WD 0952+643
All names: WD 0952+643, SDSS J095556.17+640926.0, SDSS J095556.17+640926.1, GALEX J095556.1+640926, SDSS J095556.18+640926.1, Gaia EDR3 1063881064420761216, Gaia DR3 1063881064420761216, Gaia DR2 1063881064420761216
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 55 56.14 (0.3) | 09 55 56.18 | 09 55 56.14 (0.5) | 09 55 56.18 (0.3) | 09 55 56.18 | 09 55 56.16 | 09 55 56.17 | 09 55 56.17 | |||||
| Declination | 64 09 25.93 (0.4) | 64 09 26.12 | 64 09 25.94 (0.6) | 64 09 26.08 (0.4) | 64 09 26.11 | 64 09 21.60 | 64 09 26.05 | 64 09 26.06 | |||||
| Spectral type | DA | DA | DA | DA2.4 | DAH: | DA | |||||||
| Effective temperature | [K] | 18537.0 | 20852.0 (897) | 21230.0 (993) | 21203.0 (910) | ||||||||
| log(g) | [cgs] | 7.21 | 7.59 (0.2) | 7.46 (0.2) | 7.64 (0.2) | ||||||||
| Mass | [M☉] | 0.304 | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0432 | |||||||||||
| 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] | 0.92 (0.5) | 0.80 (0.9) | 0.92 (0.5) | |||||||||
| Distance | [pc] | 1086.19 (601) | 1256.63 (1381) | 1086.25 (601) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -17.67760556 (0.4) | -17.56644327 (1) | -17.678 (0.4) | 3.5 | 1.0 | |||||||
| Proper motion (declination) | [mas/yr] | -9.291209053 (0.5) | -9.453945422 (1) | -9.291 (0.5) | -13.7 | -12.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.25 (0.05) | 20.27 (0.05) | 20.22 (0.06) | 20.19 | 20.25 (0.06) | 20.19 (0.06) | |||||||
| g magnitude | 20.18 (0.02) | 20.18 (0.02) | 20.16 (0.03) | 20.17 | 20.17 (0.03) | 20.17 (0.03) | |||||||
| r magnitude | 20.48 (0.03) | 20.47 (0.03) | 20.48 (0.03) | 20.49 | 20.48 (0.03) | 20.49 (0.03) | |||||||
| i magnitude | 20.81 (0.06) | 20.79 (0.06) | 20.77 (0.06) | 20.78 | 20.78 (0.06) | 20.78 (0.06) | |||||||
| z magnitude | 21.01 (0.3) | 21.05 (0.3) | 21.03 (0.3) | 20.96 | 21.03 (0.3) | 20.96 (0.2) | |||||||
| G magnitude | 20.30 (0.05) | 20.37 | 20.30 (0.006) | ||||||||||
| BP magnitude | 20.21 (0.05) | 20.20 | |||||||||||
| RP magnitude | 20.24 (0.1) | 20.26 | |||||||||||
| Pan g magnitude | 20.12 (0.02) | ||||||||||||
| Pan r magnitude | 20.48 (0.02) | ||||||||||||
| Pan i magnitude | 20.72 (0.03) | ||||||||||||
| Pan z magnitude | 20.84 (0) | ||||||||||||
| Pan y magnitude | |||||||||||||
| E(B-V) | 0.027 | ||||||||||||
* Constant surface field
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