Gaia DR2 4246381595156273792
All names: 20279+0523, 2MASS J20275878+0523538, J2027+0523, WDJ202758.74+052353.25, Gaia EDR3 4246381595156273792, PM J20279+0523, SDSS J202758.76+052352.7, Gaia DR2 4246381595156273792, TIC 375447155, Gaia DR3 4246381595156273792, WDJ202758.74+052353.26, GALEX J202758.7+052353
| 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 | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 27 58.80 (0.07) | 20 27 58.80 | 20 27 58.80 | 20 27 58.74 (0.07) | 20 27 58.80 | |||||||||
| Declination | 05 23 51.41 (0.05) | 05 23 51.47 | 05 23 51.41 | 05 23 53.26 (0.05) | 05 23 51.47 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 7006.0 (28) | 7065.0 (27) | 7006.0 (28) | 6974.0 | 6716.0 | 7170.0 (115) | 7041.0 (55) | ||||||
| log(g) | [cgs] | 7.91 (0.01) | 7.94 (0.01) | 7.92 (0.01) | 7.91 | 7.79 | 7.91 (0.1) | 7.94 (0.02) | ||||||
| Mass | [M☉] | 0.541 (0.008) | 0.559 (0.009) | 0.545 (0.009) | 0.539 | 0.454 | 0.54 (0.06) | 0.554 (0.01) | ||||||
| log(Luminosity) | [L☉] | -3.36 | ||||||||||||
| Cooling age | [Gyr] | 1.4100 | 1.3480 | 1.3240 | ||||||||||
| 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] | 16.66 (0.09) | 16.74 (0.1) | 16.74 (0.1) | 16.66 | 16.66 (0.09) | 16.74 (0.1) | |||||||
| Distance | [pc] | 60.01 (0.3) | 59.74 (0.4) | 59.73 (0.4) | 56.80 (2) | 60.01 | 60.01 (0.3) | 59.73 (0.4) | ||||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 59.54419481 (0.1) | 59.7341787 (0.2) | 72.0 | 59.544 (0.1) | 59.7341787 | ||||||||
| Proper motion (declination) | [mas/yr] | -115.4281187 (0.08) | -115.1657657 (0.1) | -96.0 | -115.428 (0.09) | -115.1657657 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.57 (0.02) | 16.31 | 16.31 (0.1) | |||||||||||
| H magnitude | 15.90 (0.03) | 15.90 | 15.90 (0.2) | |||||||||||
| K magnitude | 15.46 (0.03) | 15.46 | ||||||||||||
| u magnitude | 17.93 (0.01) | 17.93 (0.01) | 17.93 (0.01) | |||||||||||
| g magnitude | 17.37 (0.005) | 17.37 (0.005) | ||||||||||||
| r magnitude | 17.17 (0.005) | 17.17 (0.005) | ||||||||||||
| i magnitude | 17.07 (0.005) | 17.07 (0.005) | ||||||||||||
| z magnitude | 17.11 (0.01) | 17.11 (0.01) | ||||||||||||
| G magnitude | 17.20 (0.006) | 17.22 | 17.20 | 17.20 (0.003) | 17.22 | |||||||||
| BP magnitude | 17.39 (0.006) | 17.38 | 17.38 | |||||||||||
| RP magnitude | 16.86 (0.006) | 16.86 | 16.86 | |||||||||||
| Pan g magnitude | 17.39 (0.002) | 17.39 (0.002) | ||||||||||||
| Pan r magnitude | 17.23 (0.002) | 17.23 (0.003) | ||||||||||||
| Pan i magnitude | 17.19 (0.004) | 17.19 (0.004) | ||||||||||||
| Pan z magnitude | 17.23 (0.01) | 17.23 (0.009) | ||||||||||||
| Pan y magnitude | 17.27 (0.01) | 17.27 (0.01) | ||||||||||||
| E(B-V) | 0.002 | |||||||||||||
* 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
