Gaia DR2 6889315284394862336
All names: SDSS J210428.86-113200.8, WDJ210428.88-113200.65, SDSS J210428.87-113200.8, Gaia DR2 6889315284394862336, Gaia EDR3 6889315284394862336, Gaia DR3 6889315284394862336, WDJ210428.88-113200.64
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 04 28.84 (0.1) | 21 04 28.84 | 21 04 28.84 | 21 04 28.88 (0.1) | 21 04 28.84 | ||||||
| Declination | -11 32 01.37 (0.07) | -11 32 01.34 | -11 32 01.37 | -11 32 00.65 (0.07) | -11 32 01.34 | ||||||
| Spectral type | DQ: | DC: | D | ||||||||
| Effective temperature | [K] | 6808.0 (31) | 7445.0 | 7165.0 | 6789.0 (75) | ||||||
| log(g) | [cgs] | 7.96 (0.01) | 8.22 | 8.12 | 7.96 (0.02) | ||||||
| Mass | [M☉] | 0.553 (0.009) | 0.733 | 0.649 | 0.552 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.8940 | 1.7890 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | -6.43 | ||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(N/He) | |||||||||||
| log(O/He) | |||||||||||
| log(Na/He) | |||||||||||
| log(Mg/He) | |||||||||||
| log(Al/He) | |||||||||||
| log(Si/He) | |||||||||||
| log(P/He) | |||||||||||
| log(S/He) | |||||||||||
| log(Cl/He) | |||||||||||
| log(Sc/He) | |||||||||||
| log(Ti/He) | |||||||||||
| log(V/He) | |||||||||||
| log(Cr/He) | |||||||||||
| log(Mn/He) | |||||||||||
| log(Fe/He) | |||||||||||
| log(Co/He) | |||||||||||
| log(Ni/He) | |||||||||||
| log(Cu/He) | |||||||||||
| log(Zn/He) | |||||||||||
| log(Ga/He) | |||||||||||
| log(Ge/He) | |||||||||||
| log(Sr/He) | |||||||||||
| Parallax | [mas] | 18.00 (0.1) | 18.00 (0.2) | 18.00 | 18.00 (0.1) | 18.00 (0.2) | |||||
| Distance | [pc] | 55.55 (0.3) | 55.55 (0.5) | 55.55 | 55.55 (0.3) | 55.55 (0.5) | |||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -39.94437685 (0.1) | -39.83573947 (0.3) | -39.944 (0.1) | -39.83573947 | ||||||
| Proper motion (declination) | [mas/yr] | -44.9375973 (0.09) | -44.90530049 (0.2) | -44.938 (0.09) | -44.90530049 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.82 (0.01) | 17.82 (0.01) | |||||||||
| g magnitude | 17.40 (0.005) | 17.40 (0.005) | |||||||||
| r magnitude | 17.25 (0.005) | 17.25 (0.005) | |||||||||
| i magnitude | 17.27 (0.006) | 17.27 (0.006) | |||||||||
| z magnitude | 17.32 (0.01) | 17.32 (0.01) | |||||||||
| G magnitude | 17.24 (0.007) | 17.26 | 17.24 | 17.24 (0.003) | 17.26 | ||||||
| BP magnitude | 17.40 (0.007) | 17.38 | 17.38 | ||||||||
| RP magnitude | 16.95 (0.007) | 16.95 | 16.95 | ||||||||
| Pan g magnitude | 17.41 (0.005) | ||||||||||
| Pan r magnitude | 17.27 (0.003) | ||||||||||
| Pan i magnitude | 17.28 (0.003) | ||||||||||
| Pan z magnitude | 17.35 (0.005) | ||||||||||
| Pan y magnitude | 17.41 (0.008) | ||||||||||
| E(B-V) | 0.001 | ||||||||||
* Constant surface field
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