TIC 394559789
Eclipsing binaryNew candidate
Notes
Found automatically by hunt.py in TESS sector 28 (flagged in 3 sector(s)). Detection score 103.8.
Not in VSX, ASAS-SN or ZTF variable catalogues at the time of the search; not in Gaia DR3's variable lists.
Unchecked by hand yet: verify the period, nearby stars and a wider catalogue search.
Updates:
2026-10-12 Gaia hints at a hidden companion star (RUWE 2.6)
2026-10-12 Found by the automatic search in TESS sector 28
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 2.83421 |
| Period source | hunt.py on TESS QLP sector 28 |
| Eclipse / dip depth | 1.4% |
| Amplitude | 0.5% |
| Data used | TESS sector 28 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 665 (~2,170 light years) |
| Temperature (Gaia) | 6,150 K |
| Size (Gaia) | 2.19 x the Sun |
| Mass (Gaia) | 1.44 x the Sun |
| Luminosity (Gaia) | 6.18 x the Sun |
| Colour, Gaia BP-RP | 0.71 |
| RUWE (Gaia) | 2.63 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 129 km/s - likely an orbiting pair |
| Gaia G mag | 11.87 |
| TESS mag | 11.5 |
Names & neighbours
| TIC ID | 394559789 |
| Gaia DR3 ID | 6404267795681921280 |
| SIMBAD name | TYC 9124-1671-1 [*] |
| Nearest known variable | none within 5' |
| RA (deg) | 337.948 |
| Dec (deg) | -65.3816 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-12 |
| Last update | 2026-10-12 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC394559789_s0028.fits 200 KB
- TIC394559789_s0028.png 66 KB
- thumb.png 101 KB
- meta.json
