SDSS J081840.16+102155.0
All names: SDSS J081840.16+102155.0, SDSS J081840.17+102155.1, SDSS J081840.17+102155.0, GALEX J081840.2+102155, Gaia DR2 600629529711540992, Gaia DR3 600629529711540992, Gaia EDR3 600629529711540992
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 18 40.18 (0.1) | 08 18 40.17 | 08 18 40.18 (0.2) | 08 18 40.18 | 08 18 40.16 (0.1) | 08 18 40.17 | |||||
| Declination | 10 21 55.06 (0.09) | 10 21 55.09 | 10 21 55.06 (0.1) | 10 21 55.06 | 10 21 55.07 (0.09) | 10 21 55.08 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 14531.0 | 14200.0 (631) | 15556.0 (187) | |||||||
| log(g) | [cgs] | 8.07 | 7.99 (0.05) | 7.92 (0.04) | |||||||
| Mass | [M☉] | 0.65 | 0.602 (0.04) | 0.572 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.2404 | |||||||||
| 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] | 4.49 (0.1) | 4.63 (0.2) | 4.49 | 4.49 (0.1) | ||||||
| Distance | [pc] | 222.92 (7) | 215.90 (11) | 222.92 | 222.93 (7) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 13.05712915 (0.2) | 13.40790159 (0.4) | 13.057 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -0.574744579 (0.1) | -0.805133141 (0.2) | -0.575 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.26 (0.01) | 18.26 (0.01) | 18.28 (0.02) | ||||||||
| g magnitude | 17.97 (0.006) | 17.97 (0.006) | 17.98 (0.02) | ||||||||
| r magnitude | 18.25 (0.008) | 18.25 (0.008) | 18.26 (0.01) | ||||||||
| i magnitude | 18.51 (0.01) | 18.51 (0.01) | 18.52 (0.02) | ||||||||
| z magnitude | 18.83 (0.04) | 18.83 (0.04) | 18.82 (0.05) | ||||||||
| G magnitude | 18.14 (0.01) | 18.17 | 18.14 | 18.14 (0.003) | |||||||
| BP magnitude | 18.14 (0.01) | 18.10 | |||||||||
| RP magnitude | 18.23 (0.03) | 18.24 | |||||||||
| Pan g magnitude | 18.01 (0.005) | ||||||||||
| Pan r magnitude | 18.28 (0.004) | ||||||||||
| Pan i magnitude | 18.55 (0.006) | ||||||||||
| Pan z magnitude | 18.79 (0.009) | ||||||||||
| Pan y magnitude | 18.90 (0.04) | ||||||||||
| E(B-V) | 0.012 | ||||||||||
* 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
