TIC 402854105
Single dip / odd eventProbably known

Notes
NOTE: SIMBAD already lists this star (UCAC4 076-030948) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 12 (flagged in 1 sector(s)). Detection score 391.1.
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:
2026-10-06 Gaia hints at a hidden companion star (RUWE 2.6)
2026-10-06 Found by the automatic search in TESS sector 12
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 12 |
| Amplitude | 0.3% |
| Data used | TESS sector 12 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 1,027 (~3,349 light years) |
| Temperature (Gaia) | 7,227 K |
| Size (Gaia) | 2.79 x the Sun |
| Mass (Gaia) | 1.89 x the Sun |
| Luminosity (Gaia) | 18.85 x the Sun |
| Colour, Gaia BP-RP | 0.59 |
| RUWE (Gaia) | 2.62 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 73 km/s - likely an orbiting pair |
| Gaia G mag | 11.82 |
| TESS mag | 11.52 |
Names & neighbours
| TIC ID | 402854105 |
| Gaia DR3 ID | 5793347180740491008 |
| SIMBAD name | UCAC4 076-030948 [SB*] |
| Nearest known variable | Gaia DR3 5793347107721404928 (S), 72" away |
| RA (deg) | 225.355 |
| Dec (deg) | -74.8082 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-06 |
| Last update | 2026-10-06 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC402854105_s0012.fits 82 KB
- TIC402854105_s0012.png 35 KB
- thumb.png 25 KB
- meta.json