TIC 38400931
Eclipsing binaryNew candidate

Notes
Found automatically by hunt.py in TESS sector 31 (flagged in 2 sector(s)). Detection score 184.1.
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 27.6)
2026-10-12 Found by the automatic search in TESS sector 31
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 6.24315 |
| Period source | hunt.py on TESS QLP sector 31 |
| Eclipse / dip depth | 9.0% |
| Amplitude | 1.4% |
| Data used | TESS sector 31 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 148 (~481 light years) |
| Colour, Gaia BP-RP | 2.00 |
| RUWE (Gaia) | 27.59 - hints at a hidden companion star |
| Gaia G mag | 14.26 |
| TESS mag | 13.23 |
Names & neighbours
| TIC ID | 38400931 |
| Gaia DR3 ID | 5163547809399815424 |
| SIMBAD name | not in SIMBAD |
| Nearest known variable | none within 5' |
| RA (deg) | 54.1897 |
| Dec (deg) | -10.945 |
| 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
- TIC38400931_s0031.fits 200 KB
- TIC38400931_s0031.png 58 KB
- thumb.png 65 KB
- meta.json