TIC 31164923
Eclipsing binaryNew candidate
Notes
Found automatically by hunt.py in TESS sector 27 (flagged in 2 sector(s)). Detection score 113.3.
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:
2026-10-12 Gaia hints at a hidden companion star (RUWE 2.6)
2026-10-12 Found by the automatic search in TESS sector 27
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 0.398982 |
| Period source | hunt.py on TESS QLP sector 27 |
| Eclipse / dip depth | 0.3% |
| Amplitude | 0.6% |
| Data used | TESS sector 27 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 3,977 (~12,971 light years) |
| Temperature (Gaia) | 4,087 K |
| Size (Gaia) | 42.94 x the Sun |
| Mass (Gaia) | 4.60 x the Sun |
| Luminosity (Gaia) | 764.77 x the Sun |
| Colour, Gaia BP-RP | 1.58 |
| RUWE (Gaia) | 2.58 - hints at a hidden companion star |
| Gaia G mag | 10.84 |
| TESS mag | 10.05 |
Names & neighbours
| TIC ID | 31164923 |
| Gaia DR3 ID | 6743569971552433664 |
| SIMBAD name | TYC 7431-425-1 [*] |
| Nearest known variable | Gaia DR3 6743569146918690944 (E, P = 3.6727 d), 113" away |
| RA (deg) | 288.269 |
| Dec (deg) | -34.5016 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-12 |
| Last update | 2026-10-12 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC31164923_s0027.fits 194 KB
- TIC31164923_s0027.png 71 KB
- thumb.png 131 KB
- meta.json
