WD 0855+183
All names: Gaia EDR3 612262122214240512, SDSS J085749.62+180802.4, SDSS J085749.63+180802.5, Gaia DR3 612262122214240512, WDJ085749.63+180802.71, GALEX J085749.6+180803, PSO J134.4568+18.1339, 2MASS J08574961+1808031, TIC 197250684, Gaia DR2 612262122214240512, WIRED J085749.62+180802.4, J0857+1808, SDSS J085749.63+180802.4, WD 0855+183
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | 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 57 49.65 (0.08) | 08 57 49.63 | 08 57 49.65 (0.1) | 08 57 49.65 | 08 57 49.63 (0.08) | 08 57 49.65 | 08 57 49.54 | 08 57 49.63 | |||||||||
| Declination | 18 08 01.99 (0.05) | 18 08 02.47 | 18 08 02.01 (0.06) | 18 08 01.99 | 18 08 02.71 (0.05) | 18 08 02.01 | 18 08 04.56 | 18 08 02.48 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | ? | DA | DA | ||||||
| Effective temperature | [K] | 6736.0 (13) | 6773.0 (13) | 6736.0 (14) | 6655.0 (45) | 6684.0 | 6660.0 (55) | 6667.0 (34) | |||||||||
| log(g) | [cgs] | 7.98 (0.007) | 7.99 (0.01) | 7.96 (0.01) | 7.94 (0.02) | 7.95 | 7.96 (0.02) | 7.84 (0.07) | |||||||||
| Mass | [M☉] | 0.58 (0.006) | 0.582 (0.008) | 0.57 (0.008) | 0.558 (0.01) | 0.56 | 0.57 (0.01) | 0.508 (0.04) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 1.6700 | 1.5820 (0.06) | 1.5730 | |||||||||||||
| log(H/He) | |||||||||||||||||
| log(C/He) | |||||||||||||||||
| log(Ca/He) | |||||||||||||||||
| log(Ca/H) | |||||||||||||||||
| log(C/H) | |||||||||||||||||
| log(N/H) | |||||||||||||||||
| log(O/H) | |||||||||||||||||
| log(Na/H) | |||||||||||||||||
| log(Mg/H) | |||||||||||||||||
| log(Al/H) | |||||||||||||||||
| log(Si/H) | |||||||||||||||||
| log(P/H) | |||||||||||||||||
| log(S/H) | |||||||||||||||||
| log(Sc/H) | |||||||||||||||||
| log(Ti/H) | |||||||||||||||||
| log(Cr/H) | |||||||||||||||||
| log(Mn/H) | |||||||||||||||||
| log(Fe/H) | |||||||||||||||||
| log(Ni/H) | |||||||||||||||||
| Parallax | [mas] | 19.27 (0.1) | 19.07 (0.1) | 19.07 (0.2) | 19.07 (0.2) | 19.27 | 19.27 (0.1) | 19.07 (0.2) | |||||||||
| Distance | [pc] | 51.90 (0.3) | 52.44 (0.4) | 52.43 (0.4) | 52.43 (0.4) | 51.90 | 51.90 (0.3) | 52.43 (0.4) | |||||||||
| Composition | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 19.98222929 (0.1) | 19.79264905 (0.2) | 19.982 (0.1) | 19.793 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -45.41291775 (0.07) | -45.38322996 (0.1) | -45.413 (0.07) | -45.383 | ||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | |||||||||||||||||
| V magnitude | |||||||||||||||||
| R magnitude | |||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 16.41 (0.01) | 16.42 (0.1) | 16.42 (0.1) | ||||||||||||||
| H magnitude | 16.08 (0.2) | 16.08 (0.2) | 16.08 (0.2) | ||||||||||||||
| K magnitude | 16.42 (0.1) | 16.42 (0.1) | |||||||||||||||
| u magnitude | 17.96 (0.01) | 17.96 (0.01) | 17.96 (0.01) | 17.96 (0.01) | 17.97 (0.02) | ||||||||||||
| g magnitude | 17.38 (0.005) | 17.35 (0.002) | 17.38 (0.005) | 17.39 (0.02) | |||||||||||||
| r magnitude | 17.15 (0.006) | 17.14 (0.003) | 17.15 (0.006) | 17.14 (0.01) | |||||||||||||
| i magnitude | 17.08 (0.006) | 17.09 (0.005) | 17.08 (0.006) | 17.08 (0.02) | |||||||||||||
| z magnitude | 17.11 (0.01) | 17.14 (0.004) | 17.11 (0.01) | 17.08 (0.02) | |||||||||||||
| G magnitude | 17.13 (0.007) | 17.14 | 17.13 | 17.13 (0.003) | 17.14 | ||||||||||||
| BP magnitude | 17.35 (0.007) | 17.34 | 17.34 | ||||||||||||||
| RP magnitude | 16.77 (0.008) | 16.77 | 16.77 | ||||||||||||||
| Pan g magnitude | 17.35 (0.001) | 17.35 (0.002) | 17.35 (0.002) | ||||||||||||||
| Pan r magnitude | 17.14 (0.004) | 17.14 (0.003) | 17.14 (0.003) | ||||||||||||||
| Pan i magnitude | 17.09 (0.005) | 17.09 (0.005) | 17.09 (0.005) | ||||||||||||||
| Pan z magnitude | 17.14 (0.003) | 17.14 (0.004) | 17.14 (0.004) | ||||||||||||||
| Pan y magnitude | 17.12 (0.002) | 17.12 (0.002) | 17.12 (0.002) | ||||||||||||||
| E(B-V) | 0.001 | ||||||||||||||||
* Constant surface field
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