SDSS J120423.80+230913.3
All names: SDSS J120423.81+230913.3, [VV2010] J120423.8+230913, Gaia DR2 4001064642440304640, GALEX J120423.8+230913, Gaia DR3 4001064642440304640, Gaia EDR3 4001064642440304640, SDSS J120423.80+230913.3, SDSS J120423.81+230912.9
| 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 | 12 04 23.82 (0.2) | 12 04 23.81 | 12 04 23.82 (0.3) | 12 04 23.82 | 12 04 23.80 (0.2) | 12 04 23.81 | ||||||
| Declination | 23 09 12.80 (0.2) | 23 09 13.31 | 23 09 12.82 (0.2) | 23 09 12.80 | 23 09 13.52 (0.2) | 23 09 13.30 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 8917.0 | 8676.0 | 8090.0 (364) | 10098.0 (32) | |||||||
| log(g) | [cgs] | 8.29 | 8.21 | 7.87 (0.1) | 9.37 (0.5) | |||||||
| Mass | [M☉] | 0.778 | 0.706 | 0.5 (0.08) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.2400 | 1.2210 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 5.94 (0.3) | 6.40 (0.3) | 5.94 | 5.94 (0.3) | |||||||
| Distance | [pc] | 168.30 (7) | 156.20 (8) | 168.30 | 168.30 (7) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 19.18459992 (0.3) | 19.47914208 (0.6) | 19.185 (0.3) | ||||||||
| Proper motion (declination) | [mas/yr] | -44.81029876 (0.2) | -45.43526983 (0.3) | -44.81 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 19.48 | |||||||||||
| V magnitude | 19.33 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.31 (0.02) | 19.33 (0.04) | 19.33 (0.04) | |||||||||
| g magnitude | 19.03 (0.009) | 19.04 (0.02) | 19.04 (0.02) | |||||||||
| r magnitude | 19.03 (0.01) | 19.02 (0.02) | 19.02 (0.02) | |||||||||
| i magnitude | 19.10 (0.01) | 19.09 (0.02) | 19.09 (0.02) | |||||||||
| z magnitude | 19.27 (0.04) | 19.25 (0.04) | 19.27 (0.04) | |||||||||
| G magnitude | 18.98 (0.03) | 19.01 | 18.98 | 18.98 (0.004) | ||||||||
| BP magnitude | 19.11 (0.03) | 19.08 | ||||||||||
| RP magnitude | 18.79 (0.04) | 18.88 | ||||||||||
| Pan g magnitude | 19.03 (0.007) | |||||||||||
| Pan r magnitude | 19.02 (0.01) | |||||||||||
| Pan i magnitude | 19.11 (0.04) | |||||||||||
| Pan z magnitude | 19.25 (0.02) | |||||||||||
| Pan y magnitude | 19.32 (0.03) | |||||||||||
| E(B-V) | 0.008 | |||||||||||
* Constant surface field
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