SDSS J121825.09+335103.8
All names: SDSS J121825.08+335103.7, Gaia DR2 4016952551101639680, GALEX J121825.1+335104, Gaia EDR3 4016952551101639680, SDSS J121825.09+335103.8, Gaia DR3 4016952551101639680
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 18 25.09 (0.3) | 12 18 25.08 | 12 18 25.09 (0.8) | 12 18 25.09 (0.3) | 12 18 25.09 | ||||
| Declination | 33 51 03.77 (0.5) | 33 51 03.74 | 33 51 03.77 (0.7) | 33 51 03.70 (0.5) | 33 51 03.75 | ||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 14095.0 | 18687.0 (506) | ||||||
| log(g) | [cgs] | 6.80 | 7.91 (0.1) | ||||||
| Mass | [M☉] | 0.211 | 0.575 (0.06) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| 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] | 1.33 (0.6) | 0.91 (1) | 1.32 (0.6) | |||||
| Distance | [pc] | 754.71 (352) | 1096.38 (1488) | 754.72 (352) | |||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -3.152664997 (0.3) | -3.707088963 (1) | -3.153 (0.3) | |||||
| Proper motion (declination) | [mas/yr] | 4.325708459 (0.6) | 4.04930739 (2) | 4.326 (0.6) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.77 (0.03) | 19.80 (0.04) | 19.80 (0.04) | ||||||
| g magnitude | 19.66 (0.01) | 19.70 (0.02) | 19.70 (0.02) | ||||||
| r magnitude | 20.01 (0.02) | 20.04 (0.03) | 20.04 (0.03) | ||||||
| i magnitude | 20.29 (0.04) | 20.29 (0.04) | 20.29 (0.04) | ||||||
| z magnitude | 20.40 (0.1) | 20.39 (0.1) | 20.39 (0.1) | ||||||
| G magnitude | 19.83 (0.04) | 19.91 | 19.83 (0.005) | ||||||
| BP magnitude | 19.84 (0.04) | 19.81 | |||||||
| RP magnitude | 20.04 (0.08) | 19.95 | |||||||
| Pan g magnitude | 19.70 (0.02) | ||||||||
| Pan r magnitude | 20.00 (0.02) | ||||||||
| Pan i magnitude | 20.30 (0.02) | ||||||||
| Pan z magnitude | 20.55 (0.008) | ||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.016 | ||||||||
* Constant surface field
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