SDSS J130914.83+663912.4
All names: SDSS J130914.83+663912.45, SDSS J130914.83+663912.4, Gaia DR2 1678538708938613888, GALEX J130914.8+663912, Gaia EDR3 1678538708938613888, Gaia DR3 1678538708938613888
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 09 14.82 (0.7) | 13 09 14.81 | 13 09 14.82 (0.9) | 13 09 14.82 (0.7) | ||||||
| Declination | 66 39 12.38 (0.8) | 66 39 12.24 | 66 39 12.38 (1) | 66 39 12.23 (0.8) | ||||||
| Spectral type | DC: | DC: | DC: | DC | ||||||
| Effective temperature | [K] | 8155.0 | 8008.0 | 9332.0 (439) | ||||||
| log(g) | [cgs] | 8.57 | 8.52 | 8.00 (0) | ||||||
| Mass | [M☉] | 0.965 | 0.917 | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 2.9220 | 2.8090 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.90 (0.8) | 4.02 (1) | 3.90 (0.8) | ||||||
| Distance | [pc] | 256.10 (55) | 248.68 (62) | 256.10 (55) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.436895162 (1) | -0.116499793 (2) | -1.437 (1) | ||||||
| Proper motion (declination) | [mas/yr] | 9.43392119 (2) | 8.104487143 (2) | 9.434 (2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 21.28 (0.1) | 21.25 (0.1) | 21.25 (0.1) | |||||||
| g magnitude | 20.80 (0.03) | 20.80 (0.03) | 20.80 (0.03) | |||||||
| r magnitude | 20.87 (0.05) | 20.86 (0.05) | 20.86 (0.05) | |||||||
| i magnitude | 21.03 (0.08) | 21.01 (0.09) | 21.01 (0.09) | |||||||
| z magnitude | 20.78 (0.2) | 20.74 (0.3) | 20.74 (0.3) | |||||||
| G magnitude | 20.79 (0.2) | 20.92 | 20.79 (0.01) | |||||||
| BP magnitude | 20.81 (0.2) | 21.22 | ||||||||
| RP magnitude | 20.51 (0.2) | 20.60 | ||||||||
| Pan g magnitude | 20.85 (0.03) | |||||||||
| Pan r magnitude | 20.74 (0.03) | |||||||||
| Pan i magnitude | 20.85 (0.04) | |||||||||
| Pan z magnitude | 20.55 (0.1) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.015 | |||||||||
* Constant surface field
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