TIC 52689683
Eclipsing binaryProbably known
Notes
NOTE: SIMBAD already lists this star (ATO J101.3872-34.0927) as type V*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 7 (flagged in 2 sector(s)). Detection score 405.9.
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:
2026-10-02 Gaia hints at a hidden companion star (RUWE 5.9)
2026-10-02 Found by the automatic search in TESS sector 7
The signal
| Type | Eclipsing binary |
| Status | Probably known |
| Period (days) | 3.86079 |
| Period source | hunt.py on TESS QLP sector 7 |
| Eclipse / dip depth | 11.1% |
| Amplitude | 1.3% |
| Data used | TESS sector 7 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 173 (~564 light years) |
| Colour, Gaia BP-RP | 1.67 |
| RUWE (Gaia) | 5.86 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 205 km/s - likely an orbiting pair |
| Gaia G mag | 13.47 |
| TESS mag | 12.43 |
Names & neighbours
| TIC ID | 52689683 |
| Gaia DR3 ID | 5582449026479699072 |
| SIMBAD name | ATO J101.3872-34.0927 [V*] |
| Nearest known variable | Gaia DR3 5582636669309055616 (ROT), 195" away |
| RA (deg) | 101.387 |
| Dec (deg) | -34.0928 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-02 |
| Last update | 2026-10-02 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC52689683_s0007.fits 70 KB
- TIC52689683_s0007.png 42 KB
- thumb.png 34 KB
- meta.json
