TIC 219877568
Single dip / odd eventProbably known

Notes
NOTE: SIMBAD already lists this star (TYC 4421-352-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 25 (flagged in 1 sector(s)). Detection score 128.3.
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 25 |
| Amplitude | 0.4% |
| Data used | TESS sector 25 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 370 (~1,206 light years) |
| Temperature (Gaia) | 5,981 K |
| Size (Gaia) | 2.21 x the Sun |
| Mass (Gaia) | 1.30 x the Sun |
| Luminosity (Gaia) | 5.64 x the Sun |
| Colour, Gaia BP-RP | 0.72 |
| RUWE (Gaia) | 1.05 - fits a single star |
| Radial velocity (Gaia) | speed changes by 116 km/s - likely an orbiting pair |
| Gaia G mag | 10.63 |
| TESS mag | 10.24 |
Names & neighbours
| TIC ID | 219877568 |
| Gaia DR3 ID | 1638609123838276224 |
| SIMBAD name | TYC 4421-352-1 [SB*] |
| Nearest known variable | none within 5' |
| RA (deg) | 260.721 |
| Dec (deg) | 69.5667 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-11 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC219877568_s0025.fits 73 KB
- TIC219877568_s0025.png 38 KB
- thumb.png 37 KB
- meta.json