SDSS J012146.75+380227.0
All names: SDSS J012146.75+380227.0, SDSS J012146.75+380226.9, GALEX J012146.6+380226, Gaia EDR3 323415744673368704, SDSS J012146.74+380226.9, Gaia DR3 323415744673368704, Gaia DR2 323415744673368704
| 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 | 01 21 46.76 (0.5) | 01 21 46.74 | 01 21 46.76 (0.7) | 01 21 46.74 (0.5) | 01 21 46.75 | ||||||
| Declination | 38 02 26.70 (0.5) | 38 02 26.92 | 38 02 26.71 (0.9) | 38 02 27.04 (0.5) | 38 02 26.95 | ||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 10817.0 | 10418.0 | 10723.0 (392) | |||||||
| log(g) | [cgs] | 8.91 | 8.82 | 8.09 (0.5) | |||||||
| Mass | [M☉] | 1.157 | 1.097 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 2.0960 | 2.0370 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 4.83 (0.7) | 4.59 (1) | 4.83 (0.7) | |||||||
| Distance | [pc] | 206.89 (31) | 218.07 (49) | 206.89 (31) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 10.74474932 (0.6) | 10.06899039 (2) | 10.745 (0.6) | |||||||
| Proper motion (declination) | [mas/yr] | -21.41985441 (0.6) | -23.61519444 (2) | -21.42 (0.6) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.41 (0.04) | 20.41 (0.04) | 20.42 (0.05) | ||||||||
| g magnitude | 20.18 (0.02) | 20.18 (0.02) | 20.20 (0.02) | ||||||||
| r magnitude | 20.26 (0.02) | 20.26 (0.02) | 20.29 (0.02) | ||||||||
| i magnitude | 20.49 (0.04) | 20.49 (0.04) | 20.50 (0.04) | ||||||||
| z magnitude | 20.40 (0.1) | 20.40 (0.1) | 20.41 (0.1) | ||||||||
| G magnitude | 20.22 (0.1) | 20.29 | 20.22 (0.008) | ||||||||
| BP magnitude | 20.13 (0.1) | 20.25 | |||||||||
| RP magnitude | 20.09 (0.1) | 20.23 | |||||||||
| Pan g magnitude | 20.21 (0.01) | ||||||||||
| Pan r magnitude | 20.28 (0.02) | ||||||||||
| Pan i magnitude | 20.50 (0.03) | ||||||||||
| Pan z magnitude | 20.57 (0.1) | ||||||||||
| Pan y magnitude | 20.64 (0.2) | ||||||||||
| E(B-V) | 0.023 | ||||||||||
* Constant surface field
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