TIC 426569140
Eclipsing binaryProbably known

Notes
NOTE: SIMBAD already lists this star (TYC 9446-895-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 13 (flagged in 1 sector(s)). Detection score 780.9.
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.
The signal
| Type | Eclipsing binary |
| Status | Probably known |
| Period (days) | 4.81683 |
| Period source | hunt.py on TESS QLP sector 13 |
| Eclipse / dip depth | 7.7% |
| Amplitude | 0.6% |
| Data used | TESS sector 13 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 271 (~883 light years) |
| Temperature (Gaia) | 6,274 K |
| Size (Gaia) | 1.28 x the Sun |
| Mass (Gaia) | 1.23 x the Sun |
| Luminosity (Gaia) | 2.49 x the Sun |
| Colour, Gaia BP-RP | 0.84 |
| RUWE (Gaia) | 1.13 - fits a single star |
| Radial velocity (Gaia) | speed changes by 110 km/s - likely an orbiting pair |
| Gaia G mag | 11.24 |
| TESS mag | 10.79 |
Names & neighbours
| TIC ID | 426569140 |
| Gaia DR3 ID | 5780390810593814016 |
| SIMBAD name | TYC 9446-895-1 [SB*] |
| Nearest known variable | Gaia DR3 5780396720467142528 (ROT), 255" away |
| RA (deg) | 246.535 |
| Dec (deg) | -77.9234 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-09 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC426569140_s0013.fits 82 KB
- TIC426569140_s0013.png 41 KB
- thumb.png 29 KB
- meta.json