SDSS J120831.26+271946.0
All names: SDSS J120831.26+271945.9, Gaia DR2 4006761349623161856, GALEX J120831.2+271945, SDSS J120831.26+271946.0, SDSS J120831.25+271945.9, Gaia EDR3 4006761349623161856, Gaia DR3 4006761349623161856
| 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 | 12 08 31.24 (0.7) | 12 08 31.26 | 12 08 31.25 (0.8) | 12 08 31.27 (0.7) | 12 08 31.26 | |||||
| Declination | 27 19 45.91 (0.3) | 27 19 45.99 | 27 19 45.91 (0.4) | 27 19 46.05 (0.3) | 27 19 45.97 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 20911.0 | 24231.0 (909) | |||||||
| log(g) | [cgs] | 8.71 | 7.70 (0.2) | |||||||
| Mass | [M☉] | 1.058 | 0.498 (0.07) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.2529 | ||||||||
| 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] | 1.51 (0.6) | 2.25 (0.7) | 1.51 (0.6) | ||||||
| Distance | [pc] | 663.80 (246) | 444.39 (146) | 663.79 (246) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -18.4194308 (0.7) | -20.05739764 (2) | -18.419 (0.7) | ||||||
| Proper motion (declination) | [mas/yr] | -8.654469169 (0.4) | -8.198993394 (0.8) | -8.654 (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 | 19.70 (0.03) | 19.70 (0.03) | 19.84 (0.04) | |||||||
| g magnitude | 19.87 (0.02) | 19.87 (0.01) | 19.90 (0.02) | |||||||
| r magnitude | 20.35 (0.02) | 20.35 (0.03) | 20.31 (0.02) | |||||||
| i magnitude | 20.64 (0.04) | 20.64 (0.04) | 20.66 (0.05) | |||||||
| z magnitude | 21.00 (0.3) | 21.00 (0.3) | 20.80 (0.2) | |||||||
| G magnitude | 20.13 (0.05) | 20.19 | 20.13 (0.006) | |||||||
| BP magnitude | 20.02 (0.05) | 20.03 | ||||||||
| RP magnitude | 20.20 (0.1) | 20.41 | ||||||||
| Pan g magnitude | 19.97 (0.01) | |||||||||
| Pan r magnitude | 20.34 (0.02) | |||||||||
| Pan i magnitude | 20.65 (0.02) | |||||||||
| Pan z magnitude | 20.89 (0.03) | |||||||||
| Pan y magnitude | 20.30 (0.1) | |||||||||
| E(B-V) | 0.017 | |||||||||
* Constant surface field
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