SDSS J004521.64+255704.5
All names: SDSS J004521.64+255704.2, Gaia DR2 2808229113398180096, Gaia EDR3 2808229113398180096, GALEX J004521.5+255704, SDSS J004521.64+255704.5, Gaia DR3 2808229113398180096
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 45 21.65 (0.5) | 00 45 21.64 | 00 45 21.65 (0.8) | 00 45 21.63 (0.5) | 00 45 21.64 | |||||
| Declination | 25 57 04.33 (0.2) | 25 57 04.29 | 25 57 04.33 (0.7) | 25 57 04.38 (0.2) | 25 57 04.54 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 12951.0 | 15899.0 (426) | |||||||
| log(g) | [cgs] | 8.08 | 7.98 (0.09) | |||||||
| Mass | [M☉] | 0.658 | 0.603 (0.05) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.3421 | ||||||||
| 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] | 1.09 (0.6) | 1.95 (1) | 1.09 (0.6) | ||||||
| Distance | [pc] | 918.70 (479) | 512.46 (282) | 918.70 (479) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 15.07511446 (0.6) | 15.19248118 (2) | 15.075 (0.6) | ||||||
| Proper motion (declination) | [mas/yr] | -3.683269586 (0.5) | -2.833089241 (2) | -3.683 (0.5) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.37 (0.06) | 20.37 (0.06) | 20.55 (0.07) | |||||||
| g magnitude | 20.13 (0.02) | 20.12 (0.02) | 20.11 (0.04) | |||||||
| r magnitude | 20.34 (0.03) | 20.34 (0.03) | 20.40 (0.03) | |||||||
| i magnitude | 20.52 (0.05) | 20.54 (0.04) | 20.66 (0.06) | |||||||
| z magnitude | 20.56 (0.2) | 20.57 (0.2) | 20.81 (0.2) | |||||||
| G magnitude | 20.24 (0.06) | 20.32 | 20.24 (0.005) | |||||||
| BP magnitude | 20.25 (0.06) | 20.23 | ||||||||
| RP magnitude | 20.02 (0.08) | 20.35 | ||||||||
| Pan g magnitude | 20.13 (0.02) | |||||||||
| Pan r magnitude | 20.38 (0.02) | |||||||||
| Pan i magnitude | 20.61 (0.02) | |||||||||
| Pan z magnitude | 20.75 (0.05) | |||||||||
| Pan y magnitude | 20.52 (0.2) | |||||||||
| E(B-V) | 0.055 | |||||||||
* Constant surface field
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