SDSS J084427.74+061449.5
All names: SDSS J084427.74+061449.5, Gaia DR3 583040058086202240, WD 0841+064, Gaia DR2 583040058086202240, Gaia EDR3 583040058086202240
| 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 44 27.72 (0.4) | 08 44 27.74 | 08 44 27.72 (0.6) | 08 44 27.75 (0.4) | 08 44 27.74 | 08 44 27.36 | 08 44 27.74 | |||||
| Declination | 06 14 49.49 (0.2) | 06 14 49.52 | 06 14 49.49 (0.4) | 06 14 49.48 (0.2) | 06 14 49.52 | 06 14 47.40 | 06 14 49.52 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 14361.0 | 17114.0 (616) | 17765.0 (664) | ||||||||
| log(g) | [cgs] | 7.75 | 8.08 (0.1) | 8.16 (0.1) | ||||||||
| Mass | [M☉] | 0.477 | 0.706 (0.09) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1531 | ||||||||||
| 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] | 1.98 (0.5) | 1.60 (0.7) | 1.98 (0.5) | ||||||||
| Distance | [pc] | 505.10 (135) | 624.37 (271) | 505.10 (135) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -23.81898123 (0.5) | -24.49461694 (1) | -23.819 (0.5) | -5.6 | |||||||
| Proper motion (declination) | [mas/yr] | 0.601908713 (0.4) | 0.782322574 (0.7) | 0.602 (0.4) | 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 | 20.09 (0.04) | 20.09 (0.04) | 20.06 (0.04) | 20.06 | 20.08 (0.04) | |||||||
| g magnitude | 19.83 (0.01) | 19.83 (0.01) | 19.85 (0.02) | 19.85 | 19.87 (0.02) | |||||||
| r magnitude | 20.14 (0.03) | 20.14 (0.03) | 20.14 (0.03) | 20.14 | 20.15 (0.03) | |||||||
| i magnitude | 20.45 (0.05) | 20.45 (0.05) | 20.43 (0.05) | 20.43 | 20.44 (0.05) | |||||||
| z magnitude | 20.43 (0.2) | 20.43 (0.2) | 20.44 (0.2) | 20.44 | 20.43 (0.2) | |||||||
| G magnitude | 20.01 (0.06) | 20.08 | 20.01 (0.005) | |||||||||
| BP magnitude | 20.00 (0.06) | 19.99 | ||||||||||
| RP magnitude | 20.04 (0.07) | 19.82 | ||||||||||
| Pan g magnitude | 19.87 (0.008) | |||||||||||
| Pan r magnitude | 20.17 (0.02) | |||||||||||
| Pan i magnitude | 20.41 (0.02) | |||||||||||
| Pan z magnitude | 20.68 (0.05) | |||||||||||
| Pan y magnitude | 20.16 (0.2) | |||||||||||
| E(B-V) | 0.029 | |||||||||||
* Constant surface field
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