TIC 166175264
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 4172-1508-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 16 (flagged in 1 sector(s)). Detection score 205.7.
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 2.1)
2026-10-10 Found by the automatic search in TESS sector 16
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 16 |
| Amplitude | 0.2% |
| Data used | TESS sector 16 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 317 (~1,033 light years) |
| Temperature (Gaia) | 5,697 K |
| Size (Gaia) | 1.26 x the Sun |
| Mass (Gaia) | 0.96 x the Sun |
| Luminosity (Gaia) | 1.51 x the Sun |
| Colour, Gaia BP-RP | 0.80 |
| RUWE (Gaia) | 2.07 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 42 km/s - likely an orbiting pair |
| Gaia G mag | 11.71 |
| TESS mag | 11.3 |
Names & neighbours
| TIC ID | 166175264 |
| Gaia DR3 ID | 1618287228377733632 |
| SIMBAD name | TYC 4172-1508-1 [SB*] |
| Nearest known variable | Gaia DR3 1618286262010361216 (L), 193" away |
| RA (deg) | 216.853 |
| Dec (deg) | 60.5793 |
| 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
- TIC166175264_s0016.fits 70 KB
- TIC166175264_s0016.png 40 KB
- thumb.png 31 KB
- meta.json
