2QZ J125401.9-003403
All names: GALEX J125402.0-003402, SDSS J125402.01-003402.75, Gaia DR2 3688965140159404672, Gaia DR3 3688965140159404672, 2QZ J125401.9-003403, SDSS J125402.00-003402.7, Gaia EDR3 3688965140159404672, SDSS J125402.01-003402.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 54 02.00 (0.2) | 12 54 02.01 | 12 54 02.00 (0.3) | 12 54 02.00 (0.2) | ||||||
| Declination | -00 34 02.90 (0.1) | -00 34 02.72 | -00 34 02.89 (0.2) | -00 34 02.81 (0.1) | ||||||
| Spectral type | He-sdB | He-sdB | sdBHe | sdOB | ||||||
| Effective temperature | [K] | 26727.0 | 38621.0 (947) | |||||||
| log(g) | [cgs] | 6.64 | 5.52 (0.1) | |||||||
| Mass | [M☉] | 0.244 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.60 (0.3) | 0.52 (0.4) | 0.60 (0.3) | ||||||
| Distance | [pc] | 1661.59 (725) | 1919.52 (1302) | 1661.68 (725) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.895376683 (0.3) | -3.194150723 (0.9) | -2.895 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -5.667282224 (0.3) | -5.58538984 (0.4) | -5.667 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.65 (0.02) | 18.66 (0.02) | 18.65 (0.02) | |||||||
| g magnitude | 19.01 (0.01) | 19.02 (0.02) | 19.01 (0.01) | |||||||
| r magnitude | 19.57 (0.02) | 19.58 (0.02) | 19.57 (0.02) | |||||||
| i magnitude | 19.94 (0.03) | 19.94 (0.03) | 19.94 (0.03) | |||||||
| z magnitude | 20.18 (0.1) | 20.19 (0.1) | 20.18 (0.1) | |||||||
| G magnitude | 19.29 (0.03) | 19.34 | 19.29 (0.004) | |||||||
| BP magnitude | 19.20 (0.03) | 19.04 | ||||||||
| RP magnitude | 19.70 (0.07) | 19.61 | ||||||||
| Pan g magnitude | 19.10 (0.009) | |||||||||
| Pan r magnitude | 19.55 (0.01) | |||||||||
| Pan i magnitude | 19.90 (0.02) | |||||||||
| Pan z magnitude | 20.28 (0.03) | |||||||||
| Pan y magnitude | 20.20 (0.04) | |||||||||
| E(B-V) | 0.022 | |||||||||
* Constant surface field
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