TIC 138901024
Transit candidateProbably known
Notes
NOTE: SIMBAD already lists this star (UCAC4 476-011890) as type EB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 32 (flagged in 2 sector(s)). Detection score 200.7.
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 5.2)
2026-10-12 Found by the automatic search in TESS sector 32
The signal
| Type | Transit candidate |
| Status | Probably known |
| Period (days) | 3.21541 |
| Period source | hunt.py on TESS QLP sector 32 |
| Eclipse / dip depth | 2.7% |
| Amplitude | 0.6% |
| Data used | TESS sector 32 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 759 (~2,475 light years) |
| Temperature (Gaia) | 6,112 K |
| Size (Gaia) | 2.66 x the Sun |
| Mass (Gaia) | 1.54 x the Sun |
| Luminosity (Gaia) | 8.90 x the Sun |
| Colour, Gaia BP-RP | 0.98 |
| RUWE (Gaia) | 5.19 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 145 km/s - likely an orbiting pair |
| Gaia G mag | 12.30 |
| TESS mag | 11.8 |
Names & neighbours
| TIC ID | 138901024 |
| Gaia DR3 ID | 3236846341071744384 |
| SIMBAD name | UCAC4 476-011890 [EB*] |
| Nearest known variable | Gaia DR3 3236852422745619328 (S), 298" away |
| RA (deg) | 82.8358 |
| Dec (deg) | 5.13786 |
| 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
- TIC138901024_s0032.fits 205 KB
- TIC138901024_s0032.png 62 KB
- thumb.png 79 KB
- meta.json
