TIC 408557173
Single dip / odd eventNew candidate
Notes
Found automatically by hunt.py in TESS sector 19 (flagged in 1 sector(s)). Detection score 365.9.
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:
2026-10-11 Gaia hints at a hidden companion star (RUWE 5.0)
2026-10-11 Found by the automatic search in TESS sector 19
The signal
| Type | Single dip / odd event |
| Status | New candidate |
| Period source | hunt.py on TESS QLP sector 19 |
| Amplitude | 0.2% |
| Data used | TESS sector 19 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 449 (~1,465 light years) |
| Temperature (Gaia) | 6,828 K |
| Size (Gaia) | 2.50 x the Sun |
| Mass (Gaia) | 1.70 x the Sun |
| Luminosity (Gaia) | 12.25 x the Sun |
| Colour, Gaia BP-RP | 1.31 |
| RUWE (Gaia) | 4.95 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 24 km/s - likely an orbiting pair |
| Gaia G mag | 11.66 |
| TESS mag | 10.98 |
Names & neighbours
| TIC ID | 408557173 |
| Gaia DR3 ID | 174684055166809088 |
| SIMBAD name | TYC 2381-1336-1 [*] |
| Nearest known variable | Gaia DR3 174707999608209024 (S), 254" away |
| RA (deg) | 69.7208 |
| Dec (deg) | 35.4656 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-11 |
| Last update | 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
- TIC408557173_s0019.fits 73 KB
- TIC408557173_s0019.png 40 KB
- thumb.png 24 KB
- meta.json
