SDSS J154406.51+384757.6
All names: SDSS J154406.50+384757.6, SDSS J154406.52+384757.6, SDSS J154406.51+384757.6, Gaia DR2 1377168481640288640, SDSS J154406.51+384757.65, Gaia DR3 1377168481640288640, Gaia EDR3 1377168481640288640, GALEX J154406.4+384757
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 44 06.50 (0.09) | 15 44 06.52 | 15 44 06.50 (0.1) | 15 44 06.50 | 15 44 06.53 (0.09) | ||||||
| Declination | 38 47 57.70 (0.1) | 38 47 57.64 | 38 47 57.70 (0.1) | 38 47 57.70 | 38 47 57.62 (0.1) | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 14926.0 | 17079.0 (120) | 16217.0 (813) | |||||||
| log(g) | [cgs] | 7.86 | 8.12 (0) | 7.95 (0.06) | |||||||
| Mass | [M☉] | 0.537 | 0.6809999999999999 (0) | 0.586 (0.05) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1608 | |||||||||
| 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] | 3.74 (0.1) | 3.74 (0.2) | 3.74 | 3.74 (0.1) | ||||||
| Distance | [pc] | 267.60 (9) | 267.74 (11) | 267.60 | 267.59 (9) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -25.55082496 (0.1) | -25.59515865 (0.2) | -25.551 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | 5.256926263 (0.2) | 5.577153624 (0.3) | 5.257 (0.2) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.33 (0.01) | 18.33 (0.01) | 18.33 (0.01) | ||||||||
| g magnitude | 18.07 (0.006) | 18.07 (0.01) | 18.07 (0.006) | ||||||||
| r magnitude | 18.41 (0.008) | 18.41 (0.01) | 18.41 (0.008) | ||||||||
| i magnitude | 18.69 (0.01) | 18.69 (0.01) | 18.69 (0.01) | ||||||||
| z magnitude | 18.92 (0.04) | 18.92 (0.04) | 18.92 (0.04) | ||||||||
| G magnitude | 18.26 (0.01) | 18.28 | 18.26 | 18.26 (0.003) | |||||||
| BP magnitude | 18.23 (0.01) | 18.22 | |||||||||
| RP magnitude | 18.39 (0.03) | 18.37 | |||||||||
| Pan g magnitude | 18.13 (0.006) | ||||||||||
| Pan r magnitude | 18.42 (0.007) | ||||||||||
| Pan i magnitude | 18.68 (0.01) | ||||||||||
| Pan z magnitude | 18.92 (0.01) | ||||||||||
| Pan y magnitude | 19.09 (0.04) | ||||||||||
| E(B-V) | 0.022 | ||||||||||
* 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
