Gaia DR2 1050272718241775488
All names: LSPM J0954+6022, SDSS J095446.09+602256.7, USNO-B1.0 1503-00190094, J0954+6022, NLTT 22872, GALEX J095446.0+602256, SDSS J095446.09+602256.6, LP 91-120, Gaia EDR3 1050272718241775488, WDJ095446.10+602256.70, Gaia DR2 1050272718241775488, WDJ095446.1+602256.70, Gaia DR3 1050272718241775488
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 54 45.79 (0.09) | 09 54 45.80 | 09 54 45.79 | 09 54 46.10 (0.09) | 09 54 45.80 | ||||||||
| Declination | 60 22 54.51 (0.09) | 60 22 54.58 | 60 22 54.51 | 60 22 56.70 (0.09) | 60 22 54.58 | ||||||||
| Spectral type | DC | DC | DC | DC: | DC | ||||||||
| Effective temperature | [K] | 6378.0 (57) | 6041.0 (53) | 6047.0 (54) | 6588.0 | 6365.0 | 5936.0 (135) | ||||||
| log(g) | [cgs] | 8.20 (0.02) | 8.00 (0.02) | 8.01 (0.02) | 8.28 | 8.18 | 8.08 (0.03) | ||||||
| Mass | [M☉] | 0.698 (0.02) | 0.572 (0.02) | 0.575 (0.02) | 0.77 | 0.684 | 0.623 (0.03) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.4900 | 3.2590 | 3.0680 | |||||||||
| log(H/He) | -3.0 | -3 | |||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| 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] | 13.83 (0.1) | 13.68 (0.2) | 13.68 (0.2) | 13.83 | 13.83 (0.1) | 13.68 (0.2) | ||||||
| Distance | [pc] | 72.29 (0.7) | 73.10 (1) | 73.10 (1) | 72.29 | 72.29 (0.7) | 73.10 (1) | ||||||
| Composition | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -144.0303586 (0.1) | -144.2586782 (0.3) | -144.03 (0.1) | -144.2586782 | ||||||||
| Proper motion (declination) | [mas/yr] | -137.0687353 (0.1) | -137.3439264 (0.3) | -137.069 (0.1) | -137.3439264 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.70 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.10 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.34 (0.03) | 19.34 (0.03) | 19.30 (0.03) | ||||||||||
| g magnitude | 18.62 (0.008) | 18.62 (0.008) | |||||||||||
| r magnitude | 18.39 (0.008) | 18.38 (0.008) | |||||||||||
| i magnitude | 18.33 (0.01) | 18.32 (0.01) | |||||||||||
| z magnitude | 18.32 (0.03) | 18.31 (0.03) | |||||||||||
| G magnitude | 18.38 (0.01) | 18.40 | 18.38 | 18.38 (0.003) | 18.40 | ||||||||
| BP magnitude | 18.62 (0.01) | 18.63 | 18.63 | ||||||||||
| RP magnitude | 17.98 (0.02) | 18.01 | 18.01 | ||||||||||
| Pan g magnitude | 18.63 (0.01) | 18.63 (0.01) | |||||||||||
| Pan r magnitude | 18.38 (0.007) | 18.38 (0.009) | |||||||||||
| Pan i magnitude | 18.35 (0.006) | 18.35 (0.005) | |||||||||||
| Pan z magnitude | 18.35 (0.009) | 18.35 (0.01) | |||||||||||
| Pan y magnitude | 18.38 (0.04) | 18.38 (0.04) | |||||||||||
| E(B-V) | 0.003 | ||||||||||||
* Constant surface field
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