TIC 177399359
Single dip / odd eventNew candidate

Notes
Found automatically by hunt.py in TESS sector 17 (flagged in 1 sector(s)). Detection score 220.6.
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:
2026-10-10 Gaia hints at a hidden companion star (RUWE 5.6)
2026-10-10 Found by the automatic search in TESS sector 17
The signal
| Type | Single dip / odd event |
| Status | New candidate |
| Period source | hunt.py on TESS QLP sector 17 |
| Amplitude | 0.4% |
| Data used | TESS sector 17 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 1,520 (~4,958 light years) |
| Temperature (Gaia) | 5,980 K |
| Size (Gaia) | 4.20 x the Sun |
| Mass (Gaia) | 1.75 x the Sun |
| Luminosity (Gaia) | 15.56 x the Sun |
| Colour, Gaia BP-RP | 0.84 |
| RUWE (Gaia) | 5.61 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 41 km/s - likely an orbiting pair |
| Gaia G mag | 12.59 |
| TESS mag | 12.16 |
Names & neighbours
| TIC ID | 177399359 |
| Gaia DR3 ID | 1921742576400624000 |
| SIMBAD name | not in SIMBAD |
| Nearest known variable | ZTF J235249.71+420458.7 (EW, P = 0.3547 d), 128" away |
| RA (deg) | 358.207 |
| Dec (deg) | 42.1185 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-10 |
| Last update | 2026-10-10 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC177399359_s0017.fits 70 KB
- TIC177399359_s0017.png 41 KB
- thumb.png 30 KB
- meta.json