2QZ J125004.5+020517
All names: SDSS J125004.60+020518.3, Gaia EDR3 3702648596727152768, J1250+0205, SDSS J125004.61+020518.4, Gaia DR3 3702648596727152768, 2QZ J125004.5+020517, Gaia DR2 3702648596727152768, GALEX J125004.5+020518, SDSS J125004.61+020518.42
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Coutu et al. 2019 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 50 04.63 (0.3) | 12 50 04.61 | 12 50 04.55 | 12 50 04.63 (0.5) | 12 50 04.63 | 12 50 04.60 (0.3) | ||||||
| Declination | 02 05 18.31 (0.2) | 02 05 18.38 | 02 05 18.38 | 02 05 18.31 (0.3) | 02 05 18.31 | 02 05 18.47 (0.2) | ||||||
| Spectral type | DQ | DZ: | DZ: | DQ | DZ | DQ | ||||||
| Effective temperature | [K] | 7103.0 (184) | 7434.0 | 10683.0 (220) | 6974.0 (186) | |||||||
| log(g) | [cgs] | 7.86 | 8.04 | 8.00 (0) | 7.94 (0.09) | |||||||
| Mass | [M☉] | 0.4936 | 0.62 | 0.54 (0.08) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.2500 | 1.3810 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | -6.0412 (0.07) | |||||||||||
| log(Ca/He) | -9.682 (0.05) | |||||||||||
| 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] | 5.82 (0.4) | 5.34 | 5.34 (0.5) | 5.82 | 5.82 (0.4) | ||||||
| Distance | [pc] | 171.95 (11) | 187.18 (16) | 187.18 (16) | 171.95 | 171.95 (11) | ||||||
| Composition | He | He | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | 27.61808569 (0.5) | 29.12493326 (1) | 27.618 (0.5) | ||||||||
| Proper motion (declination) | [mas/yr] | -10.0944066 (0.4) | -10.53636824 (0.5) | -10.094 (0.4) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.19 (0.05) | 20.19 (0.05) | 20.19 (0.05) | |||||||||
| g magnitude | 19.80 (0.02) | 19.81 (0.03) | 19.80 (0.02) | |||||||||
| r magnitude | 19.68 (0.02) | 19.67 (0.03) | 19.68 (0.02) | |||||||||
| i magnitude | 19.70 (0.02) | 19.69 (0.03) | 19.70 (0.02) | |||||||||
| z magnitude | 19.57 (0.07) | 19.58 (0.07) | 19.57 (0.07) | |||||||||
| G magnitude | 19.63 (0.05) | 19.68 | 19.63 | 19.63 (0.004) | ||||||||
| BP magnitude | 19.86 (0.05) | 19.87 | ||||||||||
| RP magnitude | 19.33 (0.04) | 19.41 | ||||||||||
| Pan g magnitude | 19.80 (0.009) | |||||||||||
| Pan r magnitude | 19.64 (0.01) | |||||||||||
| Pan i magnitude | 19.64 (0.02) | |||||||||||
| Pan z magnitude | 19.78 (0.03) | |||||||||||
| Pan y magnitude | 19.78 (0.05) | |||||||||||
| E(B-V) | 0.014 | |||||||||||
* Constant surface field
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