TIC 403217620
Eclipsing binaryProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 3657-1209-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 24 (flagged in 1 sector(s)). Detection score 836.5.
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 | Eclipsing binary |
| Status | Probably known |
| Period (days) | 2.05417 |
| Period source | hunt.py on TESS QLP sector 24 |
| Eclipse / dip depth | 3.0% |
| Amplitude | 2.6% |
| Data used | TESS sector 24 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 299 (~974 light years) |
| Temperature (Gaia) | 6,683 K |
| Size (Gaia) | 1.98 x the Sun |
| Mass (Gaia) | 1.50 x the Sun |
| Luminosity (Gaia) | 7.07 x the Sun |
| Colour, Gaia BP-RP | 0.60 |
| RUWE (Gaia) | 0.99 - fits a single star |
| Radial velocity (Gaia) | speed changes by 172 km/s - likely an orbiting pair |
| Gaia G mag | 10.07 |
| TESS mag | 9.746 |
Names & neighbours
| TIC ID | 403217620 |
| Gaia DR3 ID | 419955687395090304 |
| SIMBAD name | TYC 3657-1209-1 [SB*] |
| Nearest known variable | Gaia DR3 419955549954969344 (ROT), 91" away |
| RA (deg) | 4.16404 |
| Dec (deg) | 55.7178 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 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
- TIC403217620_s0024.fits 76 KB
- TIC403217620_s0024.png 45 KB
- thumb.png 37 KB
- meta.json
