SDSS J174235.19+640028.4
All names: Gaia DR3 1440620958377526912, Gaia DR2 1440620958377526912, SDSS J174235.19+640028.4, Gaia EDR3 1440620958377526912, GALEX J174235.1+640028
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 42 35.18 (0.6) | 17 42 35.19 | 17 42 35.18 (0.8) | 17 42 35.21 (0.6) | 17 42 35.19 | |||||
| Declination | 64 00 28.46 (0.6) | 64 00 28.37 | 64 00 28.45 (1) | 64 00 28.25 (0.6) | 64 00 28.36 | |||||
| Spectral type | DA | DAH | DAH | DAH | ||||||
| Effective temperature | [K] | 15318.1 (865) | 21204.0 | 17004.0 (832) | ||||||
| log(g) | [cgs] | (0.2) | 7.23 | 7.88 (0.2) | ||||||
| Mass | [M☉] | 0.2486601920093681 (0.1) | 0.321 | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0185 | ||||||||
| 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] | -0.11 (0.7) | 0.63 (1) | 0.63 (1) | ||||||
| Distance | [pc] | 1575.15 (2468) | 1575.05 (2468) | |||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -14.77258398 (1) | -17.17824485 (2) | -14.773 (1) | ||||||
| Proper motion (declination) | [mas/yr] | 13.20843336 (1) | 13.26377896 (1) | 13.208 (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 | 20.81 (0.08) | 20.72 (0.08) | 20.72 (0.08) | |||||||
| g magnitude | 20.41 (0.02) | 20.37 (0.03) | 20.37 (0.03) | |||||||
| r magnitude | 20.72 (0.03) | 20.71 (0.04) | 20.71 (0.04) | |||||||
| i magnitude | 21.16 (0.08) | 21.03 (0.08) | 21.03 (0.08) | |||||||
| z magnitude | 21.23 (0.3) | 20.85 (0.2) | 20.85 (0.2) | |||||||
| G magnitude | 20.58 (0.1) | 20.65 | 20.58 (0.008) | |||||||
| BP magnitude | 20.55 (0.1) | 20.51 | ||||||||
| RP magnitude | 20.47 (0.1) | 20.36 | ||||||||
| Pan g magnitude | 20.43 (0.01) | |||||||||
| Pan r magnitude | 20.72 (0.02) | |||||||||
| Pan i magnitude | 20.96 (0.06) | |||||||||
| Pan z magnitude | 21.01 (0.2) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.028 | |||||||||
* Constant surface field
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