SDSS J233131.37-092739.0
All names: Gaia DR2 2437437474268896256, SDSS J233131.37-092739.0, Gaia EDR3 2437437474268896256, Gaia DR3 2437437474268896256, GALEX J233131.3-092739, SDSS J233131.36-092739.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 31 31.32 (0.2) | 23 31 31.37 | 23 31 31.32 (0.4) | 23 31 31.32 | 23 31 31.37 (0.2) | 23 31 31.37 | ||||||
| Declination | -09 27 40.16 (0.2) | -09 27 39.01 | -09 27 40.12 (0.3) | -09 27 40.16 | -09 27 39.03 (0.2) | -09 27 39.00 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 8134.0 | 7850.0 | 7474.0 (360) | 10094.0 (26) | |||||||
| log(g) | [cgs] | 8.43 | 8.35 | 8.03 (0.09) | 9.36 (0.5) | |||||||
| Mass | [M☉] | 0.87 | 0.8 | 0.596 (0.08) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 2.3350 | 2.2600 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 7.34 (0.3) | 8.20 (0.6) | 7.34 | 7.34 (0.3) | |||||||
| Distance | [pc] | 136.15 (5) | 121.97 (9) | 136.15 | 136.15 (5) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -43.17459576 (0.3) | -43.04844787 (0.6) | -43.175 (0.3) | ||||||||
| Proper motion (declination) | [mas/yr] | -70.19071383 (0.2) | -70.77980743 (0.6) | -70.191 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.45 (0.03) | 19.45 (0.03) | 19.44 (0.04) | |||||||||
| g magnitude | 19.08 (0.01) | 19.08 (0.01) | 19.08 (0.04) | |||||||||
| r magnitude | 18.98 (0.01) | 18.98 (0.01) | 19.03 (0.03) | |||||||||
| i magnitude | 18.98 (0.02) | 18.98 (0.01) | 19.05 (0.02) | |||||||||
| z magnitude | 19.06 (0.06) | 19.06 (0.06) | 19.11 (0.08) | |||||||||
| G magnitude | 19.00 (0.03) | 19.04 | 19.00 | 19.00 (0.004) | ||||||||
| BP magnitude | 19.19 (0.03) | 19.05 | ||||||||||
| RP magnitude | 18.71 (0.03) | 18.60 | ||||||||||
| Pan g magnitude | 19.08 (0.009) | |||||||||||
| Pan r magnitude | 19.02 (0.005) | |||||||||||
| Pan i magnitude | 19.07 (0.009) | |||||||||||
| Pan z magnitude | 19.16 (0.02) | |||||||||||
| Pan y magnitude | 19.25 (0.04) | |||||||||||
| E(B-V) | 0.008 | |||||||||||
* Constant surface field
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