SDSS J081449.78+405920.7
All names: LAMOST J081449.79+405920.7, SDSS J081449.79+405920.6, WIRED J081449.79+405920.7, [HHD2009] SDSS J0814+4059, GALEX J081449.7+405920, Gaia EDR3 909668335216884992, SDSS J081449.79+405920.7, WD 0811+411, SDSS J081449.78+405920.7, Gaia DR2 909668335216884992, Gaia DR3 909668335216884992
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 14 49.80 (0.2) | 08 14 49.79 | 08 14 49.80 (0.3) | 08 14 49.79 | 08 14 49.80 | 08 14 49.78 (0.2) | 08 14 49.79 | 08 14 49.39 | 08 14 49.79 | |||||
| Declination | 40 59 20.77 (0.2) | 40 59 20.73 | 40 59 20.76 (0.2) | 40 59 20.69 | 40 59 20.77 | 40 59 20.73 (0.2) | 40 59 20.75 | 40 59 13.92 | 40 59 20.73 | |||||
| Spectral type | DA+M | DA+M | DA | DA+M | DA+M | DA dM | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 8056.0 | 10189.0 (174) | 9676.0 (82) | 9558.0 (87) | |||||||||
| log(g) | [cgs] | 7.13 | 8.41 (0.2) | 8.35 (0.1) | 8.15 (0.1) | |||||||||
| Mass | [M☉] | 0.235 | 0.86 (0.1) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.4686 | ||||||||||||
| 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] | 3.21 (0.3) | 3.42 (0.4) | 3.21 | 3.21 (0.3) | |||||||||
| Distance | [pc] | 311.83 (31) | 292.02 (36) | 835.00 (489) | 311.83 | 311.84 (31) | ||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 9.450019971 (0.2) | 9.759399604 (0.6) | 9.45 (0.2) | 3.4 | |||||||||
| Proper motion (declination) | [mas/yr] | 2.120991465 (0.2) | 1.886999644 (0.4) | 2.121 (0.2) | -2.0 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.64 (0.03) | 19.65 | 19.64 (0.03) | 19.65 (0.03) | 19.65 | 19.66 (0.03) | ||||||||
| g magnitude | 19.15 (0.01) | 19.17 | 19.16 (0.01) | 19.17 (0.02) | 19.17 | 19.17 (0.02) | ||||||||
| r magnitude | 19.20 (0.01) | 19.20 | 19.20 (0.01) | 19.20 (0.02) | 19.20 | 19.21 (0.02) | ||||||||
| i magnitude | 19.09 (0.01) | 19.09 | 19.09 (0.01) | 19.09 (0.02) | 19.09 | 19.09 (0.02) | ||||||||
| z magnitude | 18.69 (0.03) | 18.69 | 18.69 (0.03) | 18.69 (0.04) | 18.69 | 18.69 (0.04) | ||||||||
| G magnitude | 19.05 (0.04) | 19.08 | 19.05 | 19.05 (0.004) | ||||||||||
| BP magnitude | 19.27 (0.04) | 19.27 | ||||||||||||
| RP magnitude | 18.70 (0.03) | 18.74 | ||||||||||||
| Pan g magnitude | 19.15 (0.01) | |||||||||||||
| Pan r magnitude | 19.20 (0.01) | |||||||||||||
| Pan i magnitude | 19.14 (0.006) | |||||||||||||
| Pan z magnitude | 18.80 (0.03) | |||||||||||||
| Pan y magnitude | 18.58 (0.04) | |||||||||||||
| E(B-V) | 0.028 | |||||||||||||
* Constant surface field
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