SDSS J090112.44+025244.4
All names: SDSS J090112.45+025244.4, SDSS J090112.44+025244.5, SDSS J090112.44+025244.4, SDSS J090112.45+025244.5, GALEX J090112.4+025244, Gaia EDR3 578192483117231872, Gaia DR2 578192483117231872, Gaia DR3 578192483117231872
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 01 12.43 (0.2) | 09 01 12.45 | 09 01 12.43 (0.3) | 09 01 12.45 (0.2) | 09 01 12.45 | ||||||
| Declination | 02 52 44.51 (0.2) | 02 52 44.46 | 02 52 44.50 (0.3) | 02 52 44.42 (0.2) | 02 52 44.47 | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 43914.0 (1237) | 18568.0 | 43636.0 (642) | |||||||
| log(g) | [cgs] | 7.75 (0.1) | 7.36 | 7.62 (0.07) | |||||||
| Mass | [M☉] | 0.56 (0.05) | 0.345 | 0.52 (0.03) | |||||||
| log(Luminosity) | [L☉] | -0.04 (0.1) | |||||||||
| Cooling age | [Gyr] | 0.0028 (0.0004) | 0.0351 | ||||||||
| 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] | 0.82 (0.3) | 1.49 (0.4) | 0.82 (0.3) | |||||||
| Distance | [pc] | 1213.06 (368) | 672.24 (180) | 1213.00 (368) | |||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -13.78520621 (0.3) | -12.92103166 (0.8) | -13.785 (0.3) | |||||||
| Proper motion (declination) | [mas/yr] | 5.103511266 (0.2) | 6.056996422 (0.7) | 5.104 (0.2) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.52 (0.02) | 18.52 (0.02) | 18.52 (0.02) | ||||||||
| g magnitude | 18.87 (0.009) | 18.87 (0.009) | 18.88 (0.04) | ||||||||
| r magnitude | 19.31 (0.01) | 19.31 (0.01) | 19.29 (0.02) | ||||||||
| i magnitude | 19.71 (0.02) | 19.71 (0.02) | 19.70 (0.03) | ||||||||
| z magnitude | 20.05 (0.1) | 20.05 (0.1) | 20.09 (0.1) | ||||||||
| G magnitude | 19.07 (0.03) | 19.13 | 19.07 (0.004) | ||||||||
| BP magnitude | 18.97 (0.03) | 18.93 | |||||||||
| RP magnitude | 19.28 (0.05) | 19.28 | |||||||||
| Pan g magnitude | 18.93 (0.006) | ||||||||||
| Pan r magnitude | 19.29 (0.005) | ||||||||||
| Pan i magnitude | 19.64 (0.01) | ||||||||||
| Pan z magnitude | 19.93 (0.02) | ||||||||||
| Pan y magnitude | 19.92 (0.02) | ||||||||||
| E(B-V) | 0.039 | ||||||||||
* Constant surface field
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