PHL 689
All names: GALEX J000835.0+075325, SDSS J000835.10+075324.53, PHL 689, Gaia DR3 2751982668366382720, SDSS J000835.09+075324.6, Gaia DR2 2751982668366382720, SDSS J000835.09+075324.5, Gaia EDR3 2751982668366382720, SDSS J000835.10+075324.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 08 35.11 (0.2) | 00 08 35.10 | 00 08 35.11 (0.3) | 00 08 35.11 | 00 08 35.10 (0.2) | ||||||
| Declination | 07 53 24.43 (0.1) | 07 53 24.67 | 07 53 24.44 (0.2) | 07 53 24.43 | 07 53 24.82 (0.1) | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 11982.0 | 26747.0 (110) | 19152.0 (1217) | |||||||
| log(g) | [cgs] | 7.00 | 8.03 (0) | 7.50 (0.1) | |||||||
| Mass | [M☉] | 0.23 | 0.6509999999999999 (0) | 0.392 (0.05) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1329 | |||||||||
| 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] | 2.41 (0.2) | 2.32 (0.3) | 2.41 | 2.41 (0.2) | ||||||
| Distance | [pc] | 414.38 (32) | 431.69 (54) | 414.38 | 414.39 (32) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.741263546 (0.2) | 4.906906792 (0.7) | 4.741 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -24.7906764 (0.2) | -24.68873122 (0.4) | -24.791 (0.2) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.40 | ||||||||||
| V magnitude | 18.60 | ||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.35 (0.02) | 18.35 (0.02) | 18.35 (0.02) | ||||||||
| g magnitude | 18.33 (0.007) | 18.33 (0.01) | 18.33 (0.007) | ||||||||
| r magnitude | 18.58 (0.009) | 18.58 (0.01) | 18.58 (0.009) | ||||||||
| i magnitude | 18.83 (0.01) | 18.83 (0.01) | 18.83 (0.01) | ||||||||
| z magnitude | 19.14 (0.06) | 19.14 (0.06) | 19.14 (0.06) | ||||||||
| G magnitude | 18.46 (0.01) | 18.49 | 18.46 | 18.46 (0.003) | |||||||
| BP magnitude | 18.46 (0.01) | 18.42 | |||||||||
| RP magnitude | 18.54 (0.03) | 18.51 | |||||||||
| Pan g magnitude | 18.35 (0.01) | ||||||||||
| Pan r magnitude | 18.62 (0.007) | ||||||||||
| Pan i magnitude | 18.87 (0.006) | ||||||||||
| Pan z magnitude | 19.03 (0.02) | ||||||||||
| Pan y magnitude | 19.14 (0.03) | ||||||||||
| E(B-V) | 0.041 | ||||||||||
* Constant surface field
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