SDSS J154949.99+205043.4
All names: Gaia EDR3 1216165142857171072, SDSS J154950.00+205043.4, Gaia DR3 1216165142857171072, GALEX J154950.0+205043, SDSS J154949.99+205043.4, SDSS J154949.98+205043.4, Gaia DR2 1216165142857171072
| 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 | 15 49 49.98 (0.05) | 15 49 50.00 | 15 49 49.98 (0.08) | 15 49 49.98 | 15 49 50.01 (0.05) | 15 49 50.00 | ||||||
| Declination | 20 50 43.44 (0.06) | 20 50 43.42 | 20 50 43.44 (0.08) | 20 50 43.44 | 20 50 43.32 (0.06) | 20 50 43.42 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 57253.0 (1334) | 15728.0 | 35211.0 (1805) | 68016.0 (1928) | |||||||
| log(g) | [cgs] | 7.56 (0.08) | 6.62 | 7.57 (0.06) | 7.61 (0.09) | |||||||
| Mass | [M☉] | 0.53 (0.02) | 0.201 | 0.467 (0.03) | 0.578 (0.03) | |||||||
| log(Luminosity) | [L☉] | 0.59 (0.07) | ||||||||||
| Cooling age | [Gyr] | 0.0008 (0.0003) | ||||||||||
| 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] | 2.18 (0.09) | 2.06 (0.1) | 2.18 | 2.18 (0.09) | |||||||
| Distance | [pc] | 458.59 (19) | 484.72 (26) | 458.59 | 458.59 (19) | |||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -22.76231644 (0.08) | -22.57844044 (0.2) | -22.762 (0.08) | ||||||||
| Proper motion (declination) | [mas/yr] | 7.916817048 (0.09) | 8.002257324 (0.2) | 7.917 (0.09) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.82 (0.007) | 16.82 (0.007) | 16.85 (0.02) | |||||||||
| g magnitude | 17.14 (0.004) | 17.14 (0.004) | 17.16 (0.01) | |||||||||
| r magnitude | 17.64 (0.006) | 17.64 (0.006) | 17.63 (0.01) | |||||||||
| i magnitude | 17.94 (0.008) | 17.94 (0.008) | 17.93 (0.02) | |||||||||
| z magnitude | 18.17 (0.02) | 18.17 (0.03) | 18.16 (0.03) | |||||||||
| G magnitude | 17.39 (0.008) | 17.41 | 17.39 | 17.39 (0.003) | ||||||||
| BP magnitude | 17.26 (0.008) | 17.18 | ||||||||||
| RP magnitude | 17.61 (0.01) | 17.60 | ||||||||||
| Pan g magnitude | 17.22 (0.01) | |||||||||||
| Pan r magnitude | 17.64 (0.005) | |||||||||||
| Pan i magnitude | 17.96 (0.002) | |||||||||||
| Pan z magnitude | 18.15 (0.006) | |||||||||||
| Pan y magnitude | 18.18 (0.01) | |||||||||||
| E(B-V) | 0.052 | |||||||||||
* Constant surface field
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