TIC 280322253
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 4316-146-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 19 (flagged in 3 sector(s)). Detection score 729.1.
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 4.0)
2026-10-10 Found by the automatic search in TESS sector 18
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 19 |
| Amplitude | 0.4% |
| Data used | TESS sector 19 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 779 (~2,540 light years) |
| Colour, Gaia BP-RP | 0.71 |
| RUWE (Gaia) | 3.95 - hints at a hidden companion star |
| Gaia G mag | 10.68 |
| TESS mag | 10.35 |
Names & neighbours
| TIC ID | 280322253 |
| Gaia DR3 ID | 545499196358303616 |
| SIMBAD name | TYC 4316-146-1 [SB*] |
| Nearest known variable | Gaia DR3 542498216808563456 (VAR, P = 0.018393 d), 150" away |
| RA (deg) | 41.6792 |
| Dec (deg) | 70.9805 |
| 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
- TIC280322253_s0018.fits 70 KB
- TIC280322253_s0018.png 35 KB
- TIC280322253_s0019.fits 73 KB
- TIC280322253_s0019.png 34 KB
- thumb.png 29 KB
- meta.json
