WD 1622+587
All names: Gaia DR3 1623866184737702912, SDSS J162259.68+584030.2, Gaia EDR3 1623866184737702912, GALEX J162259.7+584029, SBSS 1622+587, USNO-B1.0 1486-00233011, WD 1622+587, Gaia DR2 1623866184737702912, LSPM J1622+5840
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 22 59.73 (0.04) | 16 22 59.73 (0.06) | 16 22 59.73 | 16 22 59.64 (0.04) | 16 22 58.56 | ||||
| Declination | 58 40 28.84 (0.04) | 58 40 28.90 (0.06) | 58 40 28.84 | 58 40 30.90 (0.04) | 58 40 36.84 | ||||
| Spectral type | DB | DB | DB | DB | |||||
| Effective temperature | [K] | 18848.0 | 20986.0 (766) | ||||||
| log(g) | [cgs] | 7.85 | 7.95 (0.03) | ||||||
| Mass | [M☉] | 0.515 | 0.57 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 0.0654 | |||||||
| 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] | 5.45 (0.05) | 5.46 (0.06) | 5.45 | 5.45 (0.05) | ||||
| Distance | [pc] | 183.50 (2) | 183.19 (2) | 183.50 | 183.50 (2) | ||||
| Composition | He | ||||||||
| Proper motion (right ascension) | [mas/yr] | 43.48319045 (0.06) | 43.21417419 (0.1) | 43.483 (0.06) | |||||
| Proper motion (declination) | [mas/yr] | -128.7257065 (0.06) | -128.6917152 (0.1) | -128.726 (0.06) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.90 | ||||||||
| V magnitude | |||||||||
| R magnitude | 16.90 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.53 (0.02) | ||||||||
| g magnitude | 16.66 (0.02) | ||||||||
| r magnitude | 17.04 (0.01) | ||||||||
| i magnitude | 17.34 (0.02) | ||||||||
| z magnitude | 17.57 (0.02) | ||||||||
| G magnitude | 16.85 (0.004) | 16.87 | 16.85 | 16.85 (0.003) | |||||
| BP magnitude | 16.76 (0.004) | 16.71 | |||||||
| RP magnitude | 16.99 (0.007) | 17.00 | |||||||
| Pan g magnitude | 16.72 (0.004) | ||||||||
| Pan r magnitude | 17.04 (0.007) | ||||||||
| Pan i magnitude | 17.33 (0.003) | ||||||||
| Pan z magnitude | 17.57 (0.004) | ||||||||
| Pan y magnitude | 17.77 (0.01) | ||||||||
| E(B-V) | 0.017 | ||||||||
* Constant surface field
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