SDSS J152140.37+180435.4
All names: GALEX J152140.3+180435, Gaia EDR3 1208973409095941760, Gaia DR3 1208973409095941760, SDSS J152140.37+180435.4, SDSS J152140.37+180435.40, Gaia DR2 1208973409095941760, SDSS J152140.37+180435.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 21 40.37 (0.2) | 15 21 40.38 | 15 21 40.37 (0.4) | 15 21 40.38 (0.2) | ||||||
| Declination | 18 04 35.48 (0.3) | 18 04 35.35 | 18 04 35.47 (0.3) | 18 04 35.32 (0.3) | ||||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 13139.0 | 25069.0 (362) | |||||||
| log(g) | [cgs] | 7.12 | 7.87 (0.04) | |||||||
| Mass | [M☉] | 0.258 | 0.5710000000000001 (0.02) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.1158 | ||||||||
| 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] | 1.36 (0.3) | 1.41 (0.5) | 1.36 (0.3) | ||||||
| Distance | [pc] | 734.41 (180) | 710.12 (251) | 734.43 (180) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -14.68106126 (0.3) | -14.73100256 (0.8) | -14.681 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | 10.18762301 (0.3) | 10.89784241 (0.7) | 10.188 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.30 (0.03) | 19.29 (0.03) | 19.30 (0.03) | |||||||
| g magnitude | 19.45 (0.01) | 19.41 (0.02) | 19.45 (0.01) | |||||||
| r magnitude | 19.72 (0.02) | 19.70 (0.02) | 19.72 (0.02) | |||||||
| i magnitude | 19.97 (0.02) | 19.95 (0.04) | 19.97 (0.02) | |||||||
| z magnitude | 20.14 (0.1) | 20.13 (0.1) | 20.14 (0.1) | |||||||
| G magnitude | 19.54 (0.03) | 19.60 | 19.54 (0.004) | |||||||
| BP magnitude | 19.54 (0.03) | 19.52 | ||||||||
| RP magnitude | 19.60 (0.06) | 19.42 | ||||||||
| Pan g magnitude | 19.41 (0.008) | |||||||||
| Pan r magnitude | 19.72 (0.02) | |||||||||
| Pan i magnitude | 19.92 (0.01) | |||||||||
| Pan z magnitude | 20.22 (0.05) | |||||||||
| Pan y magnitude | 19.88 (0.2) | |||||||||
| E(B-V) | 0.044 | |||||||||
* Constant surface field
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