TIC 289129868
Single dip / odd eventProbably known

Notes
NOTE: SIMBAD already lists this star (HD 347768B) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 15 (flagged in 1 sector(s)). Detection score 308.0.
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.
Updates:
2026-10-10 Gaia hints at a hidden companion star (RUWE 2.0)
2026-10-10 Found by the automatic search in TESS sector 15
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 15 |
| Amplitude | 0.5% |
| Data used | TESS sector 15 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 261 (~851 light years) |
| Temperature (Gaia) | 5,418 K |
| Size (Gaia) | 1.17 x the Sun |
| Mass (Gaia) | 0.91 x the Sun |
| Luminosity (Gaia) | 1.06 x the Sun |
| Colour, Gaia BP-RP | 0.94 |
| RUWE (Gaia) | 2.02 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 46 km/s - likely an orbiting pair |
| Gaia G mag | 11.86 |
| TESS mag | 11.37 |
Names & neighbours
| TIC ID | 289129868 |
| Gaia DR3 ID | 1839259035151792768 |
| SIMBAD name | HD 347768B [SB*] |
| Nearest known variable | ASASSN-V J205800.02+224643.0 (SRS, P = 22.96 d), 167" away |
| RA (deg) | 314.538 |
| Dec (deg) | 22.8093 |
| 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
- TIC289129868_s0015.fits 76 KB
- TIC289129868_s0015.png 35 KB
- thumb.png 26 KB
- meta.json