WD 1917+599
All names: LB 342, Gaia DR3 2239709863001566848, Gaia DR2 2239709863001566848, UCAC4 750-057065, TIC 229966905, WISE J191823.86+595953.4, WISEA J191823.84+595953.3, GALEX J191823.7+595953, GALEX J191824.0+595954, WD 1917+599, GALEX J191823.7+595952, RE J191825+595959, PN G091.0+20.0, Gaia EDR3 2239709863001566848, HS 1917+5954, 1RXS J191824.6+595953, 2EUVE J1918+59.9, RE J1918+595, EUVE J1918+60.0, EQ J1918+5959, EUVE J1918+59.9, 2RE J191823+595955, 2RE J1918+595, 2MASS J19182386+5959547
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 19 18 23.90 (0.03) | 19 18 23.90 (0.03) | 19 18 23.90 | 19 18 23.87 (0.03) | 19 18 22.92 | ||||
| Declination | 59 59 53.53 (0.03) | 59 59 53.56 (0.04) | 59 59 53.53 | 59 59 54.64 (0.03) | 59 59 52.44 | ||||
| Spectral type | DA | DA | DA | DA1.5 | |||||
| Effective temperature | [K] | 27796.0 | 33447.0 (736) | ||||||
| log(g) | [cgs] | 7.72 | 7.96 (0.02) | ||||||
| Mass | [M☉] | 0.503 | 0.63 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 0.0117 | |||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| log(Li/H) | |||||||||
| log(Be/H) | |||||||||
| log(B/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(Cl/H) | |||||||||
| log(K/H) | |||||||||
| log(Sc/H) | |||||||||
| log(Ti/H) | |||||||||
| log(V/H) | |||||||||
| log(Cr/H) | |||||||||
| log(Mn/H) | |||||||||
| log(Fe/H) | |||||||||
| log(Co/H) | |||||||||
| log(Ni/H) | |||||||||
| log(Cu/H) | |||||||||
| log(Sr/H) | |||||||||
| Parallax | [mas] | 9.44 (0.03) | 9.50 (0.04) | 9.44 | 9.44 (0.03) | ||||
| Distance | [pc] | 105.94 (0.4) | 105.22 (0.4) | 105.94 | 105.94 (0.4) | ||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 14.313824 (0.04) | 14.22268603 (0.08) | 14.314 (0.04) | |||||
| Proper motion (declination) | [mas/yr] | -69.61587375 (0.04) | -69.91085234 (0.08) | -69.616 (0.04) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 14.60 (0.01) | ||||||||
| V magnitude | 14.91 (0.03) | ||||||||
| R magnitude | 15.09 (0.09) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.45 (0.05) | ||||||||
| H magnitude | 15.63 (0.1) | ||||||||
| K magnitude | 15.43 (0.2) | ||||||||
| u magnitude | |||||||||
| g magnitude | 14.59 (0.02) | ||||||||
| r magnitude | 15.05 (0.01) | ||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 14.78 (0.002) | 14.79 | 14.78 | 14.78 (0.003) | |||||
| BP magnitude | 14.63 (0.002) | 14.56 | |||||||
| RP magnitude | 15.08 (0.003) | 15.07 | |||||||
| Pan g magnitude | 14.61 (0.005) | ||||||||
| Pan r magnitude | 15.04 (0.002) | ||||||||
| Pan i magnitude | 15.40 (0.003) | ||||||||
| Pan z magnitude | 15.68 (0.001) | ||||||||
| Pan y magnitude | 15.88 (0.001) | ||||||||
| E(B-V) | 0.012 | ||||||||
* Constant surface field
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