TIC 138659609
Single dip / odd eventNew candidate

Notes
Found automatically by hunt.py in TESS sector 21 (flagged in 1 sector(s)). Detection score 130.0.
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.
The signal
| Type | Single dip / odd event |
| Status | New candidate |
| Period source | hunt.py on TESS QLP sector 21 |
| Amplitude | 1.0% |
| Data used | TESS sector 21 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 992 (~3,237 light years) |
| Temperature (Gaia) | 6,050 K |
| Size (Gaia) | 2.11 x the Sun |
| Mass (Gaia) | 1.38 x the Sun |
| Luminosity (Gaia) | 5.38 x the Sun |
| Colour, Gaia BP-RP | 0.70 |
| RUWE (Gaia) | 1.19 - fits a single star |
| Gaia G mag | 12.78 |
| TESS mag | 12.43 |
Names & neighbours
| TIC ID | 138659609 |
| Gaia DR3 ID | 692193082796797824 |
| SIMBAD name | UCAC4 587-044001 [*] |
| Nearest known variable | CSS_J090456.4+271305 (EW, P = 0.49185 d), 163" away |
| RA (deg) | 136.217 |
| Dec (deg) | 27.2606 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-11 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC138659609_s0021.fits 79 KB
- TIC138659609_s0021.png 40 KB
- thumb.png 37 KB
- meta.json