SDSS J121354.38+531140.6
All names: SDSS J121354.38+531140.6, Gaia EDR3 1572894474942639744, Gaia DR2 1572894474942639744, SDSS J121354.38+531140.7, GALEX J121354.3+531139, SDSS J121354.39+531140.7, Gaia DR3 1572894474942639744
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 13 54.35 (0.2) | 12 13 54.39 | 12 13 54.35 (0.3) | 12 13 54.40 (0.2) | 12 13 54.39 | ||||||
| Declination | 53 11 40.52 (0.2) | 53 11 40.72 | 53 11 40.53 (0.3) | 53 11 40.76 (0.2) | 53 11 40.69 | ||||||
| Spectral type | sdO: | sdO: | DA | SDO: | DA | ||||||
| Effective temperature | [K] | 12557.0 | 12708.0 | 13516.0 (428) | |||||||
| log(g) | [cgs] | 8.49 | 8.45 | 8.19 (0.4) | |||||||
| Mass | [M☉] | 0.914 | 0.87 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.7003 | 0.6554 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.73 (0.3) | 3.10 (0.4) | 2.73 (0.3) | |||||||
| Distance | [pc] | 366.44 (44) | 322.54 (44) | 366.45 (44) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -26.28571304 (0.3) | -26.72154795 (0.5) | -26.286 (0.3) | -30.3 | ||||||
| Proper motion (declination) | [mas/yr] | -14.89679847 (0.3) | -15.89346591 (0.6) | -14.897 (0.3) | -12.2 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.75 (0.03) | 19.75 (0.03) | 19.73 (0.04) | ||||||||
| g magnitude | 19.80 (0.01) | 19.80 (0.01) | 19.84 (0.04) | ||||||||
| r magnitude | 20.02 (0.02) | 20.02 (0.02) | 20.02 (0.03) | ||||||||
| i magnitude | 20.31 (0.04) | 20.31 (0.04) | 20.32 (0.05) | ||||||||
| z magnitude | 20.37 (0.1) | 20.37 (0.1) | 20.42 (0.1) | ||||||||
| G magnitude | 19.89 (0.04) | 19.95 | 19.89 (0.004) | ||||||||
| BP magnitude | 19.84 (0.04) | 19.80 | |||||||||
| RP magnitude | 19.77 (0.08) | 19.82 | |||||||||
| Pan g magnitude | 19.80 (0.01) | ||||||||||
| Pan r magnitude | 19.98 (0.02) | ||||||||||
| Pan i magnitude | 20.26 (0.02) | ||||||||||
| Pan z magnitude | 20.36 (0.03) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.019 | ||||||||||
* Constant surface field
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