WD 1109+007
All names: WD 1109+007, Gaia DR2 3804129843479449600, SDSS J111230.14+003002.6, 2QZ J111230.1+003002, Gaia DR3 3804129843479449600, Gaia EDR3 3804129843479449600, SDSS J111230.13+003002.6, SDSS J111230.12+003002.3, SDSS J111230.13+003002.5, SDSS J111230.14+003002.5, EPIC 201498548
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | 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 | 11 12 30.10 (0.2) | 11 12 30.12 | 11 12 30.10 (0.2) | 11 12 30.10 | 11 12 30.14 (0.2) | 11 12 30.13 | 11 12 29.90 | 11 12 30.14 | 11 12 30.14 | ||||||
| Declination | 00 30 01.97 (0.1) | 00 30 02.32 | 00 30 01.99 (0.2) | 00 30 01.97 | 00 30 02.64 (0.1) | 00 30 02.60 | 00 29 58.56 | 00 30 02.55 | 00 30 02.56 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA5.1 | DA | DA | |||||||
| Effective temperature | [K] | 9410.0 | 9800.0 (60) | 9496.0 (304) | 9724.0 (34) | 9589.0 (47) | 9853.0 (31) | ||||||||
| log(g) | [cgs] | 7.83 | 8.40 (0.06) | 7.94 (0.06) | 8.27 (0.04) | 8.25 (0.06) | 8.39 (0.04) | ||||||||
| Mass | [M☉] | 0.501 | 0.85 (0.04) | 0.566 (0.05) | 0.747 (0.04) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.5691 | 1.2303 | ||||||||||||
| 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] | 6.41 (0.2) | 6.08 (0.2) | 6.41 | 6.41 (0.2) | ||||||||||
| Distance | [pc] | 155.93 (4) | 164.59 (6) | 155.93 | 155.93 (4) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -32.77245165 (0.2) | -32.93161901 (0.3) | -32.772 (0.2) | -31.0 | -27.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -41.80292655 (0.1) | -41.89803731 (0.3) | -41.803 (0.1) | -44.8 | -44.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 18.02 (0.05) | ||||||||||||||
| H magnitude | 18.30 (0.2) | ||||||||||||||
| K magnitude | 18.50 (0.3) | ||||||||||||||
| u magnitude | 18.70 (0.02) | 18.70 (0.02) | 18.69 (0.03) | 18.68 | 18.69 (0.03) | 18.68 (0.02) | |||||||||
| g magnitude | 18.26 (0.007) | 18.26 (0.007) | 18.28 (0.03) | 18.30 | 18.28 (0.03) | 18.30 (0.04) | |||||||||
| r magnitude | 18.32 (0.008) | 18.32 (0.008) | 18.33 (0.05) | 18.33 | 18.32 (0.05) | 18.33 (0.04) | |||||||||
| i magnitude | 18.39 (0.01) | 18.39 (0.01) | 18.43 (0.03) | 18.45 | 18.43 (0.03) | 18.45 (0.04) | |||||||||
| z magnitude | 18.55 (0.03) | 18.55 (0.03) | 18.52 (0.04) | 18.52 | 18.52 (0.04) | 18.52 (0.04) | |||||||||
| G magnitude | 18.23 (0.02) | 18.25 | 18.23 | 18.23 (0.003) | |||||||||||
| BP magnitude | 18.33 (0.02) | 18.32 | |||||||||||||
| RP magnitude | 18.11 (0.02) | 18.07 | |||||||||||||
| Pan g magnitude | 18.23 (0.004) | ||||||||||||||
| Pan r magnitude | 18.29 (0.004) | ||||||||||||||
| Pan i magnitude | 18.41 (0.007) | ||||||||||||||
| Pan z magnitude | 18.54 (0.007) | ||||||||||||||
| Pan y magnitude | 18.65 (0.02) | ||||||||||||||
| E(B-V) | 0.013 | ||||||||||||||
* Constant surface field
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