SDSS J081532.21+215840.6
All names: SDSS J081532.21+215840.5, GALEX J081532.2+215840, SDSS J081532.20+215840.5, Gaia DR3 676473944873877248, Gaia DR2 676473944873877248, Gaia EDR3 676473944873877248, SDSS J081532.21+215840.6, SDSS J081532.20+215840.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 15 32.19 (0.2) | 08 15 32.21 | 08 15 32.19 (0.3) | 08 15 32.21 (0.2) | 08 15 32.21 | |||||
| Declination | 21 58 40.30 (0.2) | 21 58 40.59 | 21 58 40.31 (0.2) | 21 58 40.73 (0.2) | 21 58 40.59 | |||||
| Spectral type | DAB | DAB | DAB | DA | ||||||
| Effective temperature | [K] | 11536.0 | 13013.0 (437) | |||||||
| log(g) | [cgs] | 7.83 | 9.01 (0.3) | |||||||
| Mass | [M☉] | 0.512 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.3369 | ||||||||
| 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] | 3.24 (0.3) | 2.98 (0.4) | 3.24 (0.3) | ||||||
| Distance | [pc] | 308.21 (25) | 335.73 (45) | 308.21 (25) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -20.11677024 (0.3) | -21.8570725 (0.7) | -20.117 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -26.694099 (0.2) | -26.38440912 (0.4) | -26.694 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.09 (0.02) | 19.09 (0.02) | 19.10 (0.02) | |||||||
| g magnitude | 19.06 (0.01) | 19.07 (0.01) | 19.09 (0.02) | |||||||
| r magnitude | 19.26 (0.01) | 19.26 (0.01) | 19.27 (0.02) | |||||||
| i magnitude | 19.48 (0.02) | 19.48 (0.02) | 19.48 (0.02) | |||||||
| z magnitude | 19.62 (0.08) | 19.62 (0.08) | 19.64 (0.08) | |||||||
| G magnitude | 19.15 (0.03) | 19.20 | 19.15 (0.004) | |||||||
| BP magnitude | 19.20 (0.03) | 19.11 | ||||||||
| RP magnitude | 19.16 (0.05) | 19.08 | ||||||||
| Pan g magnitude | 19.10 (0.007) | |||||||||
| Pan r magnitude | 19.29 (0.006) | |||||||||
| Pan i magnitude | 19.48 (0.01) | |||||||||
| Pan z magnitude | 19.70 (0.02) | |||||||||
| Pan y magnitude | 19.59 (0.1) | |||||||||
| E(B-V) | 0.016 | |||||||||
* Constant surface field
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