WD 0917+024
All names: GALEX J091942.3+021523, SDSS J091942.34+021521.9, SDSS J091942.35+021522.0, SDSS J091942.34+021521.8, SDSS J091942.35+021522.1, WD 0917+024, Gaia EDR3 3845121943360039936, SDSS J091942.35+021521.8, Gaia DR3 3845121943360039936, Gaia DR2 3845121943360039936, SDSS J091942.36+021522.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 19 42.34 (0.3) | 09 19 42.35 | 09 19 42.34 (0.3) | 09 19 42.35 (0.3) | 09 19 42.35 | 09 19 41.52 | 09 19 42.36 | 09 19 42.36 | ||||||
| Declination | 02 15 21.73 (0.2) | 02 15 21.95 | 02 15 21.74 (0.3) | 02 15 22.15 (0.2) | 02 15 22.11 | 02 15 16.92 | 02 15 22.02 | 02 15 22.03 | ||||||
| Spectral type | DA | DA | DA | DA | DA2.7 | DA | DA | |||||||
| Effective temperature | [K] | 18508.0 | 19390.0 (450) | 18570.0 (246) | 19105.0 (275) | 18598.0 (247) | ||||||||
| log(g) | [cgs] | 7.91 | 8.00 (0.07) | 7.98 (0.04) | 7.99 (0.05) | 8.01 (0.05) | ||||||||
| Mass | [M☉] | 0.568 | 0.62 (0.04) | 0.616 (0.03) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.0770 | 0.0871 | |||||||||||
| 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] | 2.43 (0.3) | 2.22 (0.3) | 2.43 (0.3) | ||||||||||
| Distance | [pc] | 411.89 (45) | 450.19 (70) | 411.90 (45) | ||||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.18864082 (0.3) | -12.90585353 (0.6) | -13.189 (0.3) | -8.1 | -10.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -26.23216635 (0.2) | -25.18169308 (0.6) | -26.232 (0.2) | -27.0 | -28.0 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 19.90 (0.2) | |||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.00 (0.02) | 19.00 (0.02) | 18.99 (0.03) | 19.00 | 19.01 (0.03) | 19.00 (0.03) | ||||||||
| g magnitude | 18.90 (0.009) | 18.89 (0.009) | 18.89 (0.02) | 18.88 | 18.89 (0.02) | 18.88 (0.02) | ||||||||
| r magnitude | 19.23 (0.01) | 19.23 (0.01) | 19.25 (0.02) | 19.25 | 19.25 (0.02) | 19.25 (0.02) | ||||||||
| i magnitude | 19.55 (0.02) | 19.55 (0.02) | 19.52 (0.03) | 19.50 | 19.52 (0.03) | 19.50 (0.03) | ||||||||
| z magnitude | 19.72 (0.07) | 19.72 (0.07) | 19.98 (0.1) | 19.98 | 19.96 (0.1) | 19.98 (0.1) | ||||||||
| G magnitude | 19.06 (0.04) | 19.11 | 19.06 (0.004) | |||||||||||
| BP magnitude | 19.06 (0.04) | 19.03 | ||||||||||||
| RP magnitude | 19.13 (0.06) | 19.14 | ||||||||||||
| Pan g magnitude | 18.90 (0.006) | |||||||||||||
| Pan r magnitude | 19.24 (0.01) | |||||||||||||
| Pan i magnitude | 19.54 (0.02) | |||||||||||||
| Pan z magnitude | 19.78 (0.02) | |||||||||||||
| Pan y magnitude | 19.98 (0.003) | |||||||||||||
| E(B-V) | 0.031 | |||||||||||||
* Constant surface field
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