SDSS J152037.49+504154.3
All names: SDSS J152037.49+504154.39, SDSS J152037.49+504154.3, SDSS J152037.47+504154.0, Gaia DR3 1595509500683864064, Gaia EDR3 1595509500683864064, Gaia DR2 1595509500683864064
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 20 37.48 (0.2) | 15 20 37.48 | 15 20 37.48 (0.3) | 15 20 37.48 (0.2) | |||||||
| Declination | 50 41 53.48 (0.3) | 50 41 54.10 | 50 41 53.50 (0.4) | 50 41 54.14 (0.3) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 7374.0 | 7154.0 | 7527.0 (127) | |||||||
| log(g) | [cgs] | 8.40 | 8.32 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.849 | 0.781 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 2.9580 | 2.8170 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 7.24 (0.3) | 7.16 (0.4) | 7.24 (0.3) | |||||||
| Distance | [pc] | 138.10 (5) | 139.60 (7) | 138.10 (5) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 5.056738516 (0.2) | 3.95300776 (0.5) | 5.057 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -40.85242647 (0.3) | -41.49098443 (0.9) | -40.852 (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 | 20.37 (0.06) | 20.34 (0.06) | 20.36 (0.06) | ||||||||
| g magnitude | 19.75 (0.02) | 19.76 (0.02) | 19.75 (0.01) | ||||||||
| r magnitude | 19.57 (0.02) | 19.59 (0.03) | 19.57 (0.02) | ||||||||
| i magnitude | 19.60 (0.03) | 19.61 (0.03) | 19.61 (0.03) | ||||||||
| z magnitude | 19.51 (0.1) | 19.50 (0.09) | 19.52 (0.1) | ||||||||
| G magnitude | 19.57 (0.04) | 19.60 | 19.57 (0.004) | ||||||||
| BP magnitude | 19.75 (0.04) | 19.74 | |||||||||
| RP magnitude | 19.27 (0.06) | 19.15 | |||||||||
| Pan g magnitude | 19.73 (0.008) | ||||||||||
| Pan r magnitude | 19.57 (0.02) | ||||||||||
| Pan i magnitude | 19.59 (0.01) | ||||||||||
| Pan z magnitude | 19.70 (0.03) | ||||||||||
| Pan y magnitude | 19.63 (0.06) | ||||||||||
| E(B-V) | 0.015 | ||||||||||
* Constant surface field
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