WD 0850+415
All names: Gaia DR3 912665947516962560, SDSS J085345.93+411850.0, WD 0850+415, WDJ085345.95+411849.88, SDSS J085345.93+411850.1, USNO-B1.0 1313-00201500, Gaia DR2 912665947516962560, LSPM J0853+4118, Gaia EDR3 912665947516962560, SDSS J085345.92+411850.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 53 45.77 (0.2) | 08 53 45.78 (0.2) | 08 53 45.77 | 08 53 45.95 (0.2) | 08 53 45.78 | 08 53 45.82 | ||||||
| Declination | 41 18 51.53 (0.1) | 41 18 51.48 (0.2) | 41 18 51.53 | 41 18 49.89 (0.1) | 41 18 51.48 | 41 18 48.24 | ||||||
| Spectral type | DC | D | D | DA | D | ___9.0 | ||||||
| Effective temperature | [K] | 5059.0 (40) | 5529.0 | 5240.0 | 5569.0 (91) | |||||||
| log(g) | [cgs] | 8.24 (0.02) | 8.45 | 8.29 | 8.49 (0.04) | |||||||
| Mass | [M☉] | 0.723 (0.02) | 0.877 | 0.757 | 0.906 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 6.7130 | 6.5500 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(N/He) | ||||||||||||
| log(O/He) | ||||||||||||
| log(Na/He) | ||||||||||||
| log(Mg/He) | ||||||||||||
| log(Al/He) | ||||||||||||
| log(Si/He) | ||||||||||||
| log(P/He) | ||||||||||||
| log(S/He) | ||||||||||||
| log(Cl/He) | ||||||||||||
| log(Sc/He) | ||||||||||||
| log(Ti/He) | ||||||||||||
| log(V/He) | ||||||||||||
| log(Cr/He) | ||||||||||||
| log(Mn/He) | ||||||||||||
| log(Fe/He) | ||||||||||||
| log(Co/He) | ||||||||||||
| log(Ni/He) | ||||||||||||
| log(Cu/He) | ||||||||||||
| log(Zn/He) | ||||||||||||
| log(Ga/He) | ||||||||||||
| log(Ge/He) | ||||||||||||
| log(Sr/He) | ||||||||||||
| Parallax | [mas] | 18.32 (0.2) | 17.88 (0.3) | 18.32 | 18.32 (0.2) | 17.88 (0.3) | ||||||
| Distance | [pc] | 54.57 (0.6) | 55.94 (0.9) | 54.57 | 54.57 (0.6) | 55.94 (0.9) | ||||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -127.3663819 (0.2) | -127.9997365 (0.4) | -127.366 (0.2) | -127.9997365 | |||||||
| Proper motion (declination) | [mas/yr] | 102.4466468 (0.2) | 102.8251854 (0.3) | 102.447 (0.2) | 102.8251854 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 19.10 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.70 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.83 (0.04) | |||||||||||
| H magnitude | 17.70 (0.05) | |||||||||||
| K magnitude | 17.67 (0.06) | |||||||||||
| u magnitude | 20.59 (0.06) | 20.59 (0.06) | 20.38 | |||||||||
| g magnitude | 19.27 (0.01) | 19.27 (0.01) | 19.33 | |||||||||
| r magnitude | 18.78 (0.01) | 18.78 (0.01) | 18.75 | |||||||||
| i magnitude | 18.59 (0.01) | 18.59 (0.01) | 18.59 | |||||||||
| z magnitude | 18.53 (0.03) | 18.53 (0.03) | 18.60 | |||||||||
| G magnitude | 18.79 (0.03) | 18.81 | 18.79 | 18.79 (0.003) | 18.81 | |||||||
| BP magnitude | 19.20 (0.03) | 19.19 | 19.19 | |||||||||
| RP magnitude | 18.25 (0.03) | 18.28 | 18.28 | |||||||||
| Pan g magnitude | 19.22 (0.01) | |||||||||||
| Pan r magnitude | 18.79 (0.01) | |||||||||||
| Pan i magnitude | 18.57 (0.004) | |||||||||||
| Pan z magnitude | 18.54 (0.009) | |||||||||||
| Pan y magnitude | 18.56 (0.02) | |||||||||||
| E(B-V) | 0.001 | |||||||||||
* Constant surface field
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