31 | 363.32 (21) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.533471911 (0.2) | -8.87519784 (0.3) | -8.533 (0.2) | 1.3 | |||||||||
| Proper motion (declination) | [mas/yr] | -15.84223111 (0.1) | -16.23371859 (0.2) | -15.842 (0.1) | -16.4 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 18.40 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 18.31 (0.01) | 18.31 (0.01) | 18.28 (0.02) | 18.28 | 18.32 (0.02) | |||||||||
| g magnitude | 18.16 (0.006) | 18.16 (0.006) | 18.17 (0.03) | 18.17 | 18.20 (0.03) | |||||||||
| r magnitude | 18.54 (0.009) | 18.54 (0.009) | 18.55 (0.02) | 18.55 | 18.56 (0.02) | |||||||||
| i magnitude | 18.78 (0.01) | 18.78 (0.01) | 18.77 (0.02) | 18.77 | 18.78 (0.02) | |||||||||
| z magnitude | 19.09 (0.04) | 19.09 (0.04) | 19.06 (0.05) | 19.06 | 19.08 (0.05) | |||||||||
| G magnitude | 18.36 (0.01) | 18.39 | 18.36 | 18.36 (0.003) | ||||||||||
| BP magnitude | 18.33 (0.01) | 18.28 | ||||||||||||
| RP magnitude | 18.56 (0.02) | 18.56 | ||||||||||||
| Pan g magnitude | 18.22 (0.007) | |||||||||||||
| Pan r magnitude | 18.54 (0.006) | |||||||||||||
| Pan i magnitude | 18.84 (0.006) | |||||||||||||
| Pan z magnitude | 19.05 (0.01) | |||||||||||||
| Pan y magnitude | 19.22 (0.04) | |||||||||||||
| E(B-V) | 0.025 | |||||||||||||
* Constant surface field
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