TIC 103657171
Single dip / odd eventNew candidate
Notes
Found automatically by hunt.py in TESS sector 20 (flagged in 3 sector(s)). Detection score 450.5.
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:
2026-10-09 Gaia hints at a hidden companion star (RUWE 5.4)
2026-10-09 Found by the automatic search in TESS sector 14
The signal
| Type | Single dip / odd event |
| Status | New candidate |
| Period source | hunt.py on TESS QLP sector 20 |
| Amplitude | 0.1% |
| Data used | TESS sector 20 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 188 (~613 light years) |
| Temperature (Gaia) | 5,745 K |
| Size (Gaia) | 1.94 x the Sun |
| Mass (Gaia) | 1.16 x the Sun |
| Luminosity (Gaia) | 3.69 x the Sun |
| Colour, Gaia BP-RP | 0.85 |
| RUWE (Gaia) | 5.40 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 85 km/s - likely an orbiting pair |
| Gaia G mag | 9.72 |
| TESS mag | 9.259 |
Names & neighbours
| TIC ID | 103657171 |
| Gaia DR3 ID | 1077609841483145856 |
| SIMBAD name | TYC 4387-468-1 [PM*] |
| Nearest known variable | Gaia DR3 1077610872275746688 (ROT), 127" away |
| RA (deg) | 152.777 |
| Dec (deg) | 71.9057 |
| 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
- TIC103657171_s0014.fits 79 KB
- TIC103657171_s0014.png 39 KB
- TIC103657171_s0020.fits 76 KB
- TIC103657171_s0020.png 40 KB
- thumb.png 27 KB
- meta.json
