TIC 55684105
Single dip / odd eventNew candidate

Notes
Found automatically by hunt.py in TESS sector 21 (flagged in 3 sector(s)). Detection score 111.5.
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:
2026-10-11 Gaia hints at a hidden companion star (RUWE 2.6)
2026-10-11 Found by the automatic search in TESS sector 21
The signal
| Type | Single dip / odd event |
| Status | New candidate |
| Period source | hunt.py on TESS QLP sector 21 |
| Amplitude | 0.2% |
| Data used | TESS sector 21 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 739 (~2,411 light years) |
| Temperature (Gaia) | 6,146 K |
| Size (Gaia) | 2.70 x the Sun |
| Mass (Gaia) | 1.54 x the Sun |
| Luminosity (Gaia) | 9.02 x the Sun |
| Colour, Gaia BP-RP | 0.68 |
| RUWE (Gaia) | 2.56 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 22 km/s - likely an orbiting pair |
| Gaia G mag | 11.54 |
| TESS mag | 11.19 |
Names & neighbours
| TIC ID | 55684105 |
| Gaia DR3 ID | 842076343231288832 |
| SIMBAD name | TYC 3836-551-1 [*] |
| Nearest known variable | none within 5' |
| RA (deg) | 179.496 |
| Dec (deg) | 56.6236 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-11 |
| Last update | 2026-10-11 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC55684105_s0021.fits 79 KB
- TIC55684105_s0021.png 41 KB
- thumb.png 36 KB
- meta.json