TIC 56257643
Single dip / odd eventProbably known

Notes
NOTE: SIMBAD already lists this star (TYC 7135-1729-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 8 (flagged in 1 sector(s)). Detection score 233.8.
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 8 |
| Amplitude | 0.2% |
| Data used | TESS sector 8 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 409 (~1,333 light years) |
| Temperature (Gaia) | 6,258 K |
| Size (Gaia) | 1.51 x the Sun |
| Mass (Gaia) | 1.24 x the Sun |
| Luminosity (Gaia) | 3.13 x the Sun |
| Colour, Gaia BP-RP | 0.69 |
| RUWE (Gaia) | 1.30 - fits a single star |
| Radial velocity (Gaia) | speed changes by 52 km/s - likely an orbiting pair |
| Gaia G mag | 11.55 |
| TESS mag | 11.19 |
Names & neighbours
| TIC ID | 56257643 |
| Gaia DR3 ID | 5643078197887456384 |
| SIMBAD name | TYC 7135-1729-1 [SB*] |
| Nearest known variable | Gaia DR3 5643079881514097536 (ROT), 70" away |
| RA (deg) | 126.839 |
| Dec (deg) | -31.8585 |
| 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
- TIC56257643_s0008.fits 62 KB
- TIC56257643_s0008.png 36 KB
- thumb.png 27 KB
- meta.json