TIC 188816565
Eclipsing binaryNew candidate
Rare & notable finds
Nothing rare: all 10 checks came back clear. What was checked →
Checked, nothing found (9)
Microlensing (rogue planet?) · Exocomet-shaped dip · Eclipse timing (third body?) · Eclipses changing depth · Pulsating star in an eclipsing binary · Extra dips outside the eclipses · Heartbeat star · Self-lensing binary · Type of star
Checked 2026-10-11 19:14 on NVIDIA GeForce RTX 4070, using every TESS sector of this star. All results (.json)
Notes
Found automatically by hunt.py in TESS sector 24 (flagged in 3 sector(s)). Detection score 1352.8.
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 | New candidate |
| Period (days) | 2.52275 |
| Period source | hunt.py on TESS QLP sector 24 |
| Eclipse / dip depth | 7.2% |
| Amplitude | 6.3% |
| Data used | TESS sector 24 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 332 (~1,081 light years) |
| Temperature (Gaia) | 5,913 K |
| Size (Gaia) | 1.66 x the Sun |
| Mass (Gaia) | 1.12 x the Sun |
| Luminosity (Gaia) | 3.03 x the Sun |
| Colour, Gaia BP-RP | 0.73 |
| RUWE (Gaia) | 0.88 - fits a single star |
| Gaia G mag | 11.05 |
| TESS mag | 10.66 |
Names & neighbours
| TIC ID | 188816565 |
| Gaia DR3 ID | 1414894447872055040 |
| SIMBAD name | TYC 3521-445-1 [*] |
| Nearest known variable | none within 5' |
| RA (deg) | 262.417 |
| Dec (deg) | 51.3152 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-10 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC188816565_s0017.fits 70 KB
- TIC188816565_s0017.png 41 KB
- TIC188816565_s0024.fits 76 KB
- TIC188816565_s0024.png 42 KB
- rare_check.json 10 KB
- thumb.png 35 KB
- meta.json
