TIC 166150853
Single dip / odd eventNew candidate
Notes
Found automatically by hunt.py in TESS sector 21 (flagged in 3 sector(s)). Detection score 194.4.
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 1.5)
2026-10-10 Found by the automatic search in TESS sector 15
The signal
| Type | Single dip / odd event |
| Status | New candidate |
| Period source | hunt.py on TESS QLP sector 21 |
| Amplitude | 0.2% |
| Data used | TESS sector 21 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 421 (~1,375 light years) |
| Temperature (Gaia) | 5,624 K |
| Size (Gaia) | 1.79 x the Sun |
| Mass (Gaia) | 1.08 x the Sun |
| Luminosity (Gaia) | 2.88 x the Sun |
| Colour, Gaia BP-RP | 0.84 |
| RUWE (Gaia) | 1.52 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 64 km/s - likely an orbiting pair |
| Gaia G mag | 11.64 |
| TESS mag | 11.19 |
Names & neighbours
| TIC ID | 166150853 |
| Gaia DR3 ID | 1667412789432205568 |
| SIMBAD name | TYC 4175-1125-1 [*] |
| Nearest known variable | Gaia DR3 1667411719985135616 (E, P = 0.35305 d), 276" away |
| RA (deg) | 216.206 |
| Dec (deg) | 64.2861 |
| 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
- TIC166150853_s0015.fits 76 KB
- TIC166150853_s0015.png 36 KB
- TIC166150853_s0021.fits 79 KB
- TIC166150853_s0021.png 35 KB
- thumb.png 30 KB
- meta.json
