SDSS J121202.58+270742.4
All names: SDSS J121202.58+270742.4, SDSS J121202.58+270742.46, Gaia EDR3 4009687287503025792, SDSS J121202.57+270742.4, GALEX J121202.7+270742, Gaia DR2 4009687287503025792, Gaia DR3 4009687287503025792
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 12 02.58 (2) | 12 12 02.58 | 12 12 02.58 (1) | 12 12 02.56 (1) | |||||
| Declination | 27 07 42.59 (1) | 27 07 42.45 | 27 07 42.58 (1) | 27 07 42.26 (1) | |||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 6896.0 | 7795.0 (161) | ||||||
| log(g) | [cgs] | 7.63 | 7.54 (0.3) | ||||||
| Mass | [M☉] | 0.398 | 0.392 (0.1) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 0.9966 | |||||||
| 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] | 2.89 (1) | 2.89 (1) | ||||||
| Distance | [pc] | 345.71 (169) | 345.71 (169) | ||||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 16.50408421 (4) | 16.504 (4) | ||||||
| Proper motion (declination) | [mas/yr] | 20.79987398 (3) | 20.8 (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 | 21.40 (0.09) | 21.38 (0.09) | 21.38 (0.09) | ||||||
| g magnitude | 20.90 (0.03) | 20.94 (0.03) | 20.94 (0.03) | ||||||
| r magnitude | 20.78 (0.04) | 20.80 (0.05) | 20.80 (0.05) | ||||||
| i magnitude | 20.76 (0.06) | 20.79 (0.06) | 20.79 (0.06) | ||||||
| z magnitude | 20.67 (0.2) | 20.66 (0.2) | 20.66 (0.2) | ||||||
| G magnitude | 20.87 (0.2) | 20.96 | 20.87 (0.02) | ||||||
| BP magnitude | 21.18 (0.2) | 21.44 | |||||||
| RP magnitude | 20.44 (0.2) | 20.19 | |||||||
| Pan g magnitude | 20.97 (0.03) | ||||||||
| Pan r magnitude | 20.80 (0.02) | ||||||||
| Pan i magnitude | 20.73 (0.07) | ||||||||
| Pan z magnitude | 20.73 (0.1) | ||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.016 | ||||||||
* Constant surface field
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