SDSS J162048.06+352747.9
All names: WD 1618+355, Gaia DR2 1329432467061873664, Gaia DR3 1329432467061873664, SDSS J162048.05+352747.9, GALEX J162048.0+352748, SDSS J162048.06+352747.9, SDSS J162048.06+352748.0, Gaia EDR3 1329432467061873664, SDSS J162048.05+352748.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 20 48.03 (0.1) | 16 20 48.06 | 16 20 48.03 (0.1) | 16 20 48.03 | 16 20 48.06 (0.1) | 16 20 48.06 | 16 20 47.57 | 16 20 48.06 | ||||||
| Declination | 35 27 48.59 (0.1) | 35 27 48.01 | 35 27 48.57 (0.2) | 35 27 48.59 | 35 27 47.82 (0.1) | 35 27 47.93 | 35 27 43.92 | 35 27 47.94 | ||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 8946.0 | 9230.0 (100) | 9273.0 (279) | 9289.0 (68) | 9135.0 (71) | ||||||||
| log(g) | [cgs] | 8.09 | 8.50 (0.1) | 8.12 (0.06) | 8.34 (0.1) | 8.17 (0.1) | ||||||||
| Mass | [M☉] | 0.653 | 0.92 (0.08) | 0.672 (0.05) | 0.697 (0.08) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.9219 | 1.9498 | |||||||||||
| 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] | 5.86 (0.1) | 6.02 (0.2) | 5.86 | 5.86 (0.1) | |||||||||
| Distance | [pc] | 170.63 (4) | 166.08 (5) | 170.63 | 170.63 (4) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -23.02810334 (0.1) | -23.37220648 (0.3) | -23.028 (0.1) | -15.9 | |||||||||
| Proper motion (declination) | [mas/yr] | 47.97635553 (0.2) | 47.6110095 (0.4) | 47.976 (0.2) | 43.8 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.22 (0.02) | 19.22 (0.02) | 19.24 (0.04) | 19.23 | 19.24 (0.04) | |||||||||
| g magnitude | 18.81 (0.008) | 18.82 (0.008) | 18.85 (0.02) | 18.84 | 18.83 (0.02) | |||||||||
| r magnitude | 18.85 (0.01) | 18.85 (0.01) | 18.82 (0.02) | 18.81 | 18.82 (0.02) | |||||||||
| i magnitude | 18.92 (0.01) | 18.92 (0.01) | 18.93 (0.02) | 18.92 | 18.93 (0.02) | |||||||||
| z magnitude | 19.04 (0.04) | 19.04 (0.04) | 19.05 (0.06) | 19.04 | 19.05 (0.06) | |||||||||
| G magnitude | 18.79 (0.02) | 18.82 | 18.79 | 18.79 (0.003) | ||||||||||
| BP magnitude | 18.88 (0.02) | 18.92 | ||||||||||||
| RP magnitude | 18.64 (0.03) | 18.61 | ||||||||||||
| Pan g magnitude | 18.84 (0.006) | |||||||||||||
| Pan r magnitude | 18.85 (0.004) | |||||||||||||
| Pan i magnitude | 18.95 (0.009) | |||||||||||||
| Pan z magnitude | 19.07 (0.01) | |||||||||||||
| Pan y magnitude | 19.15 (0.03) | |||||||||||||
| E(B-V) | 0.016 | |||||||||||||
* 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
