[VV2006b] J013947.2-091831
All names: [VV2006b] J013947.2-091831, [VV2010b] J013947.2-091831, Gaia DR3 2464805933591882368, SDSS J013947.23-091831.9, SDSS J013947.23-091831.8, GALEX J013947.1-091831, Gaia EDR3 2464805933591882368, Gaia DR2 2464805933591882368
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 39 47.24 (0.2) | 01 39 47.24 | 01 39 47.24 (0.3) | 01 39 47.24 | 01 39 47.24 (0.2) | 01 39 47.23 | ||||||
| Declination | -09 18 32.01 (0.2) | -09 18 31.87 | -09 18 32.00 (0.2) | -09 18 32.01 | -09 18 31.89 (0.2) | -09 18 31.87 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC: | ||||||
| Effective temperature | [K] | 7514.0 | 7257.0 | 6763.0 (237) | 6538.0 (51) | |||||||
| log(g) | [cgs] | 8.21 | 8.12 | 7.98 (0.07) | 10.00 (0.007) | |||||||
| Mass | [M☉] | 0.727 | 0.649 | 0.562 (0.06) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.8070 | 1.7190 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 8.08 (0.3) | 7.83 (0.4) | 8.08 | 8.08 (0.3) | |||||||
| Distance | [pc] | 123.83 (4) | 127.79 (6) | 123.83 | 123.83 (4) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 3.988263491 (0.3) | 4.22776763 (0.8) | 3.988 (0.3) | ||||||||
| Proper motion (declination) | [mas/yr] | -7.203131524 (0.2) | -7.055166268 (0.4) | -7.203 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 19.46 | |||||||||||
| V magnitude | 19.11 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.74 (0.04) | 19.74 (0.04) | 19.73 (0.04) | |||||||||
| g magnitude | 19.17 (0.01) | 19.17 (0.01) | 19.17 (0.01) | |||||||||
| r magnitude | 19.04 (0.01) | 19.04 (0.01) | 19.03 (0.02) | |||||||||
| i magnitude | 19.01 (0.02) | 19.01 (0.02) | 19.01 (0.02) | |||||||||
| z magnitude | 19.15 (0.08) | 19.15 (0.08) | 19.13 (0.08) | |||||||||
| G magnitude | 19.00 (0.03) | 19.04 | 19.00 | 19.00 (0.004) | ||||||||
| BP magnitude | 19.20 (0.03) | 19.09 | ||||||||||
| RP magnitude | 18.74 (0.03) | 18.66 | ||||||||||
| Pan g magnitude | 19.18 (0.01) | |||||||||||
| Pan r magnitude | 19.01 (0.01) | |||||||||||
| Pan i magnitude | 19.06 (0.004) | |||||||||||
| Pan z magnitude | 19.15 (0.01) | |||||||||||
| Pan y magnitude | 19.16 (0.03) | |||||||||||
| 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
