SDSS J152138.65+505052.7
All names: Gaia EDR3 1595517918820215424, SDSS J152138.65+505052.7, Gaia DR3 1595517918820215424, Gaia DR2 1595517918820215424, SDSS J152138.65+505052.6
| 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 | 15 21 38.60 (0.3) | 15 21 38.65 | 15 21 38.60 (0.5) | 15 21 38.66 (0.3) | 15 21 38.65 | ||||||
| Declination | 50 50 52.68 (0.3) | 50 50 52.67 | 50 50 52.68 (0.4) | 50 50 52.67 (0.3) | 50 50 52.66 | ||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 8479.0 | 8298.0 | 10102.0 (36) | |||||||
| log(g) | [cgs] | 8.27 | 8.21 | 8.84 (0.9) | |||||||
| Mass | [M☉] | 0.767 | 0.708 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.4050 | 1.3810 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 4.17 (0.3) | 4.45 (0.5) | 4.17 (0.3) | |||||||
| Distance | [pc] | 240.06 (20) | 224.83 (23) | 240.06 (20) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -38.82493227 (0.4) | -38.7459241 (0.9) | -38.825 (0.4) | |||||||
| Proper motion (declination) | [mas/yr] | 0.294080295 (0.5) | -0.080270245 (1) | 0.294 (0.5) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.45 (0.06) | 20.45 (0.06) | 20.41 (0.06) | ||||||||
| g magnitude | 19.99 (0.02) | 19.99 (0.02) | 20.01 (0.02) | ||||||||
| r magnitude | 19.96 (0.02) | 19.96 (0.02) | 19.93 (0.02) | ||||||||
| i magnitude | 20.08 (0.03) | 20.08 (0.03) | 20.04 (0.03) | ||||||||
| z magnitude | 20.21 (0.1) | 20.21 (0.1) | 20.05 (0.1) | ||||||||
| G magnitude | 19.89 (0.07) | 19.93 | 19.89 (0.005) | ||||||||
| BP magnitude | 19.85 (0.07) | 19.73 | |||||||||
| RP magnitude | 19.74 (0.09) | 19.48 | |||||||||
| Pan g magnitude | 19.98 (0.01) | ||||||||||
| Pan r magnitude | 19.99 (0.03) | ||||||||||
| Pan i magnitude | 20.03 (0.01) | ||||||||||
| Pan z magnitude | 20.13 (0.04) | ||||||||||
| Pan y magnitude | 20.16 (0.08) | ||||||||||
| E(B-V) | 0.018 | ||||||||||
* Constant surface field
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