SDSS J081348.23+152940.2
All names: SDSS J081348.23+152940.2, Gaia DR2 655591405861432832, SDSS J081348.23+152940.27, Gaia DR3 655591405861432832, USNO-A2.0 1050-05633557, Gaia EDR3 655591405861432832, SDSS J081348.22+152940.2, GALEX J081348.2+152940
| 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 | 08 13 48.23 (0.4) | 08 13 48.23 | 08 13 48.23 (0.5) | 08 13 48.23 (0.4) | ||||||
| Declination | 15 29 40.22 (0.3) | 15 29 40.28 | 15 29 40.23 (0.3) | 15 29 40.36 (0.3) | ||||||
| Spectral type | DA | DA | DA+dM | DA+MS | ||||||
| Effective temperature | [K] | 7309.0 | 10428.0 (89) | |||||||
| log(g) | [cgs] | 7.40 | 7.77 (0.09) | |||||||
| Mass | [M☉] | 0.308 | 0.501 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.7235 | ||||||||
| 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] | 2.29 (0.6) | 3.36 (0.7) | 2.29 (0.6) | ||||||
| Distance | [pc] | 437.28 (107) | 298.01 (64) | 437.29 (107) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -1.418662624 (0.5) | 0.370561273 (1) | -1.419 (0.5) | ||||||
| Proper motion (declination) | [mas/yr] | -8.462882114 (0.4) | -8.917449648 (0.6) | -8.463 (0.4) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | 19.40 (0.3) | |||||||||
| V magnitude | ||||||||||
| R magnitude | 19.20 (0.3) | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.45 (0.05) | 20.41 (0.04) | 20.45 (0.05) | |||||||
| g magnitude | 19.89 (0.01) | 19.90 (0.02) | 19.89 (0.01) | |||||||
| r magnitude | 20.02 (0.02) | 20.05 (0.02) | 20.02 (0.02) | |||||||
| i magnitude | 19.99 (0.03) | 19.99 (0.03) | 19.99 (0.03) | |||||||
| z magnitude | 19.58 (0.07) | 19.60 (0.07) | 19.58 (0.07) | |||||||
| G magnitude | 19.89 (0.06) | 19.93 | 19.89 (0.005) | |||||||
| BP magnitude | 20.03 (0.06) | 19.93 | ||||||||
| RP magnitude | 19.71 (0.05) | 19.54 | ||||||||
| Pan g magnitude | 19.91 (0.01) | |||||||||
| Pan r magnitude | 20.01 (0.01) | |||||||||
| Pan i magnitude | 19.98 (0.01) | |||||||||
| Pan z magnitude | 19.79 (0.02) | |||||||||
| Pan y magnitude | 19.41 (0.1) | |||||||||
| E(B-V) | 0.024 | |||||||||
* Constant surface field
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