SDSS J084334.68+303603.6
All names: SDSS J084334.68+303603.6, Gaia DR2 706415609298646144, WD 0840+307, SDSS J084334.68+303603.7, Gaia EDR3 706415609298646144, Gaia DR3 706415609298646144, GALEX J084334.7+303604, SDSS J084334.69+303603.7
| 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 43 34.68 (0.5) | 08 43 34.69 | 08 43 34.68 (0.8) | 08 43 34.69 (0.5) | 08 43 34.69 | 08 43 34.90 | 08 43 34.69 | |||||
| Declination | 30 36 03.66 (0.3) | 30 36 03.71 | 30 36 03.66 (0.5) | 30 36 03.75 (0.3) | 30 36 03.68 | 30 35 57.12 | 30 36 03.71 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 7994.0 | 9221.0 (174) | 9214.0 (189) | ||||||||
| log(g) | [cgs] | 7.05 | 8.34 (0.3) | 8.28 (0.3) | ||||||||
| Mass | [M☉] | 0.215 | 0.765 (0.2) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.4479 | ||||||||||
| 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] | 1.97 (0.7) | 1.90 (0.9) | 1.97 (0.7) | ||||||||
| Distance | [pc] | 508.50 (184) | 526.69 (248) | 508.49 (184) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.158745085 (0.7) | -7.156237835 (1) | -7.159 (0.7) | ||||||||
| Proper motion (declination) | [mas/yr] | -5.921130601 (0.5) | -5.841213695 (1) | -5.921 (0.5) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.77 (0.07) | 20.77 (0.07) | 20.72 (0.07) | 20.71 | 20.69 (0.07) | |||||||
| g magnitude | 20.33 (0.02) | 20.33 (0.02) | 20.36 (0.03) | 20.35 | 20.34 (0.03) | |||||||
| r magnitude | 20.39 (0.03) | 20.39 (0.03) | 20.42 (0.03) | 20.41 | 20.42 (0.03) | |||||||
| i magnitude | 20.35 (0.04) | 20.35 (0.04) | 20.38 (0.04) | 20.37 | 20.37 (0.04) | |||||||
| z magnitude | 20.39 (0.2) | 20.39 (0.2) | 20.45 (0.2) | 20.44 | 20.44 (0.2) | |||||||
| G magnitude | 20.31 (0.05) | 20.36 | 20.31 (0.006) | |||||||||
| BP magnitude | 20.34 (0.05) | 20.40 | ||||||||||
| RP magnitude | 20.13 (0.09) | 19.97 | ||||||||||
| Pan g magnitude | 20.37 (0.02) | |||||||||||
| Pan r magnitude | 20.35 (0.01) | |||||||||||
| Pan i magnitude | 20.31 (0.02) | |||||||||||
| Pan z magnitude | 20.59 (0.05) | |||||||||||
| Pan y magnitude | 20.03 (0.2) | |||||||||||
| E(B-V) | 0.024 | |||||||||||
* Constant surface field
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