TIC 219845453
Single dip / odd eventNew candidate
Notes
Found automatically by hunt.py in TESS sector 21 (flagged in 6 sector(s)). Detection score 380.7.
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:
2026-10-10 Gaia hints at a hidden companion star (RUWE 1.6)
2026-10-10 Found by the automatic search in TESS sector 17
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) | 457 (~1,490 light years) |
| Temperature (Gaia) | 5,964 K |
| Size (Gaia) | 2.06 x the Sun |
| Mass (Gaia) | 1.25 x the Sun |
| Luminosity (Gaia) | 4.82 x the Sun |
| Colour, Gaia BP-RP | 0.72 |
| RUWE (Gaia) | 1.58 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 38 km/s - likely an orbiting pair |
| Gaia G mag | 11.22 |
| TESS mag | 10.83 |
Names & neighbours
| TIC ID | 219845453 |
| Gaia DR3 ID | 1635498124408231808 |
| SIMBAD name | TYC 4197-216-1 [*] |
| Nearest known variable | Gaia DR3 1635499395717845248 (ROT), 181" away |
| RA (deg) | 255.039 |
| Dec (deg) | 66.0736 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-10 |
| Last update | 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
- TIC219845453_s0017.fits 70 KB
- TIC219845453_s0017.png 39 KB
- TIC219845453_s0021.fits 79 KB
- TIC219845453_s0021.png 39 KB
- thumb.png 26 KB
- meta.json
