SDSS J102009.46+083618.4
All names: SDSS J102009.46+083618.43, Gaia EDR3 3875592086330322816, SDSS J102009.46+083618.4, GALEX J102009.5+083619, Gaia DR2 3875592086330322816, Gaia DR3 3875592086330322816
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 20 09.44 (0.9) | 10 20 09.46 | 10 20 09.44 (1) | 10 20 09.46 (0.9) | ||||||
| Declination | 08 36 18.50 (0.5) | 08 36 18.43 | 08 36 18.51 (0.8) | 08 36 18.55 (0.5) | ||||||
| Spectral type | DC: | DC: | DC: | DC | ||||||
| Effective temperature | [K] | 6463.0 | 6348.0 | 9855.0 (1000) | ||||||
| log(g) | [cgs] | 6.78 | 6.49 | 6.50 (0.5) | ||||||
| Mass | [M☉] | 0.145 | 0.074 | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.67 (0.9) | 2.39 (1) | 2.67 (0.9) | ||||||
| Distance | [pc] | 374.24 (125) | 418.90 (172) | 374.24 (125) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -17.8418725 (0.9) | -16.72397862 (2) | -17.842 (0.9) | ||||||
| Proper motion (declination) | [mas/yr] | -2.628024916 (0.6) | -2.387480026 (2) | -2.628 (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 | 21.02 (0.08) | 21.02 (0.08) | 21.02 (0.08) | |||||||
| g magnitude | 20.51 (0.03) | 20.51 (0.03) | 20.51 (0.03) | |||||||
| r magnitude | 20.35 (0.03) | 20.35 (0.03) | 20.35 (0.03) | |||||||
| i magnitude | 20.44 (0.05) | 20.44 (0.05) | 20.44 (0.05) | |||||||
| z magnitude | 20.32 (0.2) | 20.32 (0.2) | 20.32 (0.2) | |||||||
| G magnitude | 20.43 (0.1) | 20.49 | 20.43 (0.009) | |||||||
| BP magnitude | 20.52 (0.1) | 19.89 | ||||||||
| RP magnitude | 19.90 (0.1) | 19.94 | ||||||||
| Pan g magnitude | 20.58 (0.04) | |||||||||
| Pan r magnitude | 20.40 (0.08) | |||||||||
| Pan i magnitude | 20.34 (0.04) | |||||||||
| Pan z magnitude | 20.32 (0.04) | |||||||||
| Pan y magnitude | 19.38 (0.09) | |||||||||
| E(B-V) | 0.025 | |||||||||
* Constant surface field
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