TIC 434489737
Eclipsing binaryProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 6088-508-1) as type EB*, 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 797.1.
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 | Eclipsing binary |
| Status | Probably known |
| Period (days) | 1.83334 |
| Period source | hunt.py on TESS QLP sector 9 |
| Eclipse / dip depth | 8.9% |
| Amplitude | 4.6% |
| Data used | TESS sector 9 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 235 (~767 light years) |
| Temperature (Gaia) | 4,950 K |
| Size (Gaia) | 1.21 x the Sun |
| Luminosity (Gaia) | 0.78 x the Sun |
| Colour, Gaia BP-RP | 1.16 |
| RUWE (Gaia) | 1.14 - fits a single star |
| Radial velocity (Gaia) | speed changes by 155 km/s - likely an orbiting pair |
| Gaia G mag | 12.06 |
| TESS mag | 11.47 |
Names & neighbours
| TIC ID | 434489737 |
| Gaia DR3 ID | 3545233995176166400 |
| SIMBAD name | TYC 6088-508-1 [EB*] |
| Nearest known variable | none within 5' |
| RA (deg) | 172.539 |
| Dec (deg) | -19.4505 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 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
- TIC434489737_s0009.fits 73 KB
- TIC434489737_s0009.png 39 KB
- thumb.png 22 KB
- meta.json
