TIC 89409450
Eclipsing binaryNew candidate

Notes
Found automatically by hunt.py in TESS sector 8 (flagged in 1 sector(s)). Detection score 274.3.
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:
2026-10-03 Gaia hints at a hidden companion star (RUWE 12.6)
2026-10-03 Found by the automatic search in TESS sector 8
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 1.60633 |
| Period source | hunt.py on TESS QLP sector 8 |
| Eclipse / dip depth | 4.2% |
| Amplitude | 4.4% |
| Data used | TESS sector 8 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 900 (~2,934 light years) |
| Temperature (Gaia) | 8,180 K |
| Size (Gaia) | 1.40 x the Sun |
| Mass (Gaia) | 1.75 x the Sun |
| Luminosity (Gaia) | 7.93 x the Sun |
| Colour, Gaia BP-RP | 0.61 |
| RUWE (Gaia) | 12.61 - hints at a hidden companion star |
| Gaia G mag | 12.94 |
| TESS mag | 12.62 |
Names & neighbours
| TIC ID | 89409450 |
| Gaia DR3 ID | 5319464644195491200 |
| SIMBAD name | not in SIMBAD |
| Nearest known variable | Gaia DR3 5319464678557388672 (E, P = 1.2938 d), 55" away |
| RA (deg) | 126.757 |
| Dec (deg) | -54.7989 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-03 |
| Last update | 2026-10-03 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC89409450_s0008.fits 62 KB
- TIC89409450_s0008.png 39 KB
- thumb.png 41 KB
- meta.json