Gaia DR2 1860318973495642240
All names: SDSS J202525.91+283936.5, Gaia EDR3 1860318973495642240, WDJ202525.93+283936.59, Gaia DR3 1860318973495642240, J2025+2839, Gaia DR2 1860318973495642240
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 25 25.89 (0.03) | 20 25 25.89 | 20 25 25.89 | 20 25 25.93 (0.03) | 20 25 25.89 | |||||||
| Declination | 28 39 36.18 (0.04) | 28 39 36.19 | 28 39 36.18 | 28 39 36.59 (0.04) | 28 39 36.19 | |||||||
| Spectral type | DZ | DZ | DB | DZ | ||||||||
| Effective temperature | [K] | 11785.0 (106) | 11197.0 (100) | 11488.0 | 12016.0 | 11610.0 (109) | ||||||
| log(g) | [cgs] | 8.08 (0.01) | 7.91 (0.01) | 8.10 | 8.09 | 8.03 (0.01) | ||||||
| Mass | [M☉] | 0.635 (0.009) | 0.533 (0.01) | 0.667 | 0.639 | 0.601 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.4839 | 0.4384 | |||||||||
| log(H/He) | <-4 | |||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | -8.39 | -9.03 | ||||||||||
| 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] | 10.51 (0.05) | 10.52 (0.07) | 10.51 | 10.51 (0.05) | 10.52 (0.07) | ||||||
| Distance | [pc] | 95.12 (0.5) | 95.09 (0.6) | 95.12 | 95.12 (0.5) | 95.09 (0.6) | ||||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -28.50253312 (0.04) | -28.66349796 (0.1) | -28.503 (0.04) | -28.66349796 | |||||||
| Proper motion (declination) | [mas/yr] | -25.79651847 (0.05) | -25.83549538 (0.1) | -25.797 (0.05) | -25.83549538 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.72 (0.007) | 16.72 (0.007) | ||||||||||
| g magnitude | 16.67 (0.004) | 16.67 (0.004) | ||||||||||
| r magnitude | 16.89 (0.005) | 16.89 (0.005) | ||||||||||
| i magnitude | 17.09 (0.006) | 17.09 (0.006) | ||||||||||
| z magnitude | 17.31 (0.01) | 17.31 (0.01) | ||||||||||
| G magnitude | 16.78 (0.002) | 16.81 | 16.78 | 16.78 (0.003) | 16.81 | |||||||
| BP magnitude | 16.79 (0.002) | 16.75 | 16.75 | |||||||||
| RP magnitude | 16.79 (0.003) | 16.79 | 16.79 | |||||||||
| Pan g magnitude | 16.76 (0.004) | |||||||||||
| Pan r magnitude | 16.94 (0.002) | |||||||||||
| Pan i magnitude | 17.13 (0.003) | |||||||||||
| Pan z magnitude | 17.32 (0.006) | |||||||||||
| Pan y magnitude | 17.48 (0.008) | |||||||||||
| E(B-V) | 0.011 | |||||||||||
* Constant surface field
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