TIC 309600815
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 3748-860-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 19 (flagged in 1 sector(s)). Detection score 728.7.
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.
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 19 |
| Amplitude | 0.1% |
| Data used | TESS sector 19 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 151 (~491 light years) |
| Temperature (Gaia) | 5,428 K |
| Size (Gaia) | 0.98 x the Sun |
| Mass (Gaia) | 0.86 x the Sun |
| Luminosity (Gaia) | 0.76 x the Sun |
| Colour, Gaia BP-RP | 0.89 |
| RUWE (Gaia) | 1.28 - fits a single star |
| Radial velocity (Gaia) | speed changes by 28 km/s - likely an orbiting pair |
| Gaia G mag | 10.89 |
| TESS mag | 10.42 |
Names & neighbours
| TIC ID | 309600815 |
| Gaia DR3 ID | 263337982656069120 |
| SIMBAD name | TYC 3748-860-1 [SB*] |
| Nearest known variable | ASASSN-V J052425.31+530413.2 (L), 120" away |
| RA (deg) | 81.0649 |
| Dec (deg) | 53.0475 |
| 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
- TIC309600815_s0019.fits 73 KB
- TIC309600815_s0019.png 33 KB
- thumb.png 23 KB
- meta.json
