SDSS J204149.38+003555.7
All names: Gaia DR3 4228261334293688576, Gaia DR2 4228261334293688576, SDSS J204149.38+003555.7, Gaia EDR3 4228261334293688576, SDSS J204149.38+003555.8, GALEX J204149.4+003556
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 41 49.38 (0.2) | 20 41 49.39 | 20 41 49.38 (0.4) | 20 41 49.39 (0.2) | 20 41 49.39 | |||||
| Declination | 00 35 55.78 (0.1) | 00 35 55.80 | 00 35 55.78 (0.2) | 00 35 55.80 (0.1) | 00 35 55.80 | |||||
| Spectral type | sd | sd | B | SD_auto | ||||||
| Effective temperature | [K] | 13069.0 | 15629.0 | 27938.0 (434) | ||||||
| log(g) | [cgs] | 6.19 | 6.56 | 5.00 (0.007) | ||||||
| Mass | [M☉] | 0.11 | 0.169 | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.43 (0.3) | 0.97 (0.4) | 0.43 (0.3) | ||||||
| Distance | [pc] | 2331.42 (1769) | 1035.44 (383) | 2331.55 (1769) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.883233933 (0.4) | -0.353050275 (0.7) | -0.883 (0.4) | 4.1 | |||||
| Proper motion (declination) | [mas/yr] | -1.511355307 (0.3) | -2.251952047 (0.4) | -1.511 (0.3) | 1.4 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.97 (0.02) | 18.97 (0.02) | 18.94 (0.03) | |||||||
| g magnitude | 18.77 (0.009) | 18.77 (0.009) | 18.79 (0.01) | |||||||
| r magnitude | 19.10 (0.01) | 19.10 (0.01) | 19.10 (0.02) | |||||||
| i magnitude | 19.36 (0.02) | 19.36 (0.02) | 19.35 (0.02) | |||||||
| z magnitude | 19.61 (0.07) | 19.61 (0.06) | 19.62 (0.06) | |||||||
| G magnitude | 18.95 (0.03) | 18.99 | 18.95 (0.004) | |||||||
| BP magnitude | 18.87 (0.03) | 18.88 | ||||||||
| RP magnitude | 19.12 (0.04) | 19.17 | ||||||||
| Pan g magnitude | 18.83 (0.007) | |||||||||
| Pan r magnitude | 19.13 (0.004) | |||||||||
| Pan i magnitude | 19.43 (0.008) | |||||||||
| Pan z magnitude | 19.60 (0.02) | |||||||||
| Pan y magnitude | 19.63 (0.09) | |||||||||
| E(B-V) | 0.050 | |||||||||
* Constant surface field
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