SDSS J234454.63+144257.3
All names: SDSS J234454.63+144257.3, Gaia DR3 2771107951577364096, SDSS J234454.63+144257.39, Gaia DR2 2771107951577364096, SDSS J234454.60+144257.2, Gaia EDR3 2771107951577364096, GALEX J234454.6+144258, SDSS J234454.62+144257.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 44 54.63 (0.2) | 23 44 54.61 | 23 44 54.63 (0.3) | 23 44 54.61 (0.2) | ||||||
| Declination | 14 42 57.39 (0.2) | 14 42 57.29 | 14 42 57.39 (0.2) | 14 42 57.25 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 19705.0 | 27040.0 (297) | |||||||
| log(g) | [cgs] | 7.42 | 7.66 (0.06) | |||||||
| Mass | [M☉] | 0.366 | 0.519 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0170 | ||||||||
| 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] | 1.31 (0.3) | 1.29 (0.4) | 1.31 (0.3) | ||||||
| Distance | [pc] | 761.55 (158) | 777.54 (217) | 761.56 (158) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 20.28956832 (0.3) | 19.97388848 (0.7) | 20.29 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | 8.556249406 (0.2) | 8.146374539 (0.4) | 8.556 (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 | 19.02 (0.02) | 19.03 (0.02) | 19.02 (0.02) | |||||||
| g magnitude | 19.18 (0.01) | 19.19 (0.02) | 19.16 (0.01) | |||||||
| r magnitude | 19.56 (0.02) | 19.55 (0.02) | 19.55 (0.01) | |||||||
| i magnitude | 19.89 (0.03) | 19.89 (0.03) | 19.87 (0.03) | |||||||
| z magnitude | 20.20 (0.1) | 20.20 (0.1) | 20.18 (0.1) | |||||||
| G magnitude | 19.37 (0.03) | 19.42 | 19.37 (0.004) | |||||||
| BP magnitude | 19.27 (0.03) | 19.25 | ||||||||
| RP magnitude | 19.62 (0.05) | 19.58 | ||||||||
| Pan g magnitude | 19.23 (0.007) | |||||||||
| Pan r magnitude | 19.58 (0.02) | |||||||||
| Pan i magnitude | 19.92 (0.02) | |||||||||
| Pan z magnitude | 20.16 (0.03) | |||||||||
| Pan y magnitude | 20.25 (0.1) | |||||||||
| E(B-V) | 0.052 | |||||||||
* 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
