TIC 278802197
Eclipsing binaryNew candidate
Notes
Found automatically by hunt.py in TESS sector 28 (flagged in 2 sector(s)). Detection score 220.7.
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:
2026-10-12 Gaia hints at a hidden companion star (RUWE 5.7)
2026-10-12 Found by the automatic search in TESS sector 28
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 1.06196 |
| Period source | hunt.py on TESS QLP sector 28 |
| Eclipse / dip depth | 1.7% |
| Amplitude | 2.0% |
| Data used | TESS sector 28 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 393 (~1,282 light years) |
| Temperature (Gaia) | 5,523 K |
| Size (Gaia) | 1.35 x the Sun |
| Mass (Gaia) | 0.93 x the Sun |
| Luminosity (Gaia) | 1.53 x the Sun |
| Colour, Gaia BP-RP | 0.84 |
| RUWE (Gaia) | 5.68 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 24 km/s - likely an orbiting pair |
| Gaia G mag | 12.22 |
| TESS mag | 11.79 |
Names & neighbours
| TIC ID | 278802197 |
| Gaia DR3 ID | 6569592215163636096 |
| SIMBAD name | TYC 7999-451-1 [*] |
| Nearest known variable | Gaia DR3 6569571431819075072 (E, P = 0.22214 d), 255" away |
| RA (deg) | 336.015 |
| Dec (deg) | -40.9071 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-12 |
| Last update | 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
- TIC278802197_s0028.fits 200 KB
- TIC278802197_s0028.png 58 KB
- thumb.png 82 KB
- meta.json
