SDSS J081225.83-003102.0
All names: Gaia EDR3 3083418422651497600, Gaia DR3 3083418422651497600, SDSS J081225.83-003102.0, SDSS J081225.82-003102.0, Gaia DR2 3083418422651497600, 2SLAQ J081225.83-003102.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 12 25.79 (0.6) | 08 12 25.83 | 08 12 25.79 (0.8) | 08 12 25.83 (0.6) | 08 12 25.83 | ||||||
| Declination | -00 31 02.04 (0.4) | -00 31 02.01 | -00 31 02.04 (0.6) | -00 31 02.05 (0.4) | -00 31 02.03 | ||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 7908.0 | 7757.0 | 10116.0 (53) | |||||||
| log(g) | [cgs] | 8.03 | 7.97 | 8.65 (1) | |||||||
| Mass | [M☉] | 0.611 | 0.559 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.1520 | 1.1640 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.87 (0.8) | 3.46 (1) | 2.87 (0.8) | |||||||
| Distance | [pc] | 348.82 (99) | 289.30 (96) | 348.82 (99) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -36.10337519 (0.7) | -36.16331187 (2) | -36.103 (0.7) | |||||||
| Proper motion (declination) | [mas/yr] | 0.244721587 (0.7) | -0.216630438 (1) | 0.245 (0.7) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.73 (0.06) | 20.73 (0.06) | 20.71 (0.06) | ||||||||
| g magnitude | 20.48 (0.02) | 20.47 (0.02) | 20.48 (0.02) | ||||||||
| r magnitude | 20.38 (0.03) | 20.34 (0.03) | 20.35 (0.03) | ||||||||
| i magnitude | 20.47 (0.04) | 20.38 (0.04) | 20.40 (0.04) | ||||||||
| z magnitude | 20.82 (0.2) | 20.60 (0.2) | 20.63 (0.2) | ||||||||
| G magnitude | 20.31 (0.2) | 20.37 | 20.31 (0.007) | ||||||||
| BP magnitude | 20.27 (0.2) | 20.21 | |||||||||
| RP magnitude | 19.79 (0.1) | 20.14 | |||||||||
| Pan g magnitude | 20.45 (0.03) | ||||||||||
| Pan r magnitude | 20.37 (0.01) | ||||||||||
| Pan i magnitude | 20.44 (0.03) | ||||||||||
| Pan z magnitude | 20.46 (0.05) | ||||||||||
| Pan y magnitude | 20.48 (0.3) | ||||||||||
| E(B-V) | 0.023 | ||||||||||
* Constant surface field
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