TIC 253923749
Eclipsing binaryProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 7497-704-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 28 (flagged in 2 sector(s)). Detection score 818.8.
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) | 1.41348 |
| Period source | hunt.py on TESS QLP sector 28 |
| Eclipse / dip depth | 6.0% |
| Amplitude | 2.3% |
| Data used | TESS sector 28 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 176 (~574 light years) |
| Temperature (Gaia) | 5,801 K |
| Size (Gaia) | 1.03 x the Sun |
| Mass (Gaia) | 1.00 x the Sun |
| Luminosity (Gaia) | 1.08 x the Sun |
| Colour, Gaia BP-RP | 0.91 |
| RUWE (Gaia) | 0.85 - fits a single star |
| Radial velocity (Gaia) | speed changes by 163 km/s - likely an orbiting pair |
| Gaia G mag | 11.04 |
| TESS mag | 10.59 |
Names & neighbours
| TIC ID | 253923749 |
| Gaia DR3 ID | 6602147242633661952 |
| SIMBAD name | TYC 7497-704-1 [SB*] |
| Nearest known variable | none within 5' |
| RA (deg) | 337.669 |
| Dec (deg) | -31.0657 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 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
- TIC253923749_s0028.fits 200 KB
- TIC253923749_s0028.png 51 KB
- thumb.png 50 KB
- meta.json
