TIC 356821385
Eclipsing binaryNew candidate
Notes
Found automatically by hunt.py in TESS sector 21 (flagged in 11 sector(s)). Detection score 144.7.
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.
Updates:
2026-10-11 Gaia hints at a hidden companion star (RUWE 6.6)
2026-10-11 Found by the automatic search in TESS sector 21
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 4.68079 |
| Period source | hunt.py on TESS QLP sector 21 |
| Eclipse / dip depth | 2.5% |
| Amplitude | 0.3% |
| Data used | TESS sector 21 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 644 (~2,099 light years) |
| Temperature (Gaia) | 5,665 K |
| Size (Gaia) | 1.90 x the Sun |
| Mass (Gaia) | 1.13 x the Sun |
| Luminosity (Gaia) | 3.34 x the Sun |
| Colour, Gaia BP-RP | 0.87 |
| RUWE (Gaia) | 6.62 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 47 km/s - likely an orbiting pair |
| Gaia G mag | 12.53 |
| TESS mag | 12.03 |
Names & neighbours
| TIC ID | 356821385 |
| Gaia DR3 ID | 1655826853157434624 |
| SIMBAD name | TYC 4569-2040-1 [*] |
| Nearest known variable | Gaia DR3 1655839772419276160 (S), 230" away |
| RA (deg) | 269.22 |
| Dec (deg) | 75.3825 |
| 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
- TIC356821385_s0021.fits 79 KB
- TIC356821385_s0021.png 40 KB
- thumb.png 50 KB
- meta.json
