TIC 129861919
Periodic variableProbably known
Notes
NOTE: SIMBAD already lists this star (CD-38 1243) as type **, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 31 (flagged in 1 sector(s)). Detection score 75.5.
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 12.4)
2026-10-12 Found by the automatic search in TESS sector 31
The signal
| Type | Periodic variable |
| Status | Probably known |
| Period (days) | 0.350789 |
| Period source | hunt.py on TESS QLP sector 31 |
| Amplitude | 7.6% |
| Data used | TESS sector 31 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 526 (~1,715 light years) |
| Colour, Gaia BP-RP | 0.51 |
| RUWE (Gaia) | 12.45 - hints at a hidden companion star |
| Gaia G mag | 11.16 |
| TESS mag | 10.39 |
Names & neighbours
| TIC ID | 129861919 |
| Gaia DR3 ID | 4856254753480383744 |
| SIMBAD name | CD-38 1243 [**] |
| Nearest known variable | Gaia DR3 4856256338324587776 (ROT), 196" away |
| RA (deg) | 55.5502 |
| Dec (deg) | -38.4968 |
| 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
- TIC129861919_s0031.fits 200 KB
- TIC129861919_s0031.png 68 KB
- thumb.png 87 KB
- meta.json
