LP 427-50
All names: WDJ092834.07+145831.10, Gaia DR2 618571635330439040, LSPM J0928+1458, LP 427-50, Gaia DR3 618571635330439040, SDSS J092833.98+145830.27, SDSS J092833.98+145830.2, J0928+1458, Gaia EDR3 618571635330439040, NLTT 21842, USNO-B1.0 1049-00179695
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Caron et al. 2023 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 28 33.82 (0.2) | 09 28 33.98 | 09 28 33.82 (0.5) | 09 28 33.82 | 09 28 34.07 (0.2) | 09 28 33.82 | |||||||
| Declination | 14 58 28.83 (0.2) | 14 58 30.25 | 14 58 28.90 (0.6) | 14 58 28.83 | 14 58 31.10 (0.2) | 14 58 28.90 | |||||||
| Spectral type | DC | DZ | DZ | DC | DZ | DC | |||||||
| Effective temperature | [K] | 5290.0 (31) | 5545.0 | 6181.0 (1000) | 5704.0 (65) | ||||||||
| log(g) | [cgs] | 8.16 (0.02) | 8.30 | 8.00 (0) | 8.36 (0.02) | ||||||||
| Mass | [M☉] | 0.668 (0.02) | 0.78 | 0.821 (0.02) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 6.0600 | 5.7530 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | -10.147 (0.1) | ||||||||||||
| log(Ca/H) | |||||||||||||
| log(N/He) | |||||||||||||
| log(O/He) | |||||||||||||
| log(Na/He) | |||||||||||||
| log(Mg/He) | |||||||||||||
| log(Al/He) | |||||||||||||
| log(Si/He) | |||||||||||||
| log(P/He) | |||||||||||||
| log(S/He) | |||||||||||||
| log(Cl/He) | |||||||||||||
| log(Sc/He) | |||||||||||||
| log(Ti/He) | |||||||||||||
| log(V/He) | |||||||||||||
| log(Cr/He) | |||||||||||||
| log(Mn/He) | |||||||||||||
| log(Fe/He) | |||||||||||||
| log(Co/He) | |||||||||||||
| log(Ni/He) | |||||||||||||
| log(Cu/He) | |||||||||||||
| log(Zn/He) | |||||||||||||
| log(Ga/He) | |||||||||||||
| log(Ge/He) | |||||||||||||
| log(Sr/He) | |||||||||||||
| Parallax | [mas] | 22.14 (0.2) | 22.36 (0.3) | 22.36 (0.3) | 22.14 | 22.14 (0.2) | 22.36 (0.3) | ||||||
| Distance | [pc] | 45.16 (0.3) | 44.72 (0.5) | 44.73 (0.5) | 45.16 | 45.16 (0.3) | 44.73 (0.5) | ||||||
| Composition | He | He | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -231.0838428 (0.2) | -231.2672695 (0.6) | -231.084 (0.2) | -231.2672695 | ||||||||
| Proper motion (declination) | [mas/yr] | -142.1956216 (0.2) | -142.162401 (0.9) | -142.196 (0.2) | -142.162401 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.50 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 17.80 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.06 (0.03) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.56 (0.03) | 19.56 (0.03) | 19.56 (0.03) | 19.56 (0.03) | 19.56 (0.03) | ||||||||
| g magnitude | 18.51 (0.007) | 18.51 (0.01) | 18.51 (0.007) | 18.51 (0.007) | |||||||||
| r magnitude | 18.05 (0.007) | 18.05 (0.01) | 18.05 (0.007) | 18.05 (0.007) | |||||||||
| i magnitude | 17.84 (0.007) | 17.84 (0.01) | 17.84 (0.007) | 17.84 (0.007) | |||||||||
| z magnitude | 17.78 (0.02) | 17.78 (0.02) | 17.78 (0.02) | 17.78 (0.02) | |||||||||
| G magnitude | 18.06 (0.02) | 18.08 | 18.06 | 18.06 (0.003) | 18.08 | ||||||||
| BP magnitude | 18.42 (0.02) | 18.41 | 18.41 | ||||||||||
| RP magnitude | 17.53 (0.01) | 17.53 | 17.53 | ||||||||||
| Pan g magnitude | 18.48 (0.008) | 18.48 (0.007) | |||||||||||
| Pan r magnitude | 18.04 (0.004) | 18.04 (0.004) | |||||||||||
| Pan i magnitude | 17.86 (0.005) | 17.86 (0.006) | |||||||||||
| Pan z magnitude | 17.83 (0.01) | 17.83 (0.009) | |||||||||||
| Pan y magnitude | 17.79 (0.02) | 17.79 (0.02) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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