SDSS J231956.09+192431.4
All names: GALEX J231956.1+192431, SDSS J231956.06+192431.6, Gaia EDR3 2825209970978206720, SDSS J231956.09+192431.49, Gaia DR3 2825209970978206720, Gaia DR2 2825209970978206720, SDSS J231956.09+192431.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 19 56.10 (0.2) | 23 19 56.06 | 23 19 56.10 (0.2) | 23 19 56.10 | 23 19 56.04 (0.2) | |||||||
| Declination | 19 24 31.40 (0.2) | 19 24 31.64 | 19 24 31.41 (0.2) | 19 24 31.40 | 19 24 31.82 (0.2) | |||||||
| Spectral type | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 8901.0 | 8632.0 | 9591.0 (131) | 7996.0 (326) | |||||||
| log(g) | [cgs] | 8.36 | 8.28 | 8.00 (0) | 8.04 (0.08) | |||||||
| Mass | [M☉] | 0.829 | 0.755 | 0.598 (0.07) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.4800 | 1.4150 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 6.42 (0.3) | 6.51 (0.4) | 6.42 | 6.42 (0.3) | |||||||
| Distance | [pc] | 155.83 (7) | 153.71 (9) | 155.83 | 155.83 (7) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 55.15382155 (0.2) | 54.65436027 (0.6) | 55.154 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | -26.4695721 (0.2) | -26.28854317 (0.4) | -26.47 (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 | 19.37 (0.02) | 19.38 (0.03) | 19.36 (0.03) | |||||||||
| g magnitude | 19.10 (0.01) | 19.10 (0.02) | 19.11 (0.01) | |||||||||
| r magnitude | 19.11 (0.01) | 19.10 (0.02) | 19.11 (0.01) | |||||||||
| i magnitude | 19.22 (0.02) | 19.20 (0.02) | 19.21 (0.02) | |||||||||
| z magnitude | 19.35 (0.05) | 19.34 (0.05) | 19.35 (0.05) | |||||||||
| G magnitude | 19.06 (0.03) | 19.11 | 19.06 | 19.06 (0.003) | ||||||||
| BP magnitude | 19.22 (0.03) | 19.16 | ||||||||||
| RP magnitude | 18.89 (0.03) | 18.90 | ||||||||||
| Pan g magnitude | 19.13 (0.01) | |||||||||||
| Pan r magnitude | 19.11 (0.006) | |||||||||||
| Pan i magnitude | 19.23 (0.008) | |||||||||||
| Pan z magnitude | 19.32 (0.01) | |||||||||||
| Pan y magnitude | 19.44 (0.02) | |||||||||||
| E(B-V) | 0.014 | |||||||||||
* Constant surface field
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