SDSS J154026.51+234334.6
All names: SDSS J154026.50+234334.7, WDJ154026.52+234334.53, LAMOST J154026.51+234334.6, J1540+2343, SDSS J154026.51+234334.7, Gaia DR2 1221075080749770752, SDSS J154026.51+234334.5, SDSS J154026.51+234334.72, SDSS J154026.51+234334.6, GALEX J154026.5+234335, [BGK2006] J154026.51+234334.7, Gaia EDR3 1221075080749770752, Gaia DR3 1221075080749770752
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 40 26.50 (0.03) | 15 40 26.51 | 15 40 26.50 (0.05) | 15 40 26.50 | 15 40 26.52 (0.03) | 15 40 26.50 | ||||||||
| Declination | 23 43 34.64 (0.04) | 23 43 34.59 | 23 43 34.64 (0.05) | 23 43 34.64 | 23 43 34.52 (0.04) | 23 43 34.64 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | |||||||
| Effective temperature | [K] | 15689.0 (128) | 15697.0 (129) | 14511.0 | 17236.0 (48) | 16365.0 (235) | ||||||||
| log(g) | [cgs] | 8.39 (0.007) | 8.38 (0.009) | 8.31 | 8.54 (0.01) | 8.43 (0.01) | ||||||||
| Mass | [M☉] | 0.859 (0.007) | 0.851 (0.007) | 0.804 | 0.936 (0.006) | 0.885 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.3548 | ||||||||||||
| 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] | 11.30 (0.05) | 11.19 (0.07) | 11.30 | 11.30 (0.05) | 11.19 (0.07) | ||||||||
| Distance | [pc] | 88.51 (0.4) | 89.37 (0.6) | 88.51 | 88.51 (0.4) | 89.37 (0.6) | ||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.55062194 (0.04) | -15.54233178 (0.1) | -15.551 (0.04) | -15.54233178 | |||||||||
| Proper motion (declination) | [mas/yr] | 7.235106486 (0.05) | 7.106421382 (0.1) | 7.235 (0.05) | 7.106421382 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 16.63 (0.007) | 16.65 (0.01) | 16.63 (0.007) | 16.63 (0.007) | ||||||||||
| g magnitude | 16.45 (0.004) | 16.46 (0.01) | 16.45 (0.004) | 16.45 (0.004) | ||||||||||
| r magnitude | 16.73 (0.005) | 16.74 (0.01) | 16.73 (0.005) | 16.73 (0.005) | ||||||||||
| i magnitude | 16.98 (0.006) | 16.98 (0.02) | 16.98 (0.006) | 16.98 (0.006) | ||||||||||
| z magnitude | 17.24 (0.01) | 17.25 (0.02) | 17.24 (0.01) | 17.24 (0.01) | ||||||||||
| G magnitude | 16.59 (0.004) | 16.61 | 16.59 | 16.59 (0.003) | 16.61 | |||||||||
| BP magnitude | 16.55 (0.004) | 16.54 | 16.54 | |||||||||||
| RP magnitude | 16.70 (0.006) | 16.69 | 16.69 | |||||||||||
| Pan g magnitude | 16.49 (0.002) | |||||||||||||
| Pan r magnitude | 16.75 (0.002) | |||||||||||||
| Pan i magnitude | 17.00 (0.003) | |||||||||||||
| Pan z magnitude | 17.23 (0.006) | |||||||||||||
| Pan y magnitude | 17.40 (0.007) | |||||||||||||
| E(B-V) | 0.022 | |||||||||||||
* Constant surface field
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