SDSS J084522.95+150020.4
All names: Gaia DR3 609578695367162880, SDSS J084522.94+150020.3, SDSS J084522.95+150020.4, Gaia DR2 609578695367162880, Gaia EDR3 609578695367162880, GALEX J084522.9+150021, SDSS J084522.95+150020.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 45 22.94 (0.3) | 08 45 22.95 | 08 45 22.94 (0.6) | 08 45 22.96 (0.3) | 08 45 22.95 | ||||||
| Declination | 15 00 20.32 (0.2) | 15 00 20.36 | 15 00 20.32 (0.4) | 15 00 20.36 (0.2) | 15 00 20.36 | ||||||
| Spectral type | DA | DAH | DAH | DAH | DA | ||||||
| Effective temperature | [K] | 17977.8 (325) | 14042.0 | 17904.0 (432) | |||||||
| log(g) | [cgs] | 7.04 (0.2) | 6.79 | 7.79 (0.1) | |||||||
| Mass | [M☉] | 0.2674430753961566 (0.1) | 0.209 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| 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] | 1.22 (0.4) | 1.01 (0.6) | 1.22 (0.4) | |||||||
| Distance | [pc] | 818.45 (290) | 989.11 (634) | 818.46 (290) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.53299171 (0.5) | -13.37954801 (1) | -13.533 (0.5) | |||||||
| Proper motion (declination) | [mas/yr] | -2.38960265 (0.3) | -2.532859971 (0.8) | -2.39 (0.3) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.54 (0.03) | 19.54 (0.03) | 19.51 (0.03) | ||||||||
| g magnitude | 19.36 (0.01) | 19.36 (0.01) | 19.35 (0.02) | ||||||||
| r magnitude | 19.67 (0.02) | 19.67 (0.02) | 19.66 (0.02) | ||||||||
| i magnitude | 19.97 (0.03) | 19.97 (0.03) | 19.95 (0.03) | ||||||||
| z magnitude | 20.33 (0.1) | 20.33 (0.1) | 20.22 (0.1) | ||||||||
| G magnitude | 19.52 (0.03) | 19.58 | 19.52 (0.004) | ||||||||
| BP magnitude | 19.52 (0.03) | 19.51 | |||||||||
| RP magnitude | 19.68 (0.1) | 19.47 | |||||||||
| Pan g magnitude | 19.41 (0.01) | ||||||||||
| Pan r magnitude | 19.68 (0.007) | ||||||||||
| Pan i magnitude | 20.00 (0.02) | ||||||||||
| Pan z magnitude | 20.20 (0.04) | ||||||||||
| Pan y magnitude | 20.30 (0.3) | ||||||||||
| E(B-V) | 0.030 | ||||||||||
* Constant surface field
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