TIC 406403918
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 6390-931-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 2 (flagged in 1 sector(s)). Detection score 130.1.
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.
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 2 |
| Amplitude | 0.2% |
| Data used | TESS sector 2 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 477 (~1,556 light years) |
| Temperature (Gaia) | 6,734 K |
| Size (Gaia) | 1.68 x the Sun |
| Mass (Gaia) | 1.42 x the Sun |
| Luminosity (Gaia) | 5.21 x the Sun |
| Colour, Gaia BP-RP | 0.53 |
| RUWE (Gaia) | 1.03 - fits a single star |
| Radial velocity (Gaia) | speed changes by 36 km/s - likely an orbiting pair |
| Gaia G mag | 11.26 |
| TESS mag | 10.95 |
Names & neighbours
| TIC ID | 406403918 |
| Gaia DR3 ID | 2401535743857765760 |
| SIMBAD name | TYC 6390-931-1 [SB*] |
| Nearest known variable | none within 5' |
| RA (deg) | 341.731 |
| Dec (deg) | -18.502 |
| 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
- TIC406403918_s0002.fits 79 KB
- TIC406403918_s0002.png 38 KB
- thumb.png 37 KB
- meta.json
