TIC 389572057
Single dip / odd eventProbably known

Notes
NOTE: SIMBAD already lists this star (UCAC4 107-012200) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 5 (flagged in 6 sector(s)). Detection score 245.0.
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 | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 5 |
| Amplitude | 0.4% |
| Data used | TESS sector 5 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 510 (~1,664 light years) |
| Temperature (Gaia) | 6,161 K |
| Size (Gaia) | 1.29 x the Sun |
| Mass (Gaia) | 1.15 x the Sun |
| Luminosity (Gaia) | 2.15 x the Sun |
| Colour, Gaia BP-RP | 0.70 |
| RUWE (Gaia) | 1.10 - fits a single star |
| Radial velocity (Gaia) | speed changes by 82 km/s - likely an orbiting pair |
| Gaia G mag | 12.43 |
| TESS mag | 12.1 |
Names & neighbours
| TIC ID | 389572057 |
| Gaia DR3 ID | 4657752909931575296 |
| SIMBAD name | UCAC4 107-012200 [SB*] |
| Nearest known variable | Gaia DR3 4657753051690992896 (L), 70" away |
| RA (deg) | 86.6115 |
| Dec (deg) | -68.7304 |
| 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
- TIC389572057_s0005.fits 76 KB
- TIC389572057_s0005.png 37 KB
- thumb.png 30 KB
- meta.json