SDSS J004020.55+245433.2
All names: Gaia DR2 2806739000264778880, SDSS J004020.55+245433.1, SDSS J004020.54+245433.1, GALEX J004020.5+245433, Gaia EDR3 2806739000264778880, Gaia DR3 2806739000264778880, SDSS J004020.56+245433.1, SDSS J004020.55+245433.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 40 20.61 (0.2) | 00 40 20.57 | 00 40 20.61 (0.3) | 00 40 20.61 | 00 40 20.51 (0.2) | 00 40 20.55 | |||||
| Declination | 24 54 33.18 (0.2) | 24 54 33.15 | 24 54 33.18 (0.2) | 24 54 33.18 | 24 54 33.25 (0.2) | 24 54 33.19 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 9867.0 | 9970.0 (401) | 10537.0 (57) | |||||||
| log(g) | [cgs] | 7.61 | 7.62 (0.1) | 8.22 (0.05) | |||||||
| Mass | [M☉] | 0.398 | 0.405 (0.08) | 0.73 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.3988 | |||||||||
| 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] | 3.16 (0.3) | 3.08 (0.4) | 3.16 | 3.16 (0.3) | ||||||
| Distance | [pc] | 316.71 (26) | 324.44 (40) | 316.71 | 316.72 (26) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 84.07942464 (0.3) | 83.02615388 (0.7) | 84.079 (0.3) | |||||||
| Proper motion (declination) | [mas/yr] | -4.423179437 (0.2) | -5.507101765 (0.5) | -4.423 (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 | 19.70 (0.04) | 19.70 (0.04) | 19.66 (0.03) | ||||||||
| g magnitude | 19.21 (0.01) | 19.21 (0.01) | 19.20 (0.02) | ||||||||
| r magnitude | 19.29 (0.01) | 19.29 (0.01) | 19.32 (0.02) | ||||||||
| i magnitude | 19.45 (0.02) | 19.45 (0.02) | 19.45 (0.02) | ||||||||
| z magnitude | 19.55 (0.07) | 19.55 (0.07) | 19.67 (0.08) | ||||||||
| G magnitude | 19.22 (0.02) | 19.27 | 19.22 | 19.22 (0.004) | |||||||
| BP magnitude | 19.31 (0.02) | 19.35 | |||||||||
| RP magnitude | 19.12 (0.04) | 19.17 | |||||||||
| Pan g magnitude | 19.19 (0.009) | ||||||||||
| Pan r magnitude | 19.31 (0.006) | ||||||||||
| Pan i magnitude | 19.46 (0.007) | ||||||||||
| Pan z magnitude | 19.63 (0.02) | ||||||||||
| Pan y magnitude | 19.64 (0.03) | ||||||||||
| E(B-V) | 0.048 | ||||||||||
* Constant surface field
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