TIC 198491177
Eclipsing binaryNew candidate
Notes
Found automatically by hunt.py in TESS sector 20 (flagged in 3 sector(s)). Detection score 419.6.
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:
2026-10-09 Gaia hints at a hidden companion star (RUWE 8.0)
2026-10-09 Found by the automatic search in TESS sector 14
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 2.28909 |
| Period source | hunt.py on TESS QLP sector 20 |
| Eclipse / dip depth | 9.4% |
| Amplitude | 7.6% |
| Data used | TESS sector 20 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 744 (~2,426 light years) |
| Temperature (Gaia) | 5,846 K |
| Size (Gaia) | 1.28 x the Sun |
| Mass (Gaia) | 1.02 x the Sun |
| Luminosity (Gaia) | 1.75 x the Sun |
| Colour, Gaia BP-RP | 0.82 |
| RUWE (Gaia) | 8.04 - hints at a hidden companion star |
| Gaia G mag | 13.51 |
| TESS mag | 13.06 |
Names & neighbours
| TIC ID | 198491177 |
| Gaia DR3 ID | 1688672259072160384 |
| SIMBAD name | not in SIMBAD |
| Nearest known variable | none within 5' |
| RA (deg) | 196.912 |
| Dec (deg) | 74.1321 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-09 |
| Last update | 2026-10-09 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC198491177_s0014.fits 79 KB
- TIC198491177_s0014.png 41 KB
- TIC198491177_s0015.fits 76 KB
- TIC198491177_s0015.png 41 KB
- TIC198491177_s0020.fits 76 KB
- TIC198491177_s0020.png 39 KB
- thumb.png 40 KB
- meta.json
