TIC 86177657
Eclipsing binaryNew candidate
Notes
Found automatically by hunt.py in TESS sector 21 (flagged in 2 sector(s)). Detection score 347.4.
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 | New candidate |
| Period (days) | 3.43809 |
| Period source | hunt.py on TESS QLP sector 21 |
| Eclipse / dip depth | 4.9% |
| Amplitude | 0.5% |
| Data used | TESS sector 21 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 345 (~1,126 light years) |
| Temperature (Gaia) | 5,743 K |
| Size (Gaia) | 1.03 x the Sun |
| Mass (Gaia) | 0.97 x the Sun |
| Luminosity (Gaia) | 1.04 x the Sun |
| Colour, Gaia BP-RP | 0.86 |
| RUWE (Gaia) | 1.06 - fits a single star |
| Radial velocity (Gaia) | speed changes by 83 km/s - likely an orbiting pair |
| Gaia G mag | 12.43 |
| TESS mag | 11.99 |
Names & neighbours
| TIC ID | 86177657 |
| Gaia DR3 ID | 1039412597079679104 |
| SIMBAD name | UCAC4 753-046557 [*] |
| Nearest known variable | none within 5' |
| RA (deg) | 138.777 |
| Dec (deg) | 60.5634 |
| 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
- TIC86177657_s0021.fits 79 KB
- TIC86177657_s0021.png 39 KB
- thumb.png 36 KB
- meta.json
