WD 1220+191
All names: WD 1220+191, GALEX J122253.2+185011, SDSS J122253.23+185011.9, Gaia DR3 3947322403860036352, Gaia DR2 3947322403860036352, SDSS J122253.23+185011.8, Gaia EDR3 3947322403860036352, NLTT 30551, USNO-B1.0 1088-00203013, LP 435-58, LSPM J1222+1850W
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 22 53.11 (0.07) | 12 22 53.23 | 12 22 53.11 (0.09) | 12 22 53.11 | 12 22 53.30 (0.07) | 12 22 55.58 | 12 22 53.23 | ||||||
| Declination | 18 50 11.54 (0.08) | 18 50 11.85 | 18 50 11.55 (0.07) | 18 50 11.54 | 18 50 12.00 (0.08) | 18 49 22.44 | 18 50 11.85 | ||||||
| Spectral type | DA | DA | DA | DA4.6 | DA | DA | DA | ||||||
| Effective temperature | [K] | 10671.0 | 10900.0 (181) | 10632.0 (181) | 10611.0 (34) | ||||||||
| log(g) | [cgs] | 8.01 | 8.26 (0.07) | 7.98 (0.03) | 8.27 (0.04) | ||||||||
| Mass | [M☉] | 0.607 | 0.77 (0.05) | 0.589 (0.02) | 0.761 (0.03) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.5142 | |||||||||||
| 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] | 8.97 (0.1) | 9.05 (0.1) | 8.97 | 8.97 (0.1) | ||||||||
| Distance | [pc] | 111.46 (1) | 110.46 (1) | 71.00 | 111.46 | 111.46 (1) | |||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -170.2016888 (0.09) | -170.1771717 (0.2) | -170.202 (0.09) | |||||||||
| Proper motion (declination) | [mas/yr] | -28.6216535 (0.09) | -28.79511069 (0.2) | -28.622 (0.09) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | yes | ||||||||||||
| B magnitude | 17.80 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 17.70 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.61 (0.01) | 17.61 (0.01) | 17.64 (0.02) | ||||||||||
| g magnitude | 17.15 (0.005) | 17.15 (0.005) | 17.22 (0.04) | ||||||||||
| r magnitude | 17.29 (0.006) | 17.29 (0.006) | 17.28 (0.02) | ||||||||||
| i magnitude | 17.43 (0.007) | 17.43 (0.007) | 17.43 (0.02) | ||||||||||
| z magnitude | 17.61 (0.02) | 17.61 (0.01) | 17.62 (0.02) | ||||||||||
| G magnitude | 17.20 (0.005) | 17.22 | 17.20 | 17.20 (0.003) | |||||||||
| BP magnitude | 17.23 (0.005) | 17.23 | |||||||||||
| RP magnitude | 17.16 (0.007) | 17.16 | |||||||||||
| Pan g magnitude | 17.17 (0.002) | ||||||||||||
| Pan r magnitude | 17.29 (0.003) | ||||||||||||
| Pan i magnitude | 17.46 (0.006) | ||||||||||||
| Pan z magnitude | 17.65 (0.008) | ||||||||||||
| Pan y magnitude | 17.79 (0.02) | ||||||||||||
| E(B-V) | 0.005 | ||||||||||||
* Constant surface field
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