WD 1659+303
All names: PG 1659+303, SDSS J170108.02+301535.4, 2MASS J17010801+3015358, WDJ170108.02+301535.58, Gaia DR3 1309675239543737216, Gaia DR2 1309675239543737216, WD 1659+303, Gaia EDR3 1309675239543737216, TIC 21633235
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 01 08.04 (0.02) | 17 01 08.04 (0.03) | 17 01 08.04 | 17 01 08.02 (0.02) | 17 01 08.04 | 17 01 08.06 | ||||||
| Declination | 30 15 34.45 (0.02) | 30 15 34.48 (0.03) | 30 15 34.45 | 30 15 35.58 (0.02) | 30 15 34.48 | 30 15 29.52 | ||||||
| Spectral type | DA | DA | DA | DA3.6 | DA3.7 | |||||||
| Effective temperature | [K] | 13984.0 | 14150.0 (352) | 13600.0 (310) | 14687.0 (101) | |||||||
| log(g) | [cgs] | 8.10 | 8.07 (0.05) | 7.95 (0.05) | 8.14 (0.006) | |||||||
| Mass | [M☉] | 0.667 | 0.65 (0.03) | 0.58 (0.03) | 0.696 (0.005) | |||||||
| log(Luminosity) | [L☉] | -2.26 | ||||||||||
| Cooling age | [Gyr] | 0.2809 | 0.2951 | |||||||||
| 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] | 20.78 (0.02) | 20.73 (0.04) | 20.78 | 20.78 (0.02) | 20.73 (0.04) | ||||||
| Distance | [pc] | 48.12 (0.05) | 48.25 (0.08) | 50.00 | 53.00 | 48.12 | 48.13 (0.05) | 48.25 (0.08) | ||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 19.90714565 (0.02) | 19.87396807 (0.07) | 19.907 (0.02) | 19.87396807 | |||||||
| Proper motion (declination) | [mas/yr] | -71.20300369 (0.02) | -71.17197156 (0.07) | -71.203 (0.03) | -71.17197156 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 15.11 | |||||||||||
| V magnitude | 14.99 | 15.23 | ||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.33 (0.04) | |||||||||||
| H magnitude | 15.32 (0.09) | |||||||||||
| K magnitude | 15.44 (0.04) | |||||||||||
| u magnitude | 15.23 (0.02) | 15.23 (0.005) | ||||||||||
| g magnitude | 14.87 (0.01) | 14.85 (0.004) | ||||||||||
| r magnitude | 15.11 (0.01) | 15.11 (0.004) | ||||||||||
| i magnitude | 15.37 (0.02) | 15.37 (0.004) | ||||||||||
| z magnitude | 15.64 (0.02) | 15.63 (0.007) | ||||||||||
| G magnitude | 14.99 (0.002) | 15.01 | 14.99 | 14.99 (0.003) | 15.01 | |||||||
| BP magnitude | 14.97 (0.002) | 14.96 | 14.96 | |||||||||
| RP magnitude | 15.06 (0.002) | 15.07 | 15.07 | |||||||||
| Pan g magnitude | 14.88 (0.003) | |||||||||||
| Pan r magnitude | 15.14 (0.002) | |||||||||||
| Pan i magnitude | 15.39 (0.001) | |||||||||||
| Pan z magnitude | 15.62 (0.003) | |||||||||||
| Pan y magnitude | 15.78 (0.005) | |||||||||||
| E(B-V) | 0.005 | |||||||||||
* Constant surface field
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