SDSS J164018.19+334030.7
All names: Gaia EDR3 1326409875237319040, WD 1638+337, Gaia DR2 1326409875237319040, GALEX J164018.2+334031, SDSS J164018.19+334030.7, Gaia DR3 1326409875237319040, SDSS J164018.19+334030.8, SDSS J164018.18+334030.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | 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 | 16 40 18.18 (0.2) | 16 40 18.19 | 16 40 18.18 (0.2) | 16 40 18.18 | 16 40 18.19 (0.2) | 16 40 18.19 | 16 40 17.93 | 16 40 18.19 | |||||
| Declination | 33 40 30.61 (0.2) | 33 40 30.73 | 33 40 30.62 (0.3) | 33 40 30.61 | 33 40 30.74 (0.2) | 33 40 30.77 | 33 40 26.76 | 33 40 30.77 | |||||
| Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 10625.0 | 11325.0 (709) | 11031.0 (188) | 11153.0 (215) | ||||||||
| log(g) | [cgs] | 8.11 | 8.16 (0.1) | 8.02 (0.1) | 7.94 (0.2) | ||||||||
| Mass | [M☉] | 0.67 | 0.701 (0.09) | 0.572 (0.08) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.6025 | |||||||||||
| 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] | 3.26 (0.2) | 3.36 (0.3) | 3.26 | 3.26 (0.2) | ||||||||
| Distance | [pc] | 306.95 (23) | 297.61 (27) | 306.95 | 306.95 (23) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.953142723 (0.2) | -8.199125115 (0.5) | -7.953 (0.2) | 3.7 | ||||||||
| Proper motion (declination) | [mas/yr] | -7.675742812 (0.3) | -8.466220911 (0.6) | -7.676 (0.3) | -1.6 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.93 (0.03) | 19.93 (0.03) | 19.91 (0.04) | 19.91 | 19.94 (0.04) | ||||||||
| g magnitude | 19.48 (0.01) | 19.48 (0.01) | 19.50 (0.01) | 19.49 | 19.50 (0.01) | ||||||||
| r magnitude | 19.62 (0.01) | 19.61 (0.01) | 19.63 (0.02) | 19.63 | 19.63 (0.02) | ||||||||
| i magnitude | 19.80 (0.02) | 19.80 (0.02) | 19.81 (0.02) | 19.81 | 19.81 (0.02) | ||||||||
| z magnitude | 20.02 (0.1) | 20.02 (0.1) | 20.06 (0.1) | 20.06 | 20.06 (0.1) | ||||||||
| G magnitude | 19.53 (0.04) | 19.58 | 19.53 | 19.53 (0.004) | |||||||||
| BP magnitude | 19.62 (0.04) | 19.62 | |||||||||||
| RP magnitude | 19.54 (0.03) | 19.53 | |||||||||||
| Pan g magnitude | 19.43 (0.006) | ||||||||||||
| Pan r magnitude | 19.66 (0.01) | ||||||||||||
| Pan i magnitude | 19.84 (0.01) | ||||||||||||
| Pan z magnitude | 20.02 (0.01) | ||||||||||||
| Pan y magnitude | 19.91 (0.02) | ||||||||||||
| E(B-V) | 0.019 | ||||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
