SDSS J155456.01+573053.4
All names: Gaia EDR3 1622769245794819968, SDSS J155456.02+573053.56, WDJ155456.00+573053.78, Gaia DR2 1622769245794819968, SDSS J155456.02+573053.5, SDSS J155456.02+573053.4, GALEX J155455.9+573053, J1554+5730, Gaia DR3 1622769245794819968, SDSS J155456.01+573053.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 54 56.08 (0.1) | 15 54 56.02 | 15 54 56.08 (0.2) | 15 54 56.08 | 15 54 56.00 (0.1) | 15 54 56.08 | |||||||||
| Declination | 57 30 52.43 (0.1) | 57 30 53.44 | 57 30 52.47 (0.2) | 57 30 52.43 | 57 30 53.79 (0.1) | 57 30 52.47 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | |||||||
| Effective temperature | [K] | 6668.0 (49) | 6714.0 (47) | 6669.0 (49) | 6579.0 | 6768.0 (63) | 6781.0 (117) | ||||||||
| log(g) | [cgs] | 7.95 (0.02) | 8.01 (0.02) | 7.98 (0.02) | 7.95 | 7.93 (0.1) | 7.97 (0.03) | ||||||||
| Mass | [M☉] | 0.561 (0.01) | 0.596 (0.02) | 0.581 (0.02) | 0.563 | 0.528 (0.06) | 0.576 (0.03) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 1.7700 | 1.6470 | ||||||||||||
| 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] | 10.58 (0.1) | 10.81 (0.2) | 10.81 (0.2) | 10.58 | 10.58 (0.1) | 10.81 (0.2) | ||||||||
| Distance | [pc] | 94.54 (0.9) | 92.51 (1) | 92.53 (1) | 94.54 | 94.53 (0.9) | 92.53 (1) | ||||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 40.46856914 (0.1) | 40.07124729 (0.3) | 40.469 (0.1) | 40.07124729 | ||||||||||
| Proper motion (declination) | [mas/yr] | -85.01493148 (0.2) | -84.5427775 (0.4) | -85.015 (0.2) | -84.5427775 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.77 (0.05) | ||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 19.28 (0.03) | 19.28 (0.03) | 19.27 (0.04) | 19.28 (0.03) | 19.28 (0.03) | ||||||||||
| g magnitude | 18.63 (0.008) | 18.64 (0.01) | 18.63 (0.008) | 18.63 (0.008) | |||||||||||
| r magnitude | 18.41 (0.008) | 18.42 (0.01) | 18.42 (0.008) | 18.42 (0.008) | |||||||||||
| i magnitude | 18.35 (0.009) | 18.36 (0.02) | 18.35 (0.009) | 18.35 (0.009) | |||||||||||
| z magnitude | 18.35 (0.02) | 18.34 (0.03) | 18.34 (0.02) | 18.34 (0.02) | |||||||||||
| G magnitude | 18.42 (0.03) | 18.44 | 18.42 | 18.42 (0.003) | 18.44 | ||||||||||
| BP magnitude | 18.61 (0.03) | 18.57 | 18.57 | ||||||||||||
| RP magnitude | 18.04 (0.02) | 17.98 | 17.98 | ||||||||||||
| Pan g magnitude | 18.67 (0.007) | 18.67 (0.008) | |||||||||||||
| Pan r magnitude | 18.43 (0.008) | 18.43 (0.009) | |||||||||||||
| Pan i magnitude | 18.38 (0.006) | 18.38 (0.005) | |||||||||||||
| Pan z magnitude | 18.40 (0.009) | 18.40 (0.007) | |||||||||||||
| Pan y magnitude | 18.42 (0.02) | 18.42 (0.02) | |||||||||||||
| E(B-V) | 0.012 | ||||||||||||||
* Constant surface field
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