Gaia DR2 4436905352274528896
All names: Gaia DR3 4436905352274528896, SDSS J162157.77+043218.8, Gaia DR2 4436905352274528896, GALEX J162157.7+043219, Gaia EDR3 4436905352274528896, WDJ162157.79+043218.81, J1621+0432, WDJ162157.79+043218.80
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Jewett et al. 2024 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 21 57.72 (0.05) | 16 21 57.72 | 16 21 57.72 | 16 21 57.79 (0.05) | 16 21 57.72 | ||||||||
| Declination | 04 32 18.99 (0.04) | 04 32 18.99 | 04 32 18.99 | 04 32 18.80 (0.04) | 04 32 18.99 | ||||||||
| Spectral type | DAH | DAH | DC | DA: | DC | ||||||||
| Effective temperature | [K] | 21636.0 (196) | 21636.0 (197) | 18072.0 (269) | 17297.0 | 17271.0 | 19789.0 (387) | ||||||
| log(g) | [cgs] | 9.21 (0.008) | 9.21 | 9.14 (0.01) | 9.06 | 9.10 | 9.15 (0.01) | ||||||
| Mass | [M☉] | 1.278 (0.002) | 1.278 (0.003) | 1.246 (0.005) | 1.224 | 1.23 | 1.257 (0.005) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.6900 (0.02) | 0.8728 | 0.8768 | |||||||||
| log(H/He) | -5 | ||||||||||||
| 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] | 16.24 (0.07) | 16.28 (0.09) | 16.24 | 16.24 (0.07) | 16.28 (0.09) | |||||||
| Distance | [pc] | 61.58 (0.3) | 61.43 (0.3) | 61.58 | 61.58 (0.3) | 61.43 (0.3) | |||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -66.38956405 (0.07) | -66.33364639 (0.1) | -66.39 (0.07) | -66.33364639 | ||||||||
| Proper motion (declination) | [mas/yr] | 11.73043263 (0.05) | 11.68353614 (0.07) | 11.73 (0.05) | 11.68353614 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 16.57 (0.007) | 16.61 (0.007) | |||||||||||
| g magnitude | 16.71 (0.005) | 16.68 (0.004) | |||||||||||
| r magnitude | 17.03 (0.006) | 17.05 (0.005) | |||||||||||
| i magnitude | 17.29 (0.007) | 17.30 (0.006) | |||||||||||
| z magnitude | 17.58 (0.02) | 17.63 (0.02) | |||||||||||
| G magnitude | 16.86 (0.006) | 16.88 | 16.86 | 16.86 (0.003) | 16.88 | ||||||||
| BP magnitude | 16.78 (0.006) | 16.74 | 16.74 | ||||||||||
| RP magnitude | 17.02 (0.006) | 17.01 | 17.01 | ||||||||||
| Pan g magnitude | 16.75 (0.001) | ||||||||||||
| Pan r magnitude | 17.06 (0.002) | ||||||||||||
| Pan i magnitude | 17.33 (0.004) | ||||||||||||
| Pan z magnitude | 17.56 (0.003) | ||||||||||||
| Pan y magnitude | 17.76 (0.008) | ||||||||||||
| 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
