SDSS J081207.51+125707.7
All names: SDSS J081207.51+125707.7, Gaia DR2 650509252661902592, Gaia EDR3 650509252661902592, SDSS J081207.52+125707.70, SDSS J081207.52+125707.7, GALEX J081207.5+125707, Gaia DR3 650509252661902592
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 12 07.52 (0.1) | 08 12 07.52 | 08 12 07.52 (0.2) | 08 12 07.52 (0.1) | |||||||
| Declination | 12 57 07.67 (0.09) | 12 57 07.73 | 12 57 07.68 (0.1) | 12 57 07.79 (0.09) | |||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 43808.0 (895) | 27465.0 | 47273.0 (687) | |||||||
| log(g) | [cgs] | 7.49 (0.08) | 7.42 | 7.75 (0.05) | |||||||
| Mass | [M☉] | 0.47 (0.03) | 0.394 | 0.573 (0.02) | |||||||
| log(Luminosity) | [L☉] | 0.14 (0.07) | |||||||||
| Cooling age | [Gyr] | 0.0010 (0.0005) | 0.0126 | ||||||||
| 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 (0.2) | 1.49 (0.2) | 1.36 (0.2) | |||||||
| Distance | [pc] | 737.67 (88) | 672.39 (112) | 737.68 (88) | |||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -3.054138546 (0.2) | -2.74558204 (0.4) | -3.054 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -7.401171503 (0.1) | -7.415137179 (0.2) | -7.401 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.72 (0.01) | 17.74 (0.02) | 17.73 (0.01) | ||||||||
| g magnitude | 18.09 (0.006) | 18.12 (0.02) | 18.09 (0.006) | ||||||||
| r magnitude | 18.61 (0.009) | 18.61 (0.01) | 18.61 (0.009) | ||||||||
| i magnitude | 18.94 (0.01) | 18.96 (0.02) | 18.94 (0.01) | ||||||||
| z magnitude | 19.30 (0.05) | 19.30 (0.05) | 19.30 (0.05) | ||||||||
| G magnitude | 18.36 (0.01) | 18.41 | 18.36 (0.003) | ||||||||
| BP magnitude | 18.23 (0.01) | 18.13 | |||||||||
| RP magnitude | 18.67 (0.03) | 18.59 | |||||||||
| Pan g magnitude | 18.17 (0.004) | ||||||||||
| Pan r magnitude | 18.61 (0.005) | ||||||||||
| Pan i magnitude | 18.99 (0.008) | ||||||||||
| Pan z magnitude | 19.25 (0.02) | ||||||||||
| Pan y magnitude | 19.38 (0.04) | ||||||||||
| E(B-V) | 0.027 | ||||||||||
* Constant surface field
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