TIC 158544874
Single dip / odd eventProbably known

Notes
NOTE: SIMBAD already lists this star (TYC 7212-2039-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 9 (flagged in 1 sector(s)). Detection score 1851.9.
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:
2026-10-03 Gaia hints at a hidden companion star (RUWE 2.8)
2026-10-03 Found by the automatic search in TESS sector 9
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 9 |
| Amplitude | 0.1% |
| Data used | TESS sector 9 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 254 (~830 light years) |
| Temperature (Gaia) | 5,734 K |
| Size (Gaia) | 1.90 x the Sun |
| Mass (Gaia) | 1.15 x the Sun |
| Luminosity (Gaia) | 3.53 x the Sun |
| Colour, Gaia BP-RP | 0.79 |
| RUWE (Gaia) | 2.78 - hints at a hidden companion star |
| Gaia G mag | 10.32 |
| TESS mag | 9.902 |
Names & neighbours
| TIC ID | 158544874 |
| Gaia DR3 ID | 5394954638651788288 |
| SIMBAD name | TYC 7212-2039-1 [SB*] |
| Nearest known variable | none within 5' |
| RA (deg) | 164.345 |
| Dec (deg) | -36.9773 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-03 |
| Last update | 2026-10-03 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC158544874_s0009.fits 73 KB
- TIC158544874_s0009.png 32 KB
- thumb.png 15 KB
- meta.json