TIC 279909639
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 4803-337-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 6 (flagged in 1 sector(s)). Detection score 755.9.
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:
2026-10-02 Gaia hints at a hidden companion star (RUWE 2.8)
2026-10-02 Found by the automatic search in TESS sector 6
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 6 |
| Amplitude | 0.2% |
| Data used | TESS sector 6 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 452 (~1,475 light years) |
| Temperature (Gaia) | 5,850 K |
| Size (Gaia) | 1.79 x the Sun |
| Mass (Gaia) | 1.14 x the Sun |
| Luminosity (Gaia) | 3.38 x the Sun |
| Colour, Gaia BP-RP | 0.76 |
| RUWE (Gaia) | 2.84 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 88 km/s - likely an orbiting pair |
| Gaia G mag | 11.59 |
| TESS mag | 11.19 |
Names & neighbours
| TIC ID | 279909639 |
| Gaia DR3 ID | 3106604825079541504 |
| SIMBAD name | TYC 4803-337-1 [SB*] |
| Nearest known variable | ZTF J064220.40-022032.2 (BY, P = 1.0437 d), 141" away |
| RA (deg) | 100.62 |
| Dec (deg) | -2.32475 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-02 |
| Last update | 2026-10-02 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC279909639_s0006.fits 65 KB
- TIC279909639_s0006.png 36 KB
- thumb.png 25 KB
- meta.json
