SDSS J123833.74-021009.8
All names: 2QZ J123833.8-021011, Gaia DR2 3683259636884122752, SDSS J123833.74-021009.8, SDSS J123833.75-021009.9, Gaia EDR3 3683259636884122752, Gaia DR3 3683259636884122752
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 38 33.70 (0.5) | 12 38 33.75 | 12 38 33.70 (0.7) | 12 38 33.74 (0.5) | 12 38 33.75 | ||||||
| Declination | -02 10 09.71 (0.2) | -02 10 09.88 | -02 10 09.71 (0.4) | -02 10 09.80 (0.2) | -02 10 09.90 | ||||||
| Spectral type | DC: | DC: | DC | DC | DC | ||||||
| Effective temperature | [K] | 10125.0 | 10257.0 | 10496.0 (286) | |||||||
| log(g) | [cgs] | 8.07 | 8.03 | 9.39 (0.4) | |||||||
| Mass | [M☉] | 0.646 | 0.597 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.6488 | 0.6062 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.50 (0.5) | 2.71 (0.8) | 2.50 (0.5) | |||||||
| Distance | [pc] | 399.85 (74) | 369.01 (104) | 399.84 (74) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -43.47284481 (0.6) | -41.94501424 (2) | -43.473 (0.6) | |||||||
| Proper motion (declination) | [mas/yr] | 5.98528027 (0.4) | 5.95863796 (0.8) | 5.985 (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 | 20.16 (0.04) | 20.16 (0.04) | 20.16 (0.04) | ||||||||
| g magnitude | 20.05 (0.02) | 20.06 (0.02) | 20.06 (0.03) | ||||||||
| r magnitude | 20.12 (0.03) | 20.12 (0.03) | 20.13 (0.03) | ||||||||
| i magnitude | 20.26 (0.05) | 20.26 (0.05) | 20.26 (0.05) | ||||||||
| z magnitude | 20.73 (0.3) | 20.72 (0.3) | 20.81 (0.3) | ||||||||
| G magnitude | 20.07 (0.05) | 20.14 | 20.07 (0.005) | ||||||||
| BP magnitude | 20.18 (0.05) | 19.90 | |||||||||
| RP magnitude | 20.08 (0.08) | 19.66 | |||||||||
| Pan g magnitude | 20.06 (0.01) | ||||||||||
| Pan r magnitude | 20.18 (0.01) | ||||||||||
| Pan i magnitude | 20.37 (0.05) | ||||||||||
| Pan z magnitude | 20.45 (0.02) | ||||||||||
| Pan y magnitude | 19.88 (0.4) | ||||||||||
| E(B-V) | 0.024 | ||||||||||
* Constant surface field
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