Gaia DR2 1735171735387308160
All names: J2045+0424, Gaia DR3 1735171735387308160, SDSS J204514.97+042444.8, Gaia EDR3 1735171735387308160, WDJ204514.98+042445.05, Gaia DR2 1735171735387308160, SDSS J204514.97+042444.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 45 14.94 (0.2) | 20 45 14.94 | 20 45 14.94 | 20 45 14.98 (0.2) | 20 45 14.94 | ||||||||
| Declination | 04 24 44.41 (0.2) | 04 24 44.43 | 04 24 44.41 | 04 24 45.06 (0.2) | 04 24 44.43 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 6461.0 (44) | 6355.0 (41) | 6462.0 (43) | 6360.0 | 6113.0 | 6508.0 (166) | ||||||
| log(g) | [cgs] | 8.55 (0.02) | 8.53 (0.03) | 8.56 (0.03) | 8.54 | 8.42 | 8.56 (0.05) | ||||||
| Mass | [M☉] | 0.946 (0.02) | 0.936 (0.03) | 0.955 (0.03) | 0.936 | 0.847 | 0.952 (0.04) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 5.1400 | 4.7380 | 4.8780 | |||||||||
| 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] | 11.65 (0.3) | 11.77 (0.4) | 11.77 (0.4) | 11.65 | 11.65 (0.3) | 11.77 (0.4) | ||||||
| Distance | [pc] | 85.87 (2) | 84.96 (3) | 84.96 (3) | 85.87 | 85.87 (2) | 84.96 (3) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -41.97176693 (0.3) | -41.50119534 (0.6) | -41.972 (0.3) | -41.50119534 | ||||||||
| Proper motion (declination) | [mas/yr] | -40.45412723 (0.2) | -39.80787623 (0.4) | -40.454 (0.2) | -39.80787623 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 18.53 (0.08) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.33 (0.06) | 20.18 (0.06) | 20.33 (0.06) | ||||||||||
| g magnitude | 19.52 (0.01) | 19.56 (0.01) | |||||||||||
| r magnitude | 19.26 (0.01) | 19.25 (0.01) | |||||||||||
| i magnitude | 19.11 (0.02) | 19.18 (0.02) | |||||||||||
| z magnitude | 19.21 (0.06) | 19.16 (0.06) | |||||||||||
| G magnitude | 19.25 (0.03) | 19.28 | 19.25 | 19.25 (0.004) | 19.28 | ||||||||
| BP magnitude | 19.54 (0.03) | 19.58 | 19.58 | ||||||||||
| RP magnitude | 18.85 (0.03) | 18.87 | 18.87 | ||||||||||
| Pan g magnitude | 19.51 (0.008) | 19.51 (0.006) | |||||||||||
| Pan r magnitude | 19.28 (0.009) | 19.28 (0.009) | |||||||||||
| Pan i magnitude | 19.19 (0.004) | 19.19 (0.004) | |||||||||||
| Pan z magnitude | 19.17 (0.02) | 19.17 (0.01) | |||||||||||
| Pan y magnitude | 19.17 (0.03) | 19.17 (0.04) | |||||||||||
| E(B-V) | 0.009 | ||||||||||||
* 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
