SDSS J025622.18+330944.7
All names: Gaia DR2 136502959840114560, SDSS J025622.18+330944.8, SDSS J025622.18+330944.7, GALEX J025622.1+330944, Gaia EDR3 136502959840114560, Gaia DR3 136502959840114560
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 56 22.19 (0.5) | 02 56 22.19 | 02 56 22.19 (0.5) | 02 56 22.19 (0.5) | 02 56 22.18 | |||||
| Declination | 33 09 44.74 (0.5) | 33 09 44.75 | 33 09 44.74 (0.5) | 33 09 44.74 (0.5) | 33 09 44.76 | |||||
| Spectral type | DAO | D+M | D+M | DO | DO | |||||
| Effective temperature | [K] | 73763.0 (14363) | 12468.0 | 14323.0 | 72727.0 (8606) | |||||
| log(g) | [cgs] | 6.94 (0.6) | 6.84 | 7.01 | 6.58 (0.4) | |||||
| Mass | [M☉] | 0.41 (0.1) | 0.207 | 0.227 | ||||||
| log(Luminosity) | [L☉] | 1.54 (0.6) | ||||||||
| Cooling age | [Gyr] | 0.0001 | 0.0908 | |||||||
| 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] | -0.68 (0.6) | -1.03 (0.6) | |||||||
| Distance | [pc] | |||||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.498241613 (0.8) | 0.738003719 (1) | 1.498 (0.8) | ||||||
| Proper motion (declination) | [mas/yr] | 0.057559831 (0.8) | 2.46707176 (1) | 0.058 (0.8) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.27 (0.03) | 19.30 (0.03) | 19.32 (0.03) | |||||||
| g magnitude | 19.69 (0.01) | 19.70 (0.02) | 19.75 (0.02) | |||||||
| r magnitude | 20.01 (0.02) | 20.02 (0.02) | 20.05 (0.02) | |||||||
| i magnitude | 20.21 (0.04) | 20.21 (0.04) | 20.24 (0.04) | |||||||
| z magnitude | 20.01 (0.1) | 20.01 (0.1) | 20.06 (0.1) | |||||||
| G magnitude | 19.89 (0.04) | 19.91 | 19.89 (0.007) | |||||||
| BP magnitude | 19.75 (0.04) | 19.76 | ||||||||
| RP magnitude | 19.90 (0.1) | 20.01 | ||||||||
| Pan g magnitude | 19.72 (0.01) | |||||||||
| Pan r magnitude | 20.07 (0.02) | |||||||||
| Pan i magnitude | 20.23 (0.02) | |||||||||
| Pan z magnitude | 20.36 (0.09) | |||||||||
| Pan y magnitude | 20.06 (0.3) | |||||||||
| E(B-V) | ||||||||||
* Constant surface field
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