SDSS J154439.08+044026.6
All names: Gaia EDR3 4424784297430171648, GALEX J154439.1+044027, SDSS J154439.07+044026.5, Gaia DR3 4424784297430171648, Gaia DR2 4424784297430171648, SDSS J154439.08+044026.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 44 39.06 (0.5) | 15 44 39.08 | 15 44 39.06 (0.6) | 15 44 39.08 (0.5) | 15 44 39.08 | |||||
| Declination | 04 40 26.39 (0.3) | 04 40 26.57 | 04 40 26.39 (0.4) | 04 40 26.60 (0.3) | 04 40 26.58 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 9465.0 | 10288.0 (223) | |||||||
| log(g) | [cgs] | 8.37 | 8.55 (0.3) | |||||||
| Mass | [M☉] | 0.83 | 0.937 (0.1) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.2460 | ||||||||
| 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] | 4.00 (0.5) | 3.83 (0.7) | 4.00 (0.5) | ||||||
| Distance | [pc] | 249.79 (31) | 261.38 (46) | 249.79 (31) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -24.88221633 (0.5) | -26.19292152 (1) | -24.882 (0.5) | ||||||
| Proper motion (declination) | [mas/yr] | -13.37408645 (0.4) | -14.06699347 (1) | -13.374 (0.4) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.50 (0.05) | 20.50 (0.05) | 20.50 (0.05) | |||||||
| g magnitude | 20.05 (0.02) | 20.05 (0.02) | 20.07 (0.02) | |||||||
| r magnitude | 20.08 (0.02) | 20.08 (0.02) | 20.07 (0.02) | |||||||
| i magnitude | 20.23 (0.03) | 20.23 (0.03) | 20.21 (0.03) | |||||||
| z magnitude | 20.50 (0.2) | 20.50 (0.2) | 20.54 (0.1) | |||||||
| G magnitude | 20.03 (0.08) | 20.10 | 20.03 (0.006) | |||||||
| BP magnitude | 20.04 (0.08) | 20.13 | ||||||||
| RP magnitude | 19.78 (0.1) | 19.93 | ||||||||
| Pan g magnitude | 20.03 (0.01) | |||||||||
| Pan r magnitude | 20.10 (0.01) | |||||||||
| Pan i magnitude | 20.20 (0.01) | |||||||||
| Pan z magnitude | 20.32 (0.04) | |||||||||
| Pan y magnitude | 20.10 (0.1) | |||||||||
| E(B-V) | 0.036 | |||||||||
* Constant surface field
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