TIC 300559128
Eclipsing binaryProbably known
Notes
NOTE: SIMBAD already lists this star (UCAC4 101-019715) as type EB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 32 (flagged in 7 sector(s)). Detection score 315.9.
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.
The signal
| Type | Eclipsing binary |
| Status | Probably known |
| Period (days) | 4.17342 |
| Period source | hunt.py on TESS QLP sector 32 |
| Eclipse / dip depth | 3.1% |
| Amplitude | 0.8% |
| Data used | TESS sector 32 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 467 (~1,522 light years) |
| Temperature (Gaia) | 6,282 K |
| Size (Gaia) | 2.04 x the Sun |
| Mass (Gaia) | 1.42 x the Sun |
| Luminosity (Gaia) | 5.82 x the Sun |
| Colour, Gaia BP-RP | 0.84 |
| RUWE (Gaia) | 0.91 - fits a single star |
| Radial velocity (Gaia) | speed changes by 121 km/s - likely an orbiting pair |
| Gaia G mag | 11.52 |
| TESS mag | 11.07 |
Names & neighbours
| TIC ID | 300559128 |
| Gaia DR3 ID | 5267592846686912128 |
| SIMBAD name | UCAC4 101-019715 [EB*] |
| Nearest known variable | Gaia DR3 5267591880318518144 (E, P = 0.25121 d), 201" away |
| RA (deg) | 112.836 |
| Dec (deg) | -69.834 |
| 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
- TIC300559128_s0032.fits 205 KB
- TIC300559128_s0032.png 57 KB
- thumb.png 58 KB
- meta.json
