SDSS J084131.61+304438.9
All names: GALEX J084131.6+304439, SDSS J084131.60+304438.9, Gaia DR2 706459310593929216, Gaia DR3 706459310593929216, WD 0838+309, SDSS J084131.61+304438.9, Gaia EDR3 706459310593929216
| 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 41 31.61 (0.5) | 08 41 31.61 | 08 41 31.61 (0.5) | 08 41 31.62 (0.5) | 08 41 31.61 | 08 41 31.30 | 08 41 31.61 | |||||
| Declination | 30 44 38.92 (0.2) | 30 44 38.90 | 30 44 38.92 (0.3) | 30 44 38.89 (0.2) | 30 44 38.93 | 30 44 34.08 | 30 44 38.93 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 8560.0 | 9892.0 (200) | 9886.0 (221) | ||||||||
| log(g) | [cgs] | 8.03 | 8.24 (0.3) | 8.22 (0.3) | ||||||||
| Mass | [M☉] | 0.617 | 0.729 (0.2) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.9468 | ||||||||||
| 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] | 2.62 (0.5) | 3.29 (0.8) | 2.62 (0.5) | ||||||||
| Distance | [pc] | 381.25 (78) | 303.97 (70) | 381.26 (78) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.695373929 (0.6) | -7.163849419 (1) | -7.695 (0.6) | ||||||||
| Proper motion (declination) | [mas/yr] | 1.839334099 (0.4) | 1.299993927 (0.6) | 1.839 (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 | 20.65 (0.06) | 20.65 (0.06) | 20.65 (0.06) | 20.65 | 20.63 (0.06) | |||||||
| g magnitude | 20.22 (0.02) | 20.22 (0.02) | 20.29 (0.03) | 20.29 | 20.29 (0.03) | |||||||
| r magnitude | 20.21 (0.02) | 20.21 (0.02) | 20.23 (0.03) | 20.22 | 20.23 (0.03) | |||||||
| i magnitude | 20.34 (0.04) | 20.34 (0.04) | 20.36 (0.04) | 20.36 | 20.36 (0.04) | |||||||
| z magnitude | 20.24 (0.1) | 20.24 (0.1) | 20.23 (0.1) | 20.23 | 20.24 (0.1) | |||||||
| G magnitude | 20.20 (0.04) | 20.24 | 20.20 (0.005) | |||||||||
| BP magnitude | 20.26 (0.04) | 20.28 | ||||||||||
| RP magnitude | 20.19 (0.08) | 20.00 | ||||||||||
| Pan g magnitude | 20.24 (0.01) | |||||||||||
| Pan r magnitude | 20.25 (0.01) | |||||||||||
| Pan i magnitude | 20.28 (0.02) | |||||||||||
| Pan z magnitude | 20.42 (0.03) | |||||||||||
| Pan y magnitude | 20.32 (0.2) | |||||||||||
| E(B-V) | 0.021 | |||||||||||
* Constant surface field
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