Gaia DR2 3955739783846030208
All names: SDSS J123901.55+222810.5, Gaia DR3 3955739783846030208, Gaia DR2 3955739783846030208, Gaia EDR3 3955739783846030208, WDJ123901.56+222810.81, WDJ12391.56+222810.80
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 39 01.55 (0.09) | 12 39 01.55 | 12 39 01.55 | 12 39 01.56 (0.09) | 12 39 01.55 | |||||
| Declination | 22 28 10.54 (0.05) | 22 28 10.55 | 22 28 10.54 | 22 28 10.81 (0.05) | 22 28 10.55 | |||||
| Spectral type | DC | D | ||||||||
| Effective temperature | [K] | 9187.0 | 8960.0 | 8410.0 (121) | ||||||
| log(g) | [cgs] | 8.30 | 8.22 | 8.03 (0.03) | ||||||
| Mass | [M☉] | 0.786 | 0.715 | 0.596 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.1730 | 1.1440 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 11.14 (0.1) | 11.15 (0.1) | 11.14 | 11.14 (0.1) | 11.15 (0.1) | ||||
| Distance | [pc] | 89.79 (0.9) | 89.68 (1) | 89.79 | 89.79 (0.9) | 89.68 (1) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.596516742 (0.1) | -2.191705015 (0.2) | -2.597 (0.1) | -2.191705015 | |||||
| Proper motion (declination) | [mas/yr] | -16.62692116 (0.09) | -16.64652048 (0.1) | -16.627 (0.09) | -16.64652048 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.00 (0.03) | 17.96 (0.01) | ||||||||
| g magnitude | 17.62 (0.05) | 17.62 (0.005) | ||||||||
| r magnitude | 17.74 (0.03) | 17.73 (0.006) | ||||||||
| i magnitude | 17.83 (0.03) | 17.84 (0.007) | ||||||||
| z magnitude | 18.00 (0.04) | 17.99 (0.03) | ||||||||
| G magnitude | 17.68 (0.006) | 17.70 | 17.68 | 17.68 (0.003) | 17.70 | |||||
| BP magnitude | 17.75 (0.006) | 17.74 | 17.74 | |||||||
| RP magnitude | 17.54 (0.01) | 17.52 | 17.52 | |||||||
| Pan g magnitude | 17.72 (0.006) | |||||||||
| Pan r magnitude | 17.75 (0.006) | |||||||||
| Pan i magnitude | 17.85 (0.01) | |||||||||
| Pan z magnitude | 17.98 (0.008) | |||||||||
| Pan y magnitude | 18.07 (0.01) | |||||||||
| E(B-V) | 0.004 | |||||||||
* 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
