TIC 181817731
Eclipsing binaryNew candidate
Notes
Found automatically by hunt.py in TESS sector 9 (flagged in 1 sector(s)). Detection score 1518.8.
Not in VSX, ASAS-SN or ZTF variable catalogues at the time of the search; Gaia DR3 lists it as a variable-star candidate.
Unchecked by hand yet: verify the period, nearby stars and a wider catalogue search.
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 1.60817 |
| Period source | hunt.py on TESS QLP sector 9 |
| Eclipse / dip depth | 18.5% |
| Amplitude | 9.7% |
| Data used | TESS sector 9 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 187 (~610 light years) |
| Temperature (Gaia) | 5,078 K |
| Size (Gaia) | 1.03 x the Sun |
| Mass (Gaia) | 0.88 x the Sun |
| Luminosity (Gaia) | 0.63 x the Sun |
| Colour, Gaia BP-RP | 1.06 |
| RUWE (Gaia) | 0.86 - fits a single star |
| Radial velocity (Gaia) | speed changes by 151 km/s - likely an orbiting pair |
| Gaia G mag | 11.73 |
| TESS mag | 11.18 |
Names & neighbours
| TIC ID | 181817731 |
| Gaia DR3 ID | 3553332306335529856 |
| SIMBAD name | UCAC2 25312898 [*] |
| Nearest known variable | none within 5' |
| RA (deg) | 165.988 |
| Dec (deg) | -17.1748 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-03 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC181817731_s0009.fits 73 KB
- TIC181817731_s0009.png 36 KB
- thumb.png 33 KB
- meta.json
