SDSS J015727.80+160856.4
All names: Gaia DR2 90660987182994688, GALEX J015727.7+160857, Gaia EDR3 90660987182994688, SDSS J015727.79+160856.4, Gaia DR3 90660987182994688, SDSS J015727.80+160856.4, SDSS J015727.80+160856.41
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 57 27.82 (0.8) | 01 57 27.80 | 01 57 27.82 (0.9) | 01 57 27.75 (0.8) | |||||||
| Declination | 16 08 56.18 (0.6) | 16 08 56.41 | 16 08 56.19 (0.9) | 16 08 56.64 (0.6) | |||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 7128.0 | 6941.0 | 11160.0 (536) | |||||||
| log(g) | [cgs] | 7.98 | 7.90 | 6.83 (0.5) | |||||||
| Mass | [M☉] | 0.582 | 0.514 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.4180 | 1.3900 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 3.74 (0.8) | 3.85 (1) | 3.74 (0.8) | |||||||
| Distance | [pc] | 267.47 (61) | 259.89 (67) | 267.47 (61) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 62.0518912 (0.9) | 60.42026965 (2) | 62.052 (0.9) | |||||||
| Proper motion (declination) | [mas/yr] | -28.90289262 (0.8) | -26.7792248 (2) | -28.903 (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 | 21.39 (0.1) | 21.39 (0.1) | 21.39 (0.1) | ||||||||
| g magnitude | 20.64 (0.02) | 20.64 (0.02) | 20.64 (0.03) | ||||||||
| r magnitude | 20.42 (0.03) | 20.42 (0.03) | 20.42 (0.03) | ||||||||
| i magnitude | 20.48 (0.05) | 20.48 (0.05) | 20.49 (0.05) | ||||||||
| z magnitude | 20.30 (0.2) | 20.30 (0.2) | 20.31 (0.2) | ||||||||
| G magnitude | 20.45 (0.1) | 20.52 | 20.45 (0.009) | ||||||||
| BP magnitude | 20.48 (0.1) | 20.41 | |||||||||
| RP magnitude | 19.99 (0.09) | 20.14 | |||||||||
| Pan g magnitude | 20.57 (0.03) | ||||||||||
| Pan r magnitude | 20.48 (0.05) | ||||||||||
| Pan i magnitude | 20.43 (0.03) | ||||||||||
| Pan z magnitude | 20.46 (0.04) | ||||||||||
| Pan y magnitude | 20.14 (0.2) | ||||||||||
| E(B-V) | 0.043 | ||||||||||
* Constant surface field
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