SDSS J090827.08+092100.2
All names: Gaia EDR3 591265023536420992, SDSS J090827.08+092100.22, GALEX J090827.0+092100, SDSS J090827.08+092100.2, Gaia DR3 591265023536420992, Gaia DR2 591265023536420992
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 08 27.07 (0.1) | 09 08 27.09 | 09 08 27.07 (0.2) | 09 08 27.07 | 09 08 27.09 (0.1) | |||||||
| Declination | 09 21 00.19 (0.09) | 09 21 00.24 | 09 21 00.19 (0.1) | 09 21 00.19 | 09 21 00.27 (0.09) | |||||||
| Spectral type | DAH | DAH: | DAH: | DQ | DAH | hotDQ | ||||||
| Effective temperature | [K] | 29292.7 (1661) | 23021.0 | 100000.0 (794) | 18735.0 (1260) | |||||||
| log(g) | [cgs] | 8.93 (0.07) | 8.76 | 10.00 (0.5) | 8.66 (0.03) | |||||||
| Mass | [M☉] | 1.1773766207457557 (0.07) | 1.089 | 1.012 (0.02) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2119 | ||||||||||
| 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] | 5.46 (0.2) | 5.43 (0.2) | 5.46 | 5.46 (0.2) | |||||||
| Distance | [pc] | 183.05 (5) | 184.32 (7) | 183.05 | 183.05 (5) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -14.53259603 (0.2) | -14.50262693 (0.3) | -14.533 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | -5.050051651 (0.1) | -5.190449587 (0.2) | -5.05 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | yes | |||||||||||
| Bd | [MG] | 51.54851573133763 | ||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 18.61 (0.04) | |||||||||||
| H magnitude | 18.80 (0.1) | |||||||||||
| K magnitude | ||||||||||||
| u magnitude | 17.74 (0.01) | 17.78 (0.02) | 17.75 (0.01) | |||||||||
| g magnitude | 17.91 (0.006) | 17.93 (0.02) | 17.91 (0.006) | |||||||||
| r magnitude | 18.35 (0.008) | 18.35 (0.02) | 18.34 (0.008) | |||||||||
| i magnitude | 18.69 (0.01) | 18.70 (0.03) | 18.69 (0.01) | |||||||||
| z magnitude | 18.92 (0.04) | 18.92 (0.04) | 18.92 (0.04) | |||||||||
| G magnitude | 18.15 (0.01) | 18.18 | 18.15 | 18.15 (0.003) | ||||||||
| BP magnitude | 18.06 (0.01) | 18.02 | ||||||||||
| RP magnitude | 18.40 (0.02) | 18.38 | ||||||||||
| Pan g magnitude | 17.99 (0.005) | |||||||||||
| Pan r magnitude | 18.35 (0.005) | |||||||||||
| Pan i magnitude | 18.71 (0.01) | |||||||||||
| Pan z magnitude | 18.98 (0.03) | |||||||||||
| Pan y magnitude | 19.12 (0.02) | |||||||||||
| E(B-V) | 0.012 | |||||||||||
* Constant surface field
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