SDSS J122844.31+313734.5
All names: SDSS J122844.31+313734.5, GALEX J122844.3+313734, Gaia DR2 4015531191805093888, Gaia EDR3 4015531191805093888, SDSS J122844.29+313734.5, Gaia DR3 4015531191805093888
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 28 44.28 (0.1) | 12 28 44.31 | 12 28 44.28 (0.2) | 12 28 44.28 | 12 28 44.32 (0.1) | 12 28 44.31 | |||||
| Declination | 31 37 34.56 (0.08) | 31 37 34.51 | 31 37 34.56 (0.09) | 31 37 34.56 | 31 37 34.44 (0.08) | 31 37 34.54 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 17318.0 | 20177.0 (1168) | 19318.0 (267) | |||||||
| log(g) | [cgs] | 7.64 | 7.88 (0.08) | 7.80 (0.05) | |||||||
| Mass | [M☉] | 0.439 | 0.559 (0.06) | 0.526 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0652 | |||||||||
| 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] | 2.85 (0.2) | 2.71 (0.2) | 2.85 | 2.85 (0.2) | ||||||
| Distance | [pc] | 350.49 (20) | 369.31 (31) | 350.49 | 350.48 (20) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -31.67491459 (0.2) | -31.84705505 (0.3) | -31.675 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | 7.541176073 (0.1) | 7.606844591 (0.2) | 7.541 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.33 (0.01) | 18.33 (0.01) | 18.36 (0.02) | ||||||||
| g magnitude | 18.15 (0.007) | 18.15 (0.007) | 18.15 (0.02) | ||||||||
| r magnitude | 18.55 (0.009) | 18.55 (0.009) | 18.55 (0.01) | ||||||||
| i magnitude | 18.82 (0.01) | 18.82 (0.01) | 18.86 (0.02) | ||||||||
| z magnitude | 19.06 (0.04) | 19.07 (0.04) | 19.07 (0.05) | ||||||||
| G magnitude | 18.38 (0.01) | 18.44 | 18.38 | 18.38 (0.003) | |||||||
| BP magnitude | 18.31 (0.01) | ||||||||||
| RP magnitude | 18.55 (0.02) | ||||||||||
| Pan g magnitude | 18.21 (0.006) | ||||||||||
| Pan r magnitude | 18.54 (0.007) | ||||||||||
| Pan i magnitude | 18.84 (0.01) | ||||||||||
| Pan z magnitude | 19.10 (0.02) | ||||||||||
| Pan y magnitude | 19.25 (0.03) | ||||||||||
| E(B-V) | 0.013 | ||||||||||
* Constant surface field
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