SDSS J121211.28+185229.0
All names: Gaia DR2 3950136054115254784, Gaia EDR3 3950136054115254784, SDSS J121211.27+185228.9, SDSS J121211.28+185229.0, GALEX J121211.3+185229, Gaia DR3 3950136054115254784
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 12 11.26 (0.6) | 12 12 11.27 | 12 12 11.26 (0.8) | 12 12 11.29 (0.6) | 12 12 11.28 | ||||||
| Declination | 18 52 28.82 (0.3) | 18 52 28.95 | 18 52 28.82 (0.4) | 18 52 28.99 (0.3) | 18 52 28.97 | ||||||
| Spectral type | DA | DAH | DAH | DAH | DA | ||||||
| Effective temperature | [K] | 21846.6 (890) | 15001.0 | 20758.0 (675) | |||||||
| log(g) | [cgs] | 7.60 (0.2) | 7.10 | 8.10 (0.1) | |||||||
| Mass | [M☉] | 0.4366232257557145 (0.2) | 0.264 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0747 | |||||||||
| 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] | 1.82 (0.5) | 1.01 (0.9) | 1.82 (0.5) | |||||||
| Distance | [pc] | 549.43 (153) | 990.47 (918) | 549.42 (153) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -28.17169681 (0.9) | -28.89459185 (2) | -28.172 (0.9) | |||||||
| Proper motion (declination) | [mas/yr] | -10.71341008 (0.4) | -10.23164846 (0.9) | -10.713 (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 | 19.86 (0.04) | 19.85 (0.04) | 19.88 (0.05) | ||||||||
| g magnitude | 19.88 (0.02) | 19.89 (0.02) | 19.92 (0.04) | ||||||||
| r magnitude | 20.25 (0.02) | 20.25 (0.02) | 20.25 (0.03) | ||||||||
| i magnitude | 20.54 (0.04) | 20.56 (0.04) | 20.56 (0.04) | ||||||||
| z magnitude | 20.57 (0.2) | 20.58 (0.1) | 20.58 (0.1) | ||||||||
| G magnitude | 20.06 (0.06) | 20.11 | 20.06 (0.007) | ||||||||
| BP magnitude | 20.03 (0.06) | 19.89 | |||||||||
| RP magnitude | 20.26 (0.08) | 20.32 | |||||||||
| Pan g magnitude | 19.91 (0.02) | ||||||||||
| Pan r magnitude | 20.23 (0.006) | ||||||||||
| Pan i magnitude | 20.49 (0.03) | ||||||||||
| Pan z magnitude | 20.88 (0.03) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.021 | ||||||||||
* Constant surface field
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