Gaia DR2 2446993162322393088
All names: Gaia EDR3 2446993162322393088, SDSS J233917.05-042425.0, Gaia DR3 2446993162322393088, TIC 136841996, Gaia DR2 2446993162322393088, USNO-A2.0 0825-19992233, GALEX J233917.0-042425, WDJ233917.03-042424.66, 2MASS J23391701-0424248, SDSS J233917.04-042425.0, WDJ233917.03-042424.67, J2339-0424
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 39 17.05 (0.05) | 23 39 17.05 | 23 39 17.05 | 23 39 17.03 (0.05) | 23 39 17.05 | |||||||
| Declination | -04 24 25.18 (0.04) | -04 24 25.17 | -04 24 25.18 | -04 24 24.67 (0.04) | -04 24 25.17 | |||||||
| Spectral type | DBAZ | DBAZ: | DB | DBAZ | ||||||||
| Effective temperature | [K] | 12915.0 (168) | 14532.0 (220) | 13521.0 | 14445.0 | 14649.0 (292) | ||||||
| log(g) | [cgs] | 7.81 (0.02) | 8.04 (0.02) | 7.94 | 8.03 | 8.06 (0.02) | ||||||
| Mass | [M☉] | 0.485 (0.01) | 0.612 (0.02) | 0.574 | 0.605 | 0.625 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2459 | 0.2342 | |||||||||
| log(H/He) | -3.5 | -5 | ||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 11.20 (0.06) | 11.11 (0.1) | 11.20 | 11.20 (0.06) | 11.11 (0.1) | ||||||
| Distance | [pc] | 89.28 (0.5) | 90.03 (0.8) | 89.28 | 89.28 (0.5) | 90.03 (0.8) | ||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 24.50060643 (0.06) | 24.71560764 (0.1) | 24.501 (0.06) | 24.71560764 | |||||||
| Proper motion (declination) | [mas/yr] | -32.29264054 (0.05) | -32.19317566 (0.1) | -32.293 (0.05) | -32.19317566 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.00 (0.3) | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 16.20 (0.3) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.61 (0.1) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 15.96 (0.006) | 15.96 (0.006) | ||||||||||
| g magnitude | 16.04 (0.004) | 16.04 (0.004) | ||||||||||
| r magnitude | 16.30 (0.004) | 16.30 (0.004) | ||||||||||
| i magnitude | 16.53 (0.005) | 16.53 (0.005) | ||||||||||
| z magnitude | 16.76 (0.01) | 16.76 (0.01) | ||||||||||
| G magnitude | 16.16 (0.003) | 16.18 | 16.16 | 16.16 (0.003) | 16.18 | |||||||
| BP magnitude | 16.11 (0.003) | 16.07 | 16.07 | |||||||||
| RP magnitude | 16.26 (0.005) | 16.25 | 16.25 | |||||||||
| Pan g magnitude | 16.07 (0.007) | |||||||||||
| Pan r magnitude | 16.32 (0.002) | |||||||||||
| Pan i magnitude | 16.58 (0.003) | |||||||||||
| Pan z magnitude | 16.78 (0.005) | |||||||||||
| Pan y magnitude | 16.95 (0.01) | |||||||||||
| E(B-V) | 0.005 | |||||||||||
* 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
