SDSS J003122.28+080920.4
All names: Gaia DR2 2749745819334532864, Gaia DR3 2749745819334532864, SDSS J003122.28+080920.4, SDSS J003122.27+080920.4, Gaia EDR3 2749745819334532864, SDSS J003122.28+080920.3, GALEX J003122.2+080920
| 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 | 00 31 22.29 (0.5) | 00 31 22.28 | 00 31 22.29 (0.7) | 00 31 22.28 (0.5) | 00 31 22.28 | ||||||
| Declination | 08 09 20.37 (0.3) | 08 09 20.37 | 08 09 20.37 (0.4) | 08 09 20.38 (0.3) | 08 09 20.41 | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 45031.0 (3536) | 21370.0 | 47773.0 (2445) | |||||||
| log(g) | [cgs] | 8.14 (0.3) | 6.57 | 8.12 (0.2) | |||||||
| Mass | [M☉] | 0.75 (0.2) | 0.187 | 0.734 (0.1) | |||||||
| log(Luminosity) | [L☉] | -0.26 (0.3) | |||||||||
| Cooling age | [Gyr] | 0.0025 (0.0005) | |||||||||
| 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] | 0.24 (0.5) | -0.48 (0.7) | 0.24 (0.5) | |||||||
| Distance | [pc] | 4180.24 (8946) | 4180.60 (8947) | ||||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 8.711645049 (0.7) | 8.872800496 (2) | 8.712 (0.7) | |||||||
| Proper motion (declination) | [mas/yr] | -0.281754221 (0.4) | -0.245390724 (0.9) | -0.282 (0.4) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.38 (0.03) | 19.39 (0.03) | 19.39 (0.03) | ||||||||
| g magnitude | 19.77 (0.02) | 19.76 (0.03) | 19.76 (0.03) | ||||||||
| r magnitude | 20.30 (0.03) | 20.30 (0.03) | 20.30 (0.03) | ||||||||
| i magnitude | 20.57 (0.06) | 20.61 (0.06) | 20.61 (0.06) | ||||||||
| z magnitude | 20.71 (0.3) | 20.88 (0.3) | |||||||||
| G magnitude | 20.02 (0.04) | 20.08 | 20.02 (0.005) | ||||||||
| BP magnitude | 19.90 (0.04) | 19.80 | |||||||||
| RP magnitude | 20.29 (0.09) | 20.40 | |||||||||
| Pan g magnitude | 19.85 (0.01) | ||||||||||
| Pan r magnitude | 20.24 (0.01) | ||||||||||
| Pan i magnitude | 20.59 (0.02) | ||||||||||
| Pan z magnitude | 20.53 (0.1) | ||||||||||
| Pan y magnitude | 19.14 (0.2) | ||||||||||
| E(B-V) | 0.030 | ||||||||||
* Constant surface field
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