SDSS J171728.35+283833.4
All names: Gaia EDR3 4575318022072064256, GALEX J171728.3+283833, SDSS J171728.36+283833.4, Gaia DR2 4575318022072064256, Gaia DR3 4575318022072064256, WD 1715+286, SDSS J171728.35+283833.4
| 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 | 17 17 28.35 (0.1) | 17 17 28.36 | 17 17 28.35 (0.2) | 17 17 28.35 | 17 17 28.36 (0.1) | 17 17 28.36 | 17 17 27.91 | 17 17 28.36 | ||||||
| Declination | 28 38 33.41 (0.2) | 28 38 33.45 | 28 38 33.41 (0.2) | 28 38 33.41 | 28 38 33.43 (0.2) | 28 38 33.45 | 28 38 33.00 | 28 38 33.45 | ||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 9470.0 | 9910.0 (110) | 10411.0 (363) | 9865.0 (83) | 9672.0 (84) | ||||||||
| log(g) | [cgs] | 6.87 | 8.25 (0.1) | 7.16 (0.09) | 8.16 (0.1) | 8.00 (0.1) | ||||||||
| Mass | [M☉] | 0.191 | 0.76 (0.08) | 0.255 (0.03) | 0.6 (0.07) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.9333 | ||||||||||||
| 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] | 2.42 (0.2) | 2.23 (0.2) | 2.42 | 2.42 (0.2) | |||||||||
| Distance | [pc] | 413.19 (31) | 448.14 (47) | 413.19 | 413.19 (31) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.00837411 (0.2) | -6.243828065 (0.4) | -6.008 (0.2) | -8.6 | |||||||||
| Proper motion (declination) | [mas/yr] | -1.587433413 (0.2) | -1.807939327 (0.4) | -1.587 (0.2) | -2.9 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.51 (0.03) | 19.51 (0.03) | 19.51 (0.03) | 19.51 | 19.50 (0.03) | |||||||||
| g magnitude | 18.97 (0.009) | 18.97 (0.009) | 19.04 (0.01) | 19.04 | 19.03 (0.01) | |||||||||
| r magnitude | 19.09 (0.01) | 19.09 (0.01) | 19.07 (0.01) | 19.07 | 19.07 (0.01) | |||||||||
| i magnitude | 19.18 (0.02) | 19.18 (0.01) | 19.20 (0.02) | 19.20 | 19.19 (0.02) | |||||||||
| z magnitude | 19.39 (0.06) | 19.39 (0.06) | 19.32 (0.05) | 19.33 | 19.31 (0.05) | |||||||||
| G magnitude | 19.01 (0.03) | 19.04 | 19.01 | 19.01 (0.004) | ||||||||||
| BP magnitude | 19.04 (0.03) | 19.14 | ||||||||||||
| RP magnitude | 18.93 (0.04) | 18.86 | ||||||||||||
| Pan g magnitude | 19.00 (0.008) | |||||||||||||
| Pan r magnitude | 19.07 (0.009) | |||||||||||||
| Pan i magnitude | 19.21 (0.01) | |||||||||||||
| Pan z magnitude | 19.39 (0.02) | |||||||||||||
| Pan y magnitude | 19.47 (0.05) | |||||||||||||
| E(B-V) | 0.026 | |||||||||||||
* 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
