SDSS J170843.55+274921.1
All names: Gaia DR2 4575032909259362560, Gaia EDR3 4575032909259362560, SDSS J170843.56+274921.2, GALEX J170843.5+274920, Gaia DR3 4575032909259362560, SDSS J170843.50+274921.0, SDSS J170843.51+274921.0, SDSS J170843.55+274921.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 08 43.55 (0.09) | 17 08 43.55 | 17 08 43.55 (0.1) | 17 08 43.55 | 17 08 43.55 (0.09) | 17 08 43.51 | ||||||
| Declination | 27 49 21.28 (0.1) | 27 49 21.19 | 27 49 21.28 (0.2) | 27 49 21.28 | 27 49 21.13 (0.1) | 27 49 21.03 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 31467.0 (236) | 17088.0 | 27618.0 (1773) | 32102.0 (225) | |||||||
| log(g) | [cgs] | 7.86 (0.05) | 7.31 | 7.71 (0.1) | 7.83 (0.05) | |||||||
| Mass | [M☉] | 0.58 (0.03) | 0.323 | 0.499 (0.06) | 0.57 (0.02) | |||||||
| log(Luminosity) | [L☉] | -0.71 (0.04) | ||||||||||
| Cooling age | [Gyr] | 0.0076 (0.0002) | 0.0616 | |||||||||
| 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] | 1.89 (0.1) | 2.07 (0.2) | 1.89 | 1.89 (0.1) | |||||||
| Distance | [pc] | 529.73 (37) | 484.26 (42) | 529.73 | 529.72 (37) | |||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.471468599 (0.1) | 0.725835489 (0.3) | 0.471 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | 9.929997323 (0.1) | 9.805461609 (0.4) | 9.93 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.10 (0.01) | 18.10 (0.01) | 18.12 (0.02) | |||||||||
| g magnitude | 18.23 (0.007) | 18.23 (0.007) | 18.28 (0.02) | |||||||||
| r magnitude | 18.59 (0.009) | 18.59 (0.009) | 18.66 (0.01) | |||||||||
| i magnitude | 18.87 (0.01) | 18.87 (0.01) | 18.93 (0.02) | |||||||||
| z magnitude | 19.16 (0.06) | 19.16 (0.06) | 19.22 (0.05) | |||||||||
| G magnitude | 18.53 (0.01) | 18.56 | 18.53 | 18.53 (0.003) | ||||||||
| BP magnitude | 18.37 (0.01) | 18.27 | ||||||||||
| RP magnitude | 18.61 (0.03) | 18.58 | ||||||||||
| Pan g magnitude | 18.33 (0.007) | |||||||||||
| Pan r magnitude | 18.65 (0.008) | |||||||||||
| Pan i magnitude | 18.96 (0.02) | |||||||||||
| Pan z magnitude | 19.22 (0.02) | |||||||||||
| Pan y magnitude | 19.34 (0.04) | |||||||||||
| E(B-V) | 0.030 | |||||||||||
* Constant surface field
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