LHS2086
All names: SDSS J085935.44+601610.5, WD 0855+604.2, Gaia EDR3 1038076351151065088, LHS 2086, SBSS 0855+604A, WD 0855+60, 2MASS J08593591+6016161, SDSS J085935.75+601614.3, G 234-51, Gaia DR2 1038076351151065088, SDSS J085935.74+601614.4, WDS J08598+6018A, GALEX J085935.7+601614, LSPM J0859+6016W, EGGR 172, LP 90-70, SDSS J085935.75+601614.4, ** LDS 1222A, NLTT 20642, SDSS J085935.74+601614.3, J0859+6016, WDJ085935.89+601616.14, Gaia DR3 1038076351151065088, TIC 417775963, USNO-B1.0 1502-00184883, LHS2086
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Coutu et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 59 35.29 (0.03) | 08 59 35.74 | 08 59 35.74 | 08 59 35.31 (0.04) | 08 59 35.29 | 08 59 35.89 (0.03) | 08 59 35.31 | 08 59 37.66 | 08 59 35.75 | ||||||||
| Declination | 60 16 08.82 (0.04) | 60 16 14.39 | 60 16 14.39 | 60 16 09.04 (0.05) | 60 16 08.82 | 60 16 16.14 (0.04) | 60 16 09.04 | 60 16 30.72 | 60 16 14.38 | ||||||||
| Spectral type | DQ | DQ | DQ | DC+Ke? | DC+Ke? | DQ | DQ | DQ | DCE? | DQ | DQ | ||||||
| Effective temperature | [K] | 7506.0 (12) | 7519.0 (11) | 7572.0 (167) | 8300.0 | 7996.0 | 7449.0 (32) | 10090.0 (22) | |||||||||
| log(g) | [cgs] | 7.95 (0.003) | 7.95 (0.004) | 7.96 | 8.26 | 8.16 | 7.94 (0.008) | 9.59 (0.4) | |||||||||
| Mass | [M☉] | 0.547 (0.003) | 0.547 (0.004) | 0.5498 | 0.756 | 0.677 | 0.539 (0.006) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 1.2800 | 1.2100 | 1.4640 | 1.3870 | ||||||||||||
| log(H/He) | |||||||||||||||||
| log(C/He) | -5.7 | -5.69 | -5.6401 (0.05) | ||||||||||||||
| 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] | 24.04 (0.05) | 23.94 (0.07) | 23.94 | 23.94 (0.07) | 24.04 | 24.04 (0.05) | 23.94 (0.07) | |||||||||
| Distance | [pc] | 41.61 (0.09) | 41.77 (0.1) | 41.77 (0.1) | 41.77 (0.1) | 41.61 | 41.61 (0.09) | 41.77 (0.1) | |||||||||
| Composition | He | He | He | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -276.614 (0.03) | -276.6438625 (0.09) | -276.614 (0.03) | -276.644 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -457.971 (0.04) | -457.9490663 (0.09) | -457.971 (0.04) | -457.949 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 16.59 | ||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | 16.30 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 16.04 (0.09) | 16.04 (0.09) | |||||||||||||||
| H magnitude | 15.61 (0.1) | 15.61 (0.1) | |||||||||||||||
| K magnitude | 15.91 (0.04) | ||||||||||||||||
| u magnitude | 16.72 (0.007) | 16.72 (0.007) | 16.72 (0.007) | 16.72 (0.007) | 16.67 (0.01) | ||||||||||||
| g magnitude | 16.37 (0.004) | 16.38 (0.004) | 16.38 (0.004) | 16.38 (0.02) | |||||||||||||
| r magnitude | 16.32 (0.004) | 16.32 (0.004) | 16.32 (0.004) | 16.33 (0.03) | |||||||||||||
| i magnitude | 16.38 (0.004) | 16.38 (0.004) | 16.38 (0.004) | 16.40 (0.03) | |||||||||||||
| z magnitude | 16.49 (0.009) | 16.49 (0.009) | 16.49 (0.009) | 16.48 (0.02) | |||||||||||||
| G magnitude | 16.28 (0.003) | 16.30 | 16.28 | 16.28 (0.003) | 16.30 | ||||||||||||
| BP magnitude | 16.40 (0.004) | 16.38 | 16.38 | ||||||||||||||
| RP magnitude | 16.07 (0.005) | 16.08 | 16.08 | ||||||||||||||
| Pan g magnitude | 16.41 (0.002) | 16.41 (0.002) | |||||||||||||||
| Pan r magnitude | 16.33 (0.003) | 16.33 (0.003) | |||||||||||||||
| Pan i magnitude | 16.40 (0.002) | 16.40 (0.002) | |||||||||||||||
| Pan z magnitude | 16.51 (0.007) | 16.51 (0.007) | |||||||||||||||
| Pan y magnitude | 16.59 (0.0006) | 16.59 (0.0006) | |||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||
* Constant surface field
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