Gaia DR2 6879784584465884544
All names: WDJ201505.26-122210.34, J2015-1222, WDJ20155.26-122210.34, Gaia DR3 6879784584465884544, SDSS J201505.27-122210.9, Gaia DR2 6879784584465884544, SDSS J201505.26-122210.9, Gaia EDR3 6879784584465884544
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 15 05.30 (0.07) | 20 15 05.29 | 20 15 05.30 | 20 15 05.26 (0.07) | 20 15 05.29 | ||||||||
| Declination | -12 22 12.03 (0.05) | -12 22 11.98 | -12 22 12.03 | -12 22 10.35 (0.05) | -12 22 11.98 | ||||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||||
| Effective temperature | [K] | 9427.0 (60) | 9692.0 (59) | 9428.0 (60) | 9930.0 | 9882.0 | 9438.0 (151) | ||||||
| log(g) | [cgs] | 7.94 (0.01) | 7.98 (0.01) | 7.92 (0.01) | 8.17 | 8.10 | 7.97 (0.03) | ||||||
| Mass | [M☉] | 0.543 (0.01) | 0.57 (0.01) | 0.535 (0.01) | 0.705 | 0.642 | 0.561 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.6900 | 0.7869 | 0.7476 | |||||||||
| log(H/He) | -4.4 | -4.4 | -4.4 | ||||||||||
| log(C/He) | |||||||||||||
| 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] | 11.21 (0.08) | 11.11 (0.1) | 11.11 (0.1) | 11.21 | 11.21 (0.08) | 11.11 (0.1) | ||||||
| Distance | [pc] | 89.22 (0.6) | 90.01 (0.8) | 90.00 (0.8) | 89.22 | 89.22 (0.6) | 90.00 (0.8) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 36.43239645 (0.08) | 36.4618985 (0.2) | 36.432 (0.08) | 36.4618985 | ||||||||
| Proper motion (declination) | [mas/yr] | -105.2092823 (0.06) | -105.3180495 (0.1) | -105.209 (0.06) | -105.3180495 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.16 (0.02) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | 17.21 (0.09) | ||||||||||||
| u magnitude | 17.32 (0.01) | 17.36 (0.01) | 17.36 (0.01) | ||||||||||
| g magnitude | 17.20 (0.005) | 17.20 (0.005) | |||||||||||
| r magnitude | 17.27 (0.005) | 17.27 (0.005) | |||||||||||
| i magnitude | 17.41 (0.007) | 17.41 (0.007) | |||||||||||
| z magnitude | 17.56 (0.02) | 17.56 (0.02) | |||||||||||
| G magnitude | 17.20 (0.005) | 17.23 | 17.20 | 17.20 (0.003) | 17.23 | ||||||||
| BP magnitude | 17.25 (0.005) | 17.21 | 17.21 | ||||||||||
| RP magnitude | 17.12 (0.005) | 17.10 | 17.10 | ||||||||||
| Pan g magnitude | 17.23 (0.003) | 17.23 (0.004) | |||||||||||
| Pan r magnitude | 17.30 (0.003) | 17.30 (0.003) | |||||||||||
| Pan i magnitude | 17.44 (0.003) | 17.44 (0.003) | |||||||||||
| Pan z magnitude | 17.60 (0.006) | 17.60 (0.005) | |||||||||||
| Pan y magnitude | 17.72 (0.006) | 17.72 (0.005) | |||||||||||
| E(B-V) | 0.011 | ||||||||||||
* Constant surface field
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