WD 0840+205
All names: Cl* NGC 2632 DPN 5, GALEX J084321.9+204330, Gaia EDR3 661841163095377024, NAME WD 0840+205, WD 0840+209, Gaia DR2 661841163095377024, SDSS J084321.98+204330.1, USNO-B1.0 1107-00172154, SDSS J084321.98+204330.2, SDSS J084321.97+204330.1, Gaia DR3 661841163095377024
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 43 21.95 (0.1) | 08 43 21.98 | 08 43 21.95 (0.2) | 08 43 21.95 | 08 43 22.00 (0.1) | 08 43 22.06 | 08 43 21.98 | |||||
| Declination | 20 43 30.02 (0.06) | 20 43 30.14 | 20 43 30.02 (0.09) | 20 43 30.02 | 20 43 30.25 (0.06) | 20 43 27.48 | 20 43 30.17 | |||||
| Spectral type | DA | DA | DA | DA3.5 | DA | DA | ||||||
| Effective temperature | [K] | 14432.0 | 14326.0 (479) | 14758.0 (199) | ||||||||
| log(g) | [cgs] | 8.37 | 8.42 (0.04) | 8.42 (0.04) | ||||||||
| Mass | [M☉] | 0.838 | 0.875 (0.03) | 0.86 (0.03) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3935 | ||||||||||
| 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] | 5.63 (0.2) | 5.35 (0.2) | 5.63 | 5.63 (0.2) | |||||||
| Distance | [pc] | 177.76 (5) | 187.07 (7) | 177.76 | 177.76 (5) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -37.31513462 (0.2) | -37.45710416 (0.3) | -37.315 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | -14.4233115 (0.1) | -14.33787694 (0.2) | -14.423 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.50 (0.02) | 18.50 (0.02) | 18.48 (0.02) | |||||||||
| g magnitude | 18.17 (0.006) | 18.18 (0.006) | 18.17 (0.02) | |||||||||
| r magnitude | 18.43 (0.008) | 18.43 (0.008) | 18.44 (0.03) | |||||||||
| i magnitude | 18.69 (0.01) | 18.69 (0.01) | 18.70 (0.02) | |||||||||
| z magnitude | 18.98 (0.05) | 18.98 (0.05) | 18.96 (0.05) | |||||||||
| G magnitude | 18.31 (0.01) | 18.34 | 18.31 | 18.31 (0.003) | ||||||||
| BP magnitude | 18.30 (0.01) | 18.29 | ||||||||||
| RP magnitude | 18.37 (0.02) | 18.34 | ||||||||||
| Pan g magnitude | 18.20 (0.003) | |||||||||||
| Pan r magnitude | 18.42 (0.003) | |||||||||||
| Pan i magnitude | 18.69 (0.004) | |||||||||||
| Pan z magnitude | 18.94 (0.01) | |||||||||||
| Pan y magnitude | 19.10 (0.04) | |||||||||||
| E(B-V) | 0.008 | |||||||||||
* Constant surface field
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